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27 Commits

Author SHA1 Message Date
ac6265eae7 address egui deprecation warnings 2025-12-13 03:41:10 -05:00
c70c715126 cleanup 2025-12-13 03:38:04 -05:00
f2d0d27345 parsing: improve function handling 2025-12-13 03:33:20 -05:00
41b50eb893 remove decompress font cache 2025-12-05 23:54:31 -05:00
e497987573 fix target wasm cfg 2025-12-05 23:50:24 -05:00
65ab0c6a1f FunctionEntry: make newtons_method threshold smaller (fixes symbolicrepr) + prioritize special points 2025-12-05 22:37:05 -05:00
f6a09fe449 start to integrate symbolic points 2025-12-05 21:05:15 -05:00
b08a727fe3 remove some unwrap_unchecked 2025-12-05 20:42:24 -05:00
5480522ddb cargo fmt 2025-12-05 20:38:41 -05:00
07858b229f parsing: remove unused code from FlatExWrapper 2025-12-05 20:38:31 -05:00
3288752dfb parser: simplify BoolSlice logic with descriptive helper methods 2025-12-05 20:38:23 -05:00
3305227ffe refactor: simplify Newton's method helper by extracting data source selection 2025-12-05 20:38:17 -05:00
df05601e26 fix: correct typo nth_derviative -> nth_derivative 2025-12-05 20:38:11 -05:00
48fd49e386 deduplicate declarations in main.rs and lib.rs 2025-12-05 20:37:53 -05:00
c7760e2123 FunctionEntry: generate_plot_data helper 2025-12-05 20:37:36 -05:00
2d7c987f11 math_app: extract toggle_button helper to reduce UI code duplication 2025-12-05 20:37:24 -05:00
dab002bd15 remove old messages 2025-12-05 14:11:09 -05:00
f9480fac7c don't rebuild on new commit 2025-12-05 14:06:58 -05:00
44fea82aaa font subsetting: pyftsubset -> allsorts 2025-12-05 14:06:47 -05:00
e9b8433117 removed hashed_storage test 2025-12-05 13:52:40 -05:00
957c286e59 cleanup + remove Instant + remove Info window 2025-12-05 13:50:55 -05:00
63bd73e444 cleanup 2025-12-05 13:13:03 -05:00
c9eff77dff parsing: cargo upgrade 2025-12-05 12:41:32 -05:00
9677e8f8b4 symbolic: init 2025-12-05 12:17:18 -05:00
8a5d9f1cd5 delete shell.nix 2025-12-05 12:02:22 -05:00
53d90b7328 FunctionManager: create new() 2025-12-05 11:56:46 -05:00
b59f214c67 enable wayland by default 2025-12-05 11:56:34 -05:00
21 changed files with 1277 additions and 913 deletions

477
Cargo.lock generated
View File

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name = "proc-macro-error"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
dependencies = [
"proc-macro-error-attr",
"proc-macro2",
"quote",
"syn 1.0.109",
"version_check",
]
[[package]]
name = "proc-macro-error-attr"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
dependencies = [
"proc-macro2",
"quote",
"version_check",
]
[[package]] [[package]]
name = "proc-macro2" name = "proc-macro2"
version = "1.0.103" version = "1.0.103"
@@ -2423,50 +2461,6 @@ version = "5.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f" checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
[[package]]
name = "rand"
version = "0.8.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
dependencies = [
"rand_core 0.6.4",
]
[[package]]
name = "rand"
version = "0.9.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
dependencies = [
"rand_chacha",
"rand_core 0.9.3",
]
[[package]]
name = "rand_chacha"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
dependencies = [
"ppv-lite86",
"rand_core 0.9.3",
]
[[package]]
name = "rand_core"
version = "0.6.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
[[package]]
name = "rand_core"
version = "0.9.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
dependencies = [
"getrandom",
]
[[package]] [[package]]
name = "raw-window-handle" name = "raw-window-handle"
version = "0.6.2" version = "0.6.2"
@@ -2555,15 +2549,6 @@ dependencies = [
"bytemuck", "bytemuck",
] ]
[[package]]
name = "run_script"
version = "0.11.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e8f982753d06bafa2d1e5c1bd5be496bcb3cd02919a89f07e7f21c7a6ecb4e1a"
dependencies = [
"fsio",
]
[[package]] [[package]]
name = "rustc-demangle" name = "rustc-demangle"
version = "0.1.26" version = "0.1.26"
@@ -2582,6 +2567,15 @@ version = "2.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d" checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
[[package]]
name = "rustc_version"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
dependencies = [
"semver",
]
[[package]] [[package]]
name = "rustix" name = "rustix"
version = "0.38.44" version = "0.38.44"
@@ -2650,6 +2644,12 @@ version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49" checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
[[package]]
name = "semver"
version = "1.0.27"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
[[package]] [[package]]
name = "serde" name = "serde"
version = "1.0.228" version = "1.0.228"
@@ -2687,7 +2687,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
] ]
[[package]] [[package]]
@@ -2886,6 +2886,16 @@ dependencies = [
"symbolic-common", "symbolic-common",
] ]
[[package]]
name = "syn"
version = "1.0.109"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
dependencies = [
"proc-macro2",
"unicode-ident",
]
[[package]] [[package]]
name = "syn" name = "syn"
version = "2.0.111" version = "2.0.111"
@@ -2905,7 +2915,7 @@ checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
] ]
[[package]] [[package]]
@@ -2956,7 +2966,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
] ]
[[package]] [[package]]
@@ -2967,7 +2977,7 @@ checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
] ]
[[package]] [[package]]
@@ -3046,6 +3056,21 @@ dependencies = [
"serde_json", "serde_json",
] ]
[[package]]
name = "tinyvec"
version = "1.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bfa5fdc3bce6191a1dbc8c02d5c8bffcf557bafa17c124c5264a458f1b0613fa"
dependencies = [
"tinyvec_macros",
]
[[package]]
name = "tinyvec_macros"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
[[package]] [[package]]
name = "toml_datetime" name = "toml_datetime"
version = "0.7.3" version = "0.7.3"
@@ -3096,7 +3121,7 @@ checksum = "7490cfa5ec963746568740651ac6781f701c9c5ea257c58e057f3ba8cf69e8da"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
] ]
[[package]] [[package]]
@@ -3198,12 +3223,30 @@ version = "0.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2896d95c02a80c6d6a5d6e953d479f5ddf2dfdb6a244441010e373ac0fb88971" checksum = "2896d95c02a80c6d6a5d6e953d479f5ddf2dfdb6a244441010e373ac0fb88971"
[[package]]
name = "unicode-canonical-combining-class"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6925586af9268182c711e47c0853ed84131049efaca41776d0ca97f983865c32"
[[package]]
name = "unicode-general-category"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2281c8c1d221438e373249e065ca4989c4c36952c211ff21a0ee91c44a3869e7"
[[package]] [[package]]
name = "unicode-ident" name = "unicode-ident"
version = "1.0.22" version = "1.0.22"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5" checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
[[package]]
name = "unicode-joining-type"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "22f8cb47ccb8bc750808755af3071da4a10dcd147b68fc874b7ae4b12543f6f5"
[[package]] [[package]]
name = "unicode-segmentation" name = "unicode-segmentation"
version = "1.12.0" version = "1.12.0"
@@ -3312,7 +3355,7 @@ dependencies = [
"log", "log",
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]
@@ -3347,7 +3390,7 @@ checksum = "9f07d2f20d4da7b26400c9f4a0511e6e0345b040694e8a75bd41d578fa4421d7"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
"wasm-bindgen-backend", "wasm-bindgen-backend",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]
@@ -3686,7 +3729,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
] ]
[[package]] [[package]]
@@ -3697,7 +3740,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
] ]
[[package]] [[package]]
@@ -4090,7 +4133,7 @@ checksum = "b659052874eb698efe5b9e8cf382204678a0086ebf46982b79d6ca3182927e5d"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
"synstructure", "synstructure",
] ]
@@ -4098,22 +4141,18 @@ dependencies = [
name = "ytbn_graphing_software" name = "ytbn_graphing_software"
version = "0.1.0" version = "0.1.0"
dependencies = [ dependencies = [
"allsorts",
"base64", "base64",
"benchmarks", "benchmarks",
"bincode", "bincode",
"cfg-if",
"const_format",
"eframe", "eframe",
"egui", "egui",
"egui_plot", "egui_plot",
"emath", "emath",
"epaint", "epaint",
"instant",
"itertools 0.14.0", "itertools 0.14.0",
"json5",
"lol_alloc", "lol_alloc",
"parsing", "parsing",
"run_script",
"ruzstd", "ruzstd",
"serde", "serde",
"serde_json", "serde_json",
@@ -4145,7 +4184,7 @@ checksum = "d8a8d209fdf45cf5138cbb5a506f6b52522a25afccc534d1475dad8e31105c6a"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
] ]
[[package]] [[package]]
@@ -4165,7 +4204,7 @@ checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
"synstructure", "synstructure",
] ]
@@ -4199,7 +4238,7 @@ checksum = "eadce39539ca5cb3985590102671f2567e659fca9666581ad3411d59207951f3"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 2.0.111",
] ]
[[package]] [[package]]

View File

@@ -10,7 +10,7 @@ description = "Crossplatform (and web-compatible) graphing calculator"
crate-type = ["cdylib", "rlib"] crate-type = ["cdylib", "rlib"]
[features] [features]
wayland-native = ["eframe/wayland"] default = ["eframe/wayland"]
[profile.release] [profile.release]
debug = false debug = false
@@ -48,10 +48,6 @@ epaint = { git = "https://github.com/titaniumtown/egui.git", default-features =
emath = { git = "https://github.com/titaniumtown/egui.git", default-features = false } emath = { git = "https://github.com/titaniumtown/egui.git", default-features = false }
egui_plot = { version = "0.34.0", default-features = false } egui_plot = { version = "0.34.0", default-features = false }
shadow-rs = { version = "1.4", default-features = false }
const_format = { version = "0.2", default-features = false, features = ["fmt"] }
cfg-if = "1"
ruzstd = "0.8" ruzstd = "0.8"
tracing = "0.1" tracing = "0.1"
itertools = "0.14" itertools = "0.14"
@@ -75,16 +71,13 @@ bincode = "1.3"
serde = "1" serde = "1"
serde_json = "1" serde_json = "1"
zstd = { version = "0.13", default-features = false, features = ["pkg-config"] } zstd = { version = "0.13", default-features = false, features = ["pkg-config"] }
run_script = "0.11"
json5 = "1.0"
itertools = "0.14" itertools = "0.14"
allsorts = "0.15"
[target.'cfg(not(target_arch = "wasm32"))'.dependencies] [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
instant = "0.1"
tracing-subscriber = "0.3" tracing-subscriber = "0.3"
[target.'cfg(target_arch = "wasm32")'.dependencies] [target.'cfg(target_arch = "wasm32")'.dependencies]
instant = { version = "0.1", features = ["wasm-bindgen"] }
lol_alloc = "0.4.1" lol_alloc = "0.4.1"
wasm-bindgen = { version = "0.2", default-features = false, features = ["std"] } wasm-bindgen = { version = "0.2", default-features = false, features = ["std"] }
web-sys = "0.3" web-sys = "0.3"

103
build.rs
View File

@@ -1,3 +1,14 @@
use allsorts::{
binary::read::ReadScope,
font::{Font, MatchingPresentation},
font_data::FontData as AllsortsFontData,
subset::subset,
tag,
};
use epaint::{
FontFamily,
text::{FontData, FontDefinitions, FontTweak},
};
use std::{ use std::{
collections::BTreeMap, collections::BTreeMap,
env, env,
@@ -7,75 +18,55 @@ use std::{
sync::Arc, sync::Arc,
}; };
use epaint::{
FontFamily,
text::{FontData, FontDefinitions, FontTweak},
};
use run_script::ScriptOptions;
use shadow_rs::ShadowBuilder;
include!(concat!( include!(concat!(
env!("CARGO_MANIFEST_DIR"), env!("CARGO_MANIFEST_DIR"),
"/src/unicode_helper.rs" "/src/unicode_helper.rs"
)); ));
fn font_stripper(from: &str, out: &str, unicodes: Vec<char>) -> Result<Vec<u8>, String> { fn font_stripper(from: &str, out: &str, unicodes: Vec<char>) -> Result<Vec<u8>, String> {
let unicodes: Vec<String> = unicodes.iter().map(|c| to_unicode_hash(*c)).collect(); let font_path = format!("{}/assets/{}", env!("CARGO_MANIFEST_DIR"), from);
let font_data = std::fs::read(&font_path).map_err(|e| e.to_string())?;
let scope = ReadScope::new(&font_data);
let font_file = scope
.read::<AllsortsFontData>()
.map_err(|e| format!("Failed to read font data: {}", e))?;
let provider = font_file
.table_provider(0)
.map_err(|e| format!("Failed to get table provider: {}", e))?;
let mut font = Font::new(provider).map_err(|e| format!("Failed to create font: {:?}", e))?;
let mut glyph_ids = Vec::new();
for &ch in &unicodes {
let mut glyph_ids_curr = font
.map_glyphs(
&ch.to_string(),
tag::LATN,
MatchingPresentation::NotRequired,
)
.into_iter()
.map(|glyph| glyph.glyph_index)
.collect();
glyph_ids.append(&mut glyph_ids_curr);
}
// Include .notdef glyph
glyph_ids.push(0);
glyph_ids.sort();
glyph_ids.dedup();
let subset_data = subset(&font.font_table_provider, &glyph_ids)
.map_err(|e| format!("Failed to subset font: {}", e))?;
let new_path = [&env::var("OUT_DIR").unwrap(), out].concat(); let new_path = [&env::var("OUT_DIR").unwrap(), out].concat();
let unicodes_formatted = unicodes std::fs::write(&new_path, &subset_data)
.iter() .map_err(|e| format!("Failed to write subset font: {}", e))?;
.map(|u| format!("U+{}", u))
.collect::<Vec<String>>()
.join(",");
// Test to see if pyftsubset is found Ok(subset_data)
let pyftsubset_detect = run_script::run("whereis pyftsubset", &(vec![]), &ScriptOptions::new());
match pyftsubset_detect {
Ok((_i, s1, _s2)) => {
if s1 == "pyftsubset: " {
return Err(String::from("pyftsubset not found"));
}
}
// It was not, return an error and abort
Err(x) => return Err(x.to_string()),
}
let script_result = run_script::run(
&format!(
"pyftsubset {}/assets/{} --unicodes={}
mv {}/assets/{} {}",
env!("CARGO_MANIFEST_DIR"),
from,
unicodes_formatted,
env!("CARGO_MANIFEST_DIR"),
from.replace(".ttf", ".subset.ttf"),
new_path
),
&(vec![]),
&ScriptOptions::new(),
);
if let Ok((_, _, error)) = script_result {
if error.is_empty() {
return Ok(std::fs::read(new_path).unwrap());
} else {
return Err(error);
}
} else if let Err(error) = script_result {
return Err(error.to_string());
}
unreachable!()
} }
fn main() { fn main() {
// rebuild if new commit or contents of `assets` folder changed // rebuild if contents of `assets` folder changed
println!("cargo:rerun-if-changed=.git/logs/HEAD");
println!("cargo:rerun-if-changed=assets/*"); println!("cargo:rerun-if-changed=assets/*");
ShadowBuilder::builder()
.build()
.expect("Could not initialize shadow_rs");
let mut main_chars: Vec<char> = let mut main_chars: Vec<char> =
b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzsu0123456789?.,!(){}[]-_=+-/<>'\\ :^*`@#$%&|~;" b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzsu0123456789?.,!(){}[]-_=+-/<>'\\ :^*`@#$%&|~;"

View File

@@ -77,7 +77,7 @@
'' ''
runHook preCheck runHook preCheck
export LD_LIBRARY_PATH="${libPath}:$LD_LIBRARY_PATH" export LD_LIBRARY_PATH="${libPath}:$LD_LIBRARY_PATH"
cargo test --workspace --features wayland-native cargo test --workspace
runHook postCheck runHook postCheck
''; '';
@@ -169,7 +169,6 @@
rustToolchain rustToolchain
wasm-bindgen-cli wasm-bindgen-cli
binaryen binaryen
python3Packages.fonttools
rust-analyzer rust-analyzer
pkg-config pkg-config
clang clang

View File

@@ -10,11 +10,11 @@ description = "Parsing library for YTBN-Graphing-Software"
[lib] [lib]
[dependencies] [dependencies]
phf = { version = "0.11" } phf = { version = "0.13" }
exmex = {version = "0.17.5", features = ["partial"]} exmex = {version = "0.20.5", features = ["partial"]}
[build-dependencies] [build-dependencies]
phf_codegen = { version = "0.11" } phf_codegen = { version = "0.13" }
[package.metadata.cargo-all-features] [package.metadata.cargo-all-features]
skip_optional_dependencies = true #don't test optional dependencies, only features skip_optional_dependencies = true #don't test optional dependencies, only features

View File

@@ -4,21 +4,14 @@ use std::collections::HashMap;
#[derive(Clone, PartialEq)] #[derive(Clone, PartialEq)]
pub struct FlatExWrapper { pub struct FlatExWrapper {
func: Option<FlatEx<f64>>, func: Option<FlatEx<f64>>,
func_str: Option<String>,
} }
impl FlatExWrapper { impl FlatExWrapper {
const EMPTY: FlatExWrapper = FlatExWrapper { const EMPTY: FlatExWrapper = FlatExWrapper { func: None };
func: None,
func_str: None,
};
#[inline] #[inline]
const fn new(f: FlatEx<f64>) -> Self { const fn new(f: FlatEx<f64>) -> Self {
Self { Self { func: Some(f) }
func: Some(f),
func_str: None,
}
} }
#[inline] #[inline]
@@ -34,26 +27,6 @@ impl FlatExWrapper {
.unwrap_or(f64::NAN) .unwrap_or(f64::NAN)
} }
#[inline]
fn partial(&self, x: usize) -> Self {
self.func
.as_ref()
.map(|f| f.clone().partial(x).map(Self::new).unwrap_or(Self::EMPTY))
.unwrap_or(Self::EMPTY)
}
#[inline]
fn get_string(&mut self) -> String {
match self.func_str {
Some(ref func_str) => func_str.clone(),
None => {
let calculated = self.func.as_ref().map(|f| f.unparse()).unwrap_or("");
self.func_str = Some(calculated.to_owned());
calculated.to_owned()
}
}
}
#[inline] #[inline]
fn partial_iter(&self, n: usize) -> Self { fn partial_iter(&self, n: usize) -> Self {
self.func self.func
@@ -165,18 +138,6 @@ impl BackingFunction {
} }
} }
fn prettyify_function_str(func: &str) -> String {
let new_str = func.replace("{x}", "x");
if &new_str == "0/0" {
"Undefined".to_owned()
} else {
new_str
}
}
// pub const VALID_VARIABLES: [char; 3] = ['x', 'e', 'π'];
/// Case insensitive checks for if `c` is a character used to represent a variable /// Case insensitive checks for if `c` is a character used to represent a variable
#[inline] #[inline]
pub const fn is_variable(c: &char) -> bool { pub const fn is_variable(c: &char) -> bool {

View File

@@ -1,17 +1,61 @@
use crate::parsing::is_variable; use crate::parsing::is_variable;
use crate::SUPPORTED_FUNCTIONS;
/// Protect function names that start with variable characters (like 'e' in 'exp')
/// by replacing them with a placeholder during parsing, then restoring them after.
/// This prevents incorrect splitting like "exp" -> "e" * "xp".
fn protect_function_names(input: &str) -> (String, Vec<(&'static str, String)>) {
let mut result = input.to_string();
let mut replacements = Vec::new();
// Only protect functions that start with a variable character
// Sort by length descending to replace longer matches first (e.g., "exp" before "e")
let mut funcs: Vec<&'static str> = SUPPORTED_FUNCTIONS
.iter()
.filter(|&&func| {
func.chars()
.next()
.map(|c| is_variable(&c))
.unwrap_or(false)
})
.copied()
.collect();
funcs.sort_by(|a, b| b.len().cmp(&a.len()));
for func in funcs {
// Use a placeholder made of letters that will be treated as a function name
// The placeholder won't be split because it's all letters
let placeholder = format!("zzzfn{}", replacements.len());
result = result.replace(func, &placeholder);
replacements.push((func, placeholder));
}
(result, replacements)
}
/// Restore protected function names from their placeholders
fn restore_function_names(input: &str, replacements: &[(&'static str, String)]) -> String {
let mut result = input.to_string();
for (func, placeholder) in replacements {
result = result.replace(placeholder, func);
}
result
}
pub fn split_function(input: &str, split: SplitType) -> Vec<String> { pub fn split_function(input: &str, split: SplitType) -> Vec<String> {
// Protect function names that could be incorrectly split
let (protected, replacements) = protect_function_names(input);
split_function_chars( split_function_chars(
&input &protected
.replace("pi", "π") // replace "pi" text with pi symbol .replace("pi", "π") // replace "pi" text with pi symbol
.replace("**", "^") // support alternate manner of expressing exponents .replace("**", "^") // support alternate manner of expressing exponents
.replace("exp", "\u{1fc93}") // stop-gap solution to fix the `exp` function
.chars() .chars()
.collect::<Vec<char>>(), .collect::<Vec<char>>(),
split, split,
) )
.iter() .iter()
.map(|x| x.replace('\u{1fc93}', "exp")) // Convert back to `exp` text .map(|x| restore_function_names(x, &replacements))
.collect::<Vec<String>>() .collect::<Vec<String>>()
} }
@@ -62,46 +106,73 @@ impl BoolSlice {
self.number && !self.masked_num self.number && !self.masked_num
} }
/// Returns true if this char is a function name letter (not a standalone variable)
const fn is_function_letter(&self) -> bool {
self.letter && !self.is_unmasked_variable()
}
/// Returns true if this is a "term" - something that can be multiplied
const fn is_term(&self) -> bool {
self.is_unmasked_number() || self.is_unmasked_variable() || self.letter
}
const fn calculate_mask(&mut self, other: &BoolSlice) { const fn calculate_mask(&mut self, other: &BoolSlice) {
if other.masked_num && self.number { if other.masked_num && self.number {
// If previous char was a masked number, and current char is a number, mask current char's variable status // Propagate number masking through consecutive digits
self.masked_num = true; self.masked_num = true;
} else if other.masked_var && self.variable { } else if other.masked_var && self.variable {
// If previous char was a masked variable, and current char is a variable, mask current char's variable status // Propagate variable masking through consecutive variables
self.masked_var = true; self.masked_var = true;
} else if other.letter && !other.is_unmasked_variable() { } else if other.is_function_letter() {
// After a function letter, mask following numbers/variables as part of function name
self.masked_num = self.number; self.masked_num = self.number;
self.masked_var = self.variable; self.masked_var = self.variable;
} }
} }
const fn splitable(&self, c: &char, other: &BoolSlice, split: &SplitType) -> bool { /// Determines if we should split (insert implicit multiplication) before current char
if (*c == '*') | (matches!(split, &SplitType::Term) && other.open_parens) { const fn splitable(&self, c: &char, prev: &BoolSlice, split: &SplitType) -> bool {
true // Always split on explicit multiplication
} else if other.closing_parens { if *c == '*' {
// Cases like `)x`, `)2`, and `)(`
return (*c == '(')
| (self.letter && !self.is_unmasked_variable())
| self.is_unmasked_variable()
| self.is_unmasked_number();
} else if *c == '(' {
// Cases like `x(` and `2(`
return (other.is_unmasked_variable() | other.is_unmasked_number()) && !other.letter;
} else if other.is_unmasked_number() {
// Cases like `2x` and `2sin(x)`
return self.is_unmasked_variable() | self.letter;
} else if self.is_unmasked_variable() | self.letter {
// Cases like `e2` and `xx`
return other.is_unmasked_number()
| (other.is_unmasked_variable() && self.is_unmasked_variable())
| other.is_unmasked_variable();
} else if (self.is_unmasked_number() | self.letter | self.is_unmasked_variable())
&& (other.is_unmasked_number() | other.letter)
{
return true; return true;
} else {
return self.is_unmasked_number() && other.is_unmasked_variable();
} }
// For Term split type, also split after open parens
if matches!(split, &SplitType::Term) && prev.open_parens {
return true;
}
// After closing paren: split before `(`, letters, variables, or numbers
// e.g., `)x`, `)2`, `)(`, `)sin`
if prev.closing_parens {
return *c == '(' || self.is_term();
}
// Before open paren: split if previous was a standalone number or variable
// e.g., `x(`, `2(` but not `sin(`
if *c == '(' {
return (prev.is_unmasked_variable() || prev.is_unmasked_number()) && !prev.letter;
}
// After a number: split before variables or function letters
// e.g., `2x`, `2sin`
if prev.is_unmasked_number() {
return self.is_unmasked_variable() || self.letter;
}
// Current is a variable or letter: split if previous was a number or variable
// e.g., `e2`, `xx`, `xe`
if self.is_unmasked_variable() || self.letter {
return prev.is_unmasked_number() || prev.is_unmasked_variable();
}
// Current is a number after a variable
// e.g., `x2`
if self.is_unmasked_number() && prev.is_unmasked_variable() {
return true;
}
false
} }
} }
@@ -205,4 +276,13 @@ fn split_function_test() {
&["2", "sin(π) + 2", "cos(tau)"], &["2", "sin(π) + 2", "cos(tau)"],
SplitType::Multiplication, SplitType::Multiplication,
); );
// Test that exp() function is properly handled (not split into e*xp)
assert_test("exp(x)", &["exp(x)"], SplitType::Multiplication);
assert_test("2exp(x)", &["2", "exp(x)"], SplitType::Multiplication);
assert_test(
"exp(x)sin(x)",
&["exp(x)", "sin(x)"],
SplitType::Multiplication,
);
} }

View File

@@ -1,30 +0,0 @@
{
pkgs ? import <nixpkgs> { },
}:
pkgs.mkShell rec {
libs = with pkgs; [
# wayland
libxkbcommon
libGL
wayland
libx11
libxcursor
libxi
clang
];
nativeBuildInputs =
with pkgs;
[
rustc
cargo
rust-analyzer
python3Packages.fonttools
]
++ libs;
# add libs to path
LD_LIBRARY_PATH = "${pkgs.lib.makeLibraryPath libs}";
}

View File

@@ -1,18 +1,4 @@
use const_format::formatc;
use epaint::Color32; use epaint::Color32;
use shadow_rs::shadow;
shadow!(build);
/// Constant string that has a string containing information about the build.
pub const BUILD_INFO: &str = formatc!(
"Commit: {} ({})\nBuild Date: {}\nPackage Version: {}\nRust Channel: {}\nRust Version: {}",
&build::SHORT_COMMIT,
&build::BRANCH,
&build::BUILD_TIME,
&build::PKG_VERSION,
&build::RUST_CHANNEL,
&build::RUST_VERSION,
);
pub const FONT_SIZE: f32 = 14.0; pub const FONT_SIZE: f32 = 14.0;

View File

@@ -1,16 +1,14 @@
use crate::math_app::AppSettings; use crate::math_app::AppSettings;
use crate::misc::{EguiHelper, newtons_method_helper, step_helper}; use crate::misc::{EguiHelper, newtons_method_helper, step_helper};
use crate::symbolic::try_symbolic;
use egui::{Checkbox, Context}; use egui::{Checkbox, Context};
use egui_plot::{Bar, BarChart, PlotPoint, PlotUi}; use egui_plot::{Bar, BarChart, PlotPoint, PlotUi, Points};
use epaint::Color32; use epaint::Color32;
use parsing::{AutoComplete, generate_hint}; use parsing::{AutoComplete, generate_hint};
use parsing::{BackingFunction, process_func_str}; use parsing::{BackingFunction, process_func_str};
use serde::{Deserialize, Deserializer, Serialize, Serializer, ser::SerializeStruct}; use serde::{Deserialize, Deserializer, Serialize, Serializer, ser::SerializeStruct};
use std::{ use std::fmt::{self, Debug};
fmt::{self, Debug},
hash::{Hash, Hasher},
};
/// Represents the possible variations of Riemann Sums /// Represents the possible variations of Riemann Sums
#[derive(PartialEq, Eq, Debug, Copy, Clone, Default)] #[derive(PartialEq, Eq, Debug, Copy, Clone, Default)]
@@ -34,16 +32,13 @@ pub struct FunctionEntry {
/// The `BackingFunction` instance that is used to generate `f(x)`, `f'(x)`, and `f''(x)` /// The `BackingFunction` instance that is used to generate `f(x)`, `f'(x)`, and `f''(x)`
function: BackingFunction, function: BackingFunction,
/// Stores a function string (that hasn't been processed via `process_func_str`) to display to the user
pub raw_func_str: String,
/// If calculating/displayingintegrals are enabled /// If calculating/displayingintegrals are enabled
pub integral: bool, pub integral: bool,
/// If displaying derivatives are enabled (note, they are still calculated for other purposes) /// If displaying derivatives are enabled (note, they are still calculated for other purposes)
pub derivative: bool, pub derivative: bool,
pub nth_derviative: bool, pub nth_derivative: bool,
pub back_data: Vec<PlotPoint>, pub back_data: Vec<PlotPoint>,
pub integral_data: Option<(Vec<Bar>, f64)>, pub integral_data: Option<(Vec<Bar>, f64)>,
@@ -60,23 +55,13 @@ pub struct FunctionEntry {
pub settings_opened: bool, pub settings_opened: bool,
} }
impl Hash for FunctionEntry {
fn hash<H: Hasher>(&self, state: &mut H) {
self.raw_func_str.hash(state);
self.integral.hash(state);
self.nth_derviative.hash(state);
self.curr_nth.hash(state);
self.settings_opened.hash(state);
}
}
impl Serialize for FunctionEntry { impl Serialize for FunctionEntry {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where where
S: Serializer, S: Serializer,
{ {
let mut s = serializer.serialize_struct("FunctionEntry", 4)?; let mut s = serializer.serialize_struct("FunctionEntry", 4)?;
s.serialize_field("raw_func_str", &self.raw_func_str)?; s.serialize_field("raw_func_str", &self.autocomplete.string)?;
s.serialize_field("integral", &self.integral)?; s.serialize_field("integral", &self.integral)?;
s.serialize_field("derivative", &self.derivative)?; s.serialize_field("derivative", &self.derivative)?;
s.serialize_field("curr_nth", &self.curr_nth)?; s.serialize_field("curr_nth", &self.curr_nth)?;
@@ -125,10 +110,9 @@ impl Default for FunctionEntry {
fn default() -> FunctionEntry { fn default() -> FunctionEntry {
FunctionEntry { FunctionEntry {
function: BackingFunction::default(), function: BackingFunction::default(),
raw_func_str: String::new(),
integral: false, integral: false,
derivative: false, derivative: false,
nth_derviative: false, nth_derivative: false,
back_data: Vec::new(), back_data: Vec::new(),
integral_data: None, integral_data: None,
derivative_data: Vec::new(), derivative_data: Vec::new(),
@@ -150,14 +134,14 @@ impl FunctionEntry {
pub fn settings_window(&mut self, ctx: &Context) { pub fn settings_window(&mut self, ctx: &Context) {
let mut invalidate_nth = false; let mut invalidate_nth = false;
egui::Window::new(format!("Settings: {}", self.raw_func_str)) egui::Window::new(format!("Settings: {}", self.func_str()))
.open(&mut self.settings_opened) .open(&mut self.settings_opened)
.default_pos([200.0, 200.0]) .default_pos([200.0, 200.0])
.resizable(false) .resizable(false)
.collapsible(false) .collapsible(false)
.show(ctx, |ui| { .show(ctx, |ui| {
ui.add(Checkbox::new( ui.add(Checkbox::new(
&mut self.nth_derviative, &mut self.nth_derivative,
"Display Nth Derivative", "Display Nth Derivative",
)); ));
@@ -180,13 +164,32 @@ impl FunctionEntry {
&self.test_result &self.test_result
} }
/// Get the raw function string
#[inline]
pub fn func_str(&self) -> &str {
&self.autocomplete.string
}
/// Update function string and test it /// Update function string and test it
pub fn update_string(&mut self, raw_func_str: &str) { pub fn update_string(&mut self, raw_func_str: &str) {
if raw_func_str == self.raw_func_str { if raw_func_str == self.func_str() {
return; return;
} }
self.raw_func_str = raw_func_str.to_owned(); // Update the autocomplete string (which is now the source of truth for the raw string)
self.autocomplete.update_string(raw_func_str);
self.reparse_function(raw_func_str);
}
/// Re-parse the function from the current autocomplete string.
/// Call this when the autocomplete string was updated externally (e.g., via hint application).
pub fn sync_from_autocomplete(&mut self) {
self.reparse_function(&self.autocomplete.string.clone());
}
/// Internal helper to parse a function string and update internal state
fn reparse_function(&mut self, raw_func_str: &str) {
let processed_func = process_func_str(raw_func_str); let processed_func = process_func_str(raw_func_str);
let new_func_result = BackingFunction::new(&processed_func); let new_func_result = BackingFunction::new(&processed_func);
@@ -212,17 +215,16 @@ impl FunctionEntry {
) -> (Vec<(f64, f64)>, f64) { ) -> (Vec<(f64, f64)>, f64) {
let step = (integral_max_x - integral_min_x) / (integral_num as f64); let step = (integral_max_x - integral_min_x) / (integral_num as f64);
// let sum_func = self.get_sum_func(sum); let data: Vec<(f64, f64)> = step_helper(integral_num, integral_min_x, step)
let data2: Vec<(f64, f64)> = step_helper(integral_num, integral_min_x, step)
.into_iter() .into_iter()
.map(|x| { .map(|x| {
let step_offset = step.copysign(x); // store the offset here so it doesn't have to be calculated multiple times let step_offset = step.copysign(x);
let x2: f64 = x + step_offset; let x2 = x + step_offset;
let (left_x, right_x) = match x.is_sign_positive() { let (left_x, right_x) = if x.is_sign_positive() {
true => (x, x2), (x, x2)
false => (x2, x), } else {
(x2, x)
}; };
let y = match sum { let y = match sum {
@@ -238,9 +240,9 @@ impl FunctionEntry {
.filter(|(_, y)| y.is_finite()) .filter(|(_, y)| y.is_finite())
.collect(); .collect();
let area = data2.iter().map(move |(_, y)| y * step).sum(); let area = data.iter().map(|(_, y)| y * step).sum();
(data2, area) (data, area)
} }
/// Helps with processing newton's method depending on level of derivative /// Helps with processing newton's method depending on level of derivative
@@ -252,30 +254,36 @@ impl FunctionEntry {
) -> Vec<PlotPoint> { ) -> Vec<PlotPoint> {
self.function.generate_derivative(derivative_level); self.function.generate_derivative(derivative_level);
self.function.generate_derivative(derivative_level + 1); self.function.generate_derivative(derivative_level + 1);
let newtons_method_output: Vec<f64> = match derivative_level {
0 => newtons_method_helper( let data_source = match derivative_level {
threshold, 0 => self.back_data.as_slice(),
range, 1 => self.derivative_data.as_slice(),
self.back_data.as_slice(),
self.function.get_function_derivative(0),
self.function.get_function_derivative(1),
),
1 => newtons_method_helper(
threshold,
range,
self.derivative_data.as_slice(),
self.function.get_function_derivative(1),
self.function.get_function_derivative(2),
),
_ => unreachable!(), _ => unreachable!(),
}; };
newtons_method_output newtons_method_helper(
threshold,
range,
data_source,
self.function.get_function_derivative(derivative_level),
self.function.get_function_derivative(derivative_level + 1),
)
.into_iter() .into_iter()
.map(|x| PlotPoint::new(x, self.function.get(0, x))) .map(|x| PlotPoint::new(x, self.function.get(0, x)))
.collect() .collect()
} }
/// Generates plot data for a given derivative level over the resolution iterator
fn generate_plot_data(&mut self, derivative: usize, resolution_iter: &[f64]) -> Vec<PlotPoint> {
if derivative > 0 {
self.function.generate_derivative(derivative);
}
resolution_iter
.iter()
.map(|&x| PlotPoint::new(x, self.function.get(derivative, x)))
.collect()
}
/// Does the calculations and stores results in `self` /// Does the calculations and stores results in `self`
pub fn calculate( pub fn calculate(
&mut self, &mut self,
@@ -304,32 +312,17 @@ impl FunctionEntry {
} }
if self.back_data.is_empty() { if self.back_data.is_empty() {
let data: Vec<PlotPoint> = resolution_iter self.back_data = self.generate_plot_data(0, &resolution_iter);
.clone() debug_assert_eq!(self.back_data.len(), settings.plot_width + 1);
.into_iter()
.map(|x| PlotPoint::new(x, self.function.get(0, x)))
.collect();
debug_assert_eq!(data.len(), settings.plot_width + 1);
self.back_data = data;
} }
if self.derivative_data.is_empty() { if self.derivative_data.is_empty() {
self.function.generate_derivative(1); self.derivative_data = self.generate_plot_data(1, &resolution_iter);
let data: Vec<PlotPoint> = resolution_iter debug_assert_eq!(self.derivative_data.len(), settings.plot_width + 1);
.clone()
.into_iter()
.map(|x| PlotPoint::new(x, self.function.get(1, x)))
.collect();
debug_assert_eq!(data.len(), settings.plot_width + 1);
self.derivative_data = data;
} }
if self.nth_derviative && self.nth_derivative_data.is_none() { if self.nth_derivative && self.nth_derivative_data.is_none() {
let data: Vec<PlotPoint> = resolution_iter let data = self.generate_plot_data(self.curr_nth, &resolution_iter);
.into_iter()
.map(|x| PlotPoint::new(x, self.function.get(self.curr_nth, x)))
.collect();
debug_assert_eq!(data.len(), settings.plot_width + 1); debug_assert_eq!(data.len(), settings.plot_width + 1);
self.nth_derivative_data = Some(data); self.nth_derivative_data = Some(data);
} }
@@ -352,7 +345,7 @@ impl FunctionEntry {
self.clear_integral(); self.clear_integral();
} }
let threshold: f64 = resolution / 2.0; let threshold: f64 = f64::EPSILON;
let x_range = settings.min_x..settings.max_x; let x_range = settings.min_x..settings.max_x;
// Calculates extrema // Calculates extrema
@@ -385,7 +378,11 @@ impl FunctionEntry {
let step = (settings.max_x - settings.min_x) / (settings.plot_width as f64); let step = (settings.max_x - settings.min_x) / (settings.plot_width as f64);
debug_assert!(step > 0.0); debug_assert!(step > 0.0);
// Plot back data // Check if we have any special points that need exclusion zones
let has_special_points = (settings.do_extrema && !self.extrema_data.is_empty())
|| (settings.do_roots && !self.root_data.is_empty());
// Plot back data, filtering out points near special points for better hover detection
if !self.back_data.is_empty() { if !self.back_data.is_empty() {
if self.integral && (step >= integral_step) { if self.integral && (step >= integral_step) {
plot_ui.line( plot_ui.line(
@@ -403,45 +400,109 @@ impl FunctionEntry {
.fill(0.0), .fill(0.0),
); );
} }
plot_ui.line(
// Only filter when there are special points to avoid
let main_line = if has_special_points {
let exclusion_radius = step * 3.0;
let is_near_special = |p: &PlotPoint| {
(settings.do_extrema
&& self
.extrema_data
.iter()
.any(|sp| (p.x - sp.x).abs() < exclusion_radius))
|| (settings.do_roots
&& self
.root_data
.iter()
.any(|sp| (p.x - sp.x).abs() < exclusion_radius))
};
self.back_data self.back_data
.clone() .iter()
.filter(|p| !is_near_special(p))
.cloned()
.collect::<Vec<PlotPoint>>()
.to_line() .to_line()
.stroke(egui::Stroke::new(4.0, main_plot_color)), } else {
); // No filtering needed - use data directly
self.back_data.clone().to_line()
};
plot_ui.line(main_line.stroke(egui::Stroke::new(4.0, main_plot_color)));
} }
// Plot derivative data // Plot derivative data
if self.derivative && !self.derivative_data.is_empty() { if self.derivative && !self.derivative_data.is_empty() {
plot_ui.line(self.derivative_data.clone().to_line().color(Color32::GREEN)); let derivative_line = if has_special_points {
let exclusion_radius = step * 3.0;
let is_near_special = |p: &PlotPoint| {
(settings.do_extrema
&& self
.extrema_data
.iter()
.any(|sp| (p.x - sp.x).abs() < exclusion_radius))
|| (settings.do_roots
&& self
.root_data
.iter()
.any(|sp| (p.x - sp.x).abs() < exclusion_radius))
};
self.derivative_data
.iter()
.filter(|p| !is_near_special(p))
.cloned()
.collect::<Vec<PlotPoint>>()
.to_line()
} else {
self.derivative_data.clone().to_line()
};
plot_ui.line(derivative_line.color(Color32::GREEN));
} }
// Plot extrema points // Plot extrema points
if settings.do_extrema && !self.extrema_data.is_empty() { if settings.do_extrema && !self.extrema_data.is_empty() {
plot_ui.points( for point in &self.extrema_data {
self.extrema_data let name = format!(
.clone() "({}, {})",
.to_points() try_symbolic(point.x)
.color(Color32::YELLOW) .map(|s| s.to_string())
.radius(5.0), // Radius of points of Extrema .unwrap_or_else(|| format!("{:.4}", point.x)),
try_symbolic(point.y)
.map(|s| s.to_string())
.unwrap_or_else(|| format!("{:.4}", point.y))
); );
plot_ui.points(
Points::new(name, vec![[point.x, point.y]])
.color(Color32::YELLOW)
.radius(5.0),
);
}
} }
// Plot roots points // Plot roots points
if settings.do_roots && !self.root_data.is_empty() { if settings.do_roots && !self.root_data.is_empty() {
for point in &self.root_data {
let name = format!(
"({}, {})",
try_symbolic(point.x)
.map(|s| s.to_string())
.unwrap_or_else(|| format!("{:.4}", point.x)),
try_symbolic(point.y)
.map(|s| s.to_string())
.unwrap_or_else(|| format!("{:.4}", point.y))
);
plot_ui.points( plot_ui.points(
self.root_data Points::new(name, vec![[point.x, point.y]])
.clone()
.to_points()
.color(Color32::LIGHT_BLUE) .color(Color32::LIGHT_BLUE)
.radius(5.0), // Radius of points of Roots .radius(5.0),
); );
} }
}
if self.nth_derviative if self.nth_derivative
&& let Some(ref nth_derviative) = self.nth_derivative_data && let Some(ref nth_derivative) = self.nth_derivative_data
{ {
plot_ui.line(nth_derviative.clone().to_line().color(Color32::DARK_RED)); plot_ui.line(nth_derivative.clone().to_line().color(Color32::DARK_RED));
} }
// Plot integral data // Plot integral data

View File

@@ -1,11 +1,8 @@
use crate::{consts::COLORS, function_entry::FunctionEntry, widgets::widgets_ontop}; use crate::{function_entry::FunctionEntry, widgets::widgets_ontop};
use egui::{Button, Id, Key, Modifiers, PopupCloseBehavior, TextEdit, WidgetText}; use egui::{Button, Id, Key, Modifiers, Popup, PopupCloseBehavior, TextEdit, WidgetText};
use emath::vec2; use emath::vec2;
use parsing::Movement; use parsing::Movement;
use serde::ser::SerializeStruct; use serde::{Deserialize, Serialize};
use serde::{Deserialize, Deserializer, Serialize, Serializer};
use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};
use std::ops::BitXorAssign; use std::ops::BitXorAssign;
type Functions = Vec<(Id, FunctionEntry)>; type Functions = Vec<(Id, FunctionEntry)>;
@@ -17,9 +14,7 @@ pub struct FunctionManager {
impl Default for FunctionManager { impl Default for FunctionManager {
fn default() -> Self { fn default() -> Self {
let mut d = Self { let mut d = Self::new();
functions: Vec::new()
};
d.push_empty(); d.push_empty();
d d
} }
@@ -35,8 +30,8 @@ fn func_manager_roundtrip_serdes() {
let ser = bincode::serialize(&func_manager).expect("unable to serialize"); let ser = bincode::serialize(&func_manager).expect("unable to serialize");
let des: FunctionManager = bincode::deserialize(&ser).expect("unable to deserialize"); let des: FunctionManager = bincode::deserialize(&ser).expect("unable to deserialize");
assert_eq!( assert_eq!(
func_manager.functions[0].1.raw_func_str, func_manager.functions[0].1.func_str(),
des.functions[0].1.raw_func_str des.functions[0].1.func_str()
); );
} }
@@ -46,17 +41,15 @@ fn button_area_button<'a>(text: impl Into<WidgetText>) -> Button<'a> {
} }
impl FunctionManager { impl FunctionManager {
#[inline] pub fn new() -> Self {
fn get_hash(&self) -> u64 { Self {
let mut hasher = DefaultHasher::new(); functions: Vec::new(),
self.functions.hash(&mut hasher); }
hasher.finish()
} }
/// Displays function entries alongside returning whether or not functions have been modified /// Displays function entries alongside returning whether or not functions have been modified
pub fn display_entries(&mut self, ui: &mut egui::Ui) -> bool { pub fn display_entries(&mut self, ui: &mut egui::Ui) -> bool {
let initial_hash = self.get_hash(); let mut changed = false;
let can_remove = self.functions.len() > 1; let can_remove = self.functions.len() > 1;
let available_width = ui.available_width(); let available_width = ui.available_width();
@@ -64,7 +57,6 @@ impl FunctionManager {
let target_size = vec2(available_width, crate::consts::FONT_SIZE); let target_size = vec2(available_width, crate::consts::FONT_SIZE);
for (i, (te_id, function)) in self.functions.iter_mut().map(|(a, b)| (*a, b)).enumerate() { for (i, (te_id, function)) in self.functions.iter_mut().map(|(a, b)| (*a, b)).enumerate() {
let mut new_string = function.autocomplete.string.clone(); let mut new_string = function.autocomplete.string.clone();
function.update_string(&new_string);
let mut movement: Movement = Movement::default(); let mut movement: Movement = Movement::default();
@@ -88,11 +80,15 @@ impl FunctionManager {
// Only keep valid chars // Only keep valid chars
new_string.retain(crate::misc::is_valid_char); new_string.retain(crate::misc::is_valid_char);
// Track if function string changed and update the function
if new_string != function.autocomplete.string {
changed = true;
function.update_string(&new_string);
}
// If not fully open, return here as buttons cannot yet be displayed, therefore the user is inable to mark it for deletion // If not fully open, return here as buttons cannot yet be displayed, therefore the user is inable to mark it for deletion
let animate_bool = ui.ctx().animate_bool(te_id, re.has_focus()); let animate_bool = ui.ctx().animate_bool(te_id, re.has_focus());
if animate_bool == 1.0 { if animate_bool == 1.0 {
function.autocomplete.update_string(&new_string);
if function.autocomplete.hint.is_some() { if function.autocomplete.hint.is_some() {
// only register up and down arrow movements if hint is type `Hint::Many` // only register up and down arrow movements if hint is type `Hint::Many`
if !function.autocomplete.hint.is_single() { if !function.autocomplete.hint.is_single() {
@@ -117,9 +113,18 @@ impl FunctionManager {
movement = Movement::Complete; movement = Movement::Complete;
} }
// Remember string before movement to detect changes
let string_before = function.autocomplete.string.clone();
// Register movement and apply proper changes // Register movement and apply proper changes
function.autocomplete.register_movement(&movement); function.autocomplete.register_movement(&movement);
// If the string changed (hint was applied), update the backing function
if function.autocomplete.string != string_before {
function.sync_from_autocomplete();
changed = true;
}
if movement != Movement::Complete if movement != Movement::Complete
&& let Some(hints) = function.autocomplete.hint.many() && let Some(hints) = function.autocomplete.hint.many()
{ {
@@ -127,12 +132,10 @@ impl FunctionManager {
let autocomplete_popup_id = Id::new("autocomplete popup"); let autocomplete_popup_id = Id::new("autocomplete popup");
egui::popup_below_widget( Popup::from_response(&re)
ui, .id(autocomplete_popup_id)
autocomplete_popup_id, .close_behavior(PopupCloseBehavior::CloseOnClickOutside)
&re, .show(|ui| {
PopupCloseBehavior::CloseOnClickOutside,
|ui| {
hints.iter().enumerate().for_each(|(i, candidate)| { hints.iter().enumerate().for_each(|(i, candidate)| {
if ui if ui
.selectable_label(i == function.autocomplete.i, *candidate) .selectable_label(i == function.autocomplete.i, *candidate)
@@ -142,17 +145,19 @@ impl FunctionManager {
function.autocomplete.i = i; function.autocomplete.i = i;
} }
}); });
}, });
);
if clicked { if clicked {
function function
.autocomplete .autocomplete
.apply_hint(hints[function.autocomplete.i]); .apply_hint(hints[function.autocomplete.i]);
// Update the backing function with the new string after hint was applied
function.sync_from_autocomplete();
changed = true;
movement = Movement::Complete; movement = Movement::Complete;
} else { } else {
ui.memory_mut(|x| x.open_popup(autocomplete_popup_id)); Popup::open_id(ui.ctx(), autocomplete_popup_id);
} }
} }
@@ -226,11 +231,10 @@ impl FunctionManager {
// Remove function if the user requests it // Remove function if the user requests it
if let Some(remove_i_unwrap) = remove_i { if let Some(remove_i_unwrap) = remove_i {
self.functions.remove(remove_i_unwrap); self.functions.remove(remove_i_unwrap);
changed = true;
} }
let final_hash = self.get_hash(); changed
initial_hash != final_hash
} }
/// Create and push new empty function entry /// Create and push new empty function entry

View File

@@ -6,30 +6,30 @@ mod function_entry;
mod function_manager; mod function_manager;
mod math_app; mod math_app;
mod misc; mod misc;
pub mod symbolic;
mod unicode_helper; mod unicode_helper;
mod widgets; mod widgets;
pub use crate::{ pub use crate::{
function_entry::{FunctionEntry, Riemann}, function_entry::{FunctionEntry, Riemann},
math_app::AppSettings, math_app::{AppSettings, MathApp},
misc::{ misc::{EguiHelper, newtons_method, option_vec_printer, step_helper},
EguiHelper, HashBytes, hashed_storage_create, hashed_storage_read, newtons_method,
option_vec_printer, step_helper,
},
unicode_helper::{to_chars_array, to_unicode_hash}, unicode_helper::{to_chars_array, to_unicode_hash},
}; };
cfg_if::cfg_if! { // WASM-specific setup
if #[cfg(target_arch = "wasm32")] { #[cfg(target_arch = "wasm32")]
mod wasm {
use super::math_app;
use eframe::WebRunner;
use lol_alloc::{FreeListAllocator, LockedAllocator};
use wasm_bindgen::prelude::*; use wasm_bindgen::prelude::*;
use web_sys::HtmlCanvasElement; use web_sys::HtmlCanvasElement;
use lol_alloc::{FreeListAllocator, LockedAllocator};
#[global_allocator] #[global_allocator]
static ALLOCATOR: LockedAllocator<FreeListAllocator> = LockedAllocator::new(FreeListAllocator::new()); static ALLOCATOR: LockedAllocator<FreeListAllocator> =
LockedAllocator::new(FreeListAllocator::new());
use eframe::WebRunner;
// use tracing::metadata::LevelFilter;
#[derive(Clone)] #[derive(Clone)]
#[wasm_bindgen] #[wasm_bindgen]
pub struct WebHandle { pub struct WebHandle {
@@ -42,9 +42,7 @@ cfg_if::cfg_if! {
#[allow(clippy::new_without_default)] #[allow(clippy::new_without_default)]
#[wasm_bindgen(constructor)] #[wasm_bindgen(constructor)]
pub fn new() -> Self { pub fn new() -> Self {
// eframe::WebLogger::init(LevelFilter::Debug).ok();
tracing_wasm::set_as_global_default(); tracing_wasm::set_as_global_default();
Self { Self {
runner: WebRunner::new(), runner: WebRunner::new(),
} }
@@ -52,7 +50,10 @@ cfg_if::cfg_if! {
/// Call this once from JavaScript to start your app. /// Call this once from JavaScript to start your app.
#[wasm_bindgen] #[wasm_bindgen]
pub async fn start(&self, canvas_id: HtmlCanvasElement) -> Result<(), wasm_bindgen::JsValue> { pub async fn start(
&self,
canvas_id: HtmlCanvasElement,
) -> Result<(), wasm_bindgen::JsValue> {
self.runner self.runner
.start( .start(
canvas_id, canvas_id,
@@ -67,11 +68,20 @@ cfg_if::cfg_if! {
pub async fn start() { pub async fn start() {
tracing::info!("Starting..."); tracing::info!("Starting...");
let document = web_sys::window().unwrap().document().unwrap(); let document = web_sys::window()
let canvas = document.get_element_by_id("canvas").unwrap().dyn_into::<HtmlCanvasElement>().unwrap(); .expect("no window")
.document()
.expect("no document");
let canvas = document
.get_element_by_id("canvas")
.expect("no canvas element")
.dyn_into::<HtmlCanvasElement>()
.expect("canvas is not an HtmlCanvasElement");
let web_handle = WebHandle::new(); let web_handle = WebHandle::new();
web_handle.start(canvas).await.unwrap() web_handle
} .start(canvas)
.await
.expect("failed to start web app");
} }
} }

View File

@@ -1,14 +1,3 @@
#[macro_use]
extern crate static_assertions;
mod consts;
mod function_entry;
mod function_manager;
mod math_app;
mod misc;
mod unicode_helper;
mod widgets;
// For running the program natively! (Because why not?) // For running the program natively! (Because why not?)
#[cfg(not(target_arch = "wasm32"))] #[cfg(not(target_arch = "wasm32"))]
fn main() -> eframe::Result<()> { fn main() -> eframe::Result<()> {
@@ -21,6 +10,6 @@ fn main() -> eframe::Result<()> {
eframe::run_native( eframe::run_native(
"(Yet-to-be-named) Graphing Software", "(Yet-to-be-named) Graphing Software",
eframe::NativeOptions::default(), eframe::NativeOptions::default(),
Box::new(|cc| Ok(Box::new(math_app::MathApp::new(cc)))), Box::new(|cc| Ok(Box::new(ytbn_graphing_software::MathApp::new(cc)))),
) )
} }

View File

@@ -1,8 +1,9 @@
use crate::{ use crate::{
consts::{BUILD_INFO, COLORS, DEFAULT_INTEGRAL_NUM, DEFAULT_MAX_X, DEFAULT_MIN_X, build}, consts::{COLORS, DEFAULT_INTEGRAL_NUM, DEFAULT_MAX_X, DEFAULT_MIN_X},
function_entry::Riemann, function_entry::Riemann,
function_manager::FunctionManager, function_manager::FunctionManager,
misc::option_vec_printer, misc::option_vec_printer,
widgets::toggle_button,
}; };
use eframe::App; use eframe::App;
use egui::{ use egui::{
@@ -13,9 +14,8 @@ use egui_plot::Plot;
use emath::{Align, Align2}; use emath::{Align, Align2};
use epaint::Margin; use epaint::Margin;
use instant::Instant;
use itertools::Itertools; use itertools::Itertools;
use std::{io::Read, ops::BitXorAssign}; use std::io::Read;
/// Stores current settings/state of [`MathApp`] /// Stores current settings/state of [`MathApp`]
#[derive(Copy, Clone)] #[derive(Copy, Clone)]
@@ -74,9 +74,6 @@ struct Opened {
/// Help window /// Help window
pub help: bool, pub help: bool,
/// Info window
pub info: bool,
/// Sidepanel /// Sidepanel
pub side_panel: bool, pub side_panel: bool,
@@ -88,7 +85,6 @@ impl Default for Opened {
fn default() -> Opened { fn default() -> Opened {
Self { Self {
help: false, help: false,
info: false,
side_panel: true, side_panel: true,
welcome: true, welcome: true,
} }
@@ -100,8 +96,8 @@ pub struct MathApp {
/// Stores vector of functions /// Stores vector of functions
functions: FunctionManager, functions: FunctionManager,
/// Contains the list of Areas calculated (the vector of f64) and time it took for the last frame (the Duration). Stored in a Tuple. /// Contains the list of Areas calculated
last_info: (Option<String>, Option<String>), areas: Option<String>,
/// Stores opened windows/elements for later reference /// Stores opened windows/elements for later reference
opened: Opened, opened: Opened,
@@ -128,109 +124,50 @@ const DATA_NAME: &str = "YTBN-DECOMPRESSED";
#[cfg(target_arch = "wasm32")] #[cfg(target_arch = "wasm32")]
const FUNC_NAME: &str = "YTBN-FUNCTIONS"; const FUNC_NAME: &str = "YTBN-FUNCTIONS";
impl MathApp { /// Load functions from localStorage (WASM only)
#[allow(dead_code)] // This is used lol #[cfg(target_arch = "wasm32")]
/// Create new instance of [`MathApp`] and return it fn load_functions() -> Option<FunctionManager> {
pub fn new(cc: &eframe::CreationContext<'_>) -> Self {
#[cfg(threading)]
tracing::info!("Threading: Enabled");
#[cfg(not(threading))]
tracing::info!("Threading: Disabled");
tracing::info!("commit: {}", build::SHORT_COMMIT);
tracing::info!("Initializing...");
let start = Instant::now();
cfg_if::cfg_if! {
if #[cfg(target_arch = "wasm32")] {
tracing::info!("Web Info: {:?}", &cc.integration_info.web_info);
fn get_storage_decompressed() -> Option<Vec<u8>> {
let data = get_localstorage().get_item(DATA_NAME).ok()??;
let (commit, cached_data) = crate::misc::hashed_storage_read(&data)?;
if commit == unsafe { std::mem::transmute::<&str, crate::misc::HashBytes>(build::SHORT_COMMIT) } {
tracing::info!("Reading decompression cache. Bytes: {}", cached_data.len());
return Some(cached_data);
} else {
None
}
}
fn load_functions() -> Option<FunctionManager> {
let data = get_localstorage().get_item(FUNC_NAME).ok()??; let data = get_localstorage().get_item(FUNC_NAME).ok()??;
let (commit, func_data) = crate::misc::hashed_storage_read(&data)?; let func_data = crate::misc::hashed_storage_read(&data)?;
if commit == unsafe { std::mem::transmute::<&str, &[u8]>(build::SHORT_COMMIT) } {
tracing::info!("Reading previous function data"); tracing::info!("Reading previous function data");
let function_manager: FunctionManager = bincode::deserialize(&func_data).ok()?; match bincode::deserialize(&func_data) {
return Some(function_manager); Ok(Some(function_manager)) => Some(function_manager),
} else { _ => {
tracing::info!("Unable to load functionManager instance");
None None
} }
} }
}
} fn decompress_fonts() -> epaint::text::FontDefinitions {
}
fn decompress_fonts() -> epaint::text::FontDefinitions {
let mut data = Vec::new(); let mut data = Vec::new();
let _ =
ruzstd::decoding::StreamingDecoder::new( ruzstd::decoding::StreamingDecoder::new(
&mut const { const { include_bytes!(concat!(env!("OUT_DIR"), "/compressed_data")).as_slice() },
include_bytes!(concat!(env!("OUT_DIR"), "/compressed_data")).as_slice()
},
) )
.expect("unable to decode compressed data") .expect("unable to decode compressed data")
.read_to_end(&mut data) .read_to_end(&mut data)
.expect("unable to read compressed data"); .expect("unable to read compressed data");
#[cfg(target = "wasm32")]
{
tracing::info!("Setting decompression cache");
let commit: crate::misc::HashBytes = const {
unsafe {
std::mem::transmute::<&str, crate::misc::HashBytes>(build::SHORT_COMMIT)
}
};
let saved_data = commit.hashed_storage_create(data);
tracing::info!("Bytes: {}", saved_data.len());
get_localstorage()
.set_item(DATA_NAME, saved_data)
.expect("failed to set local storage cache");
}
bincode::deserialize(data.as_slice()).expect("unable to deserialize bincode") bincode::deserialize(data.as_slice()).expect("unable to deserialize bincode")
} }
impl MathApp {
#[allow(dead_code)] // This is used lol
/// Create new instance of [`MathApp`] and return it
pub fn new(cc: &eframe::CreationContext<'_>) -> Self {
tracing::info!("Initializing...");
#[cfg(target_arch = "wasm32")]
tracing::info!("Web Info: {:?}", &cc.integration_info.web_info);
tracing::info!("Reading fonts..."); tracing::info!("Reading fonts...");
// Initialize fonts // Initialize fonts
// This used to be in the `update` method, but (after a ton of digging) this actually caused OOMs. that was a pain to debug // This used to be in the `update` method, but (after a ton of digging) this actually caused OOMs. that was a pain to debug
cc.egui_ctx.set_fonts({ cc.egui_ctx.set_fonts(decompress_fonts());
#[cfg(target = "wasm32")]
if let Some(Ok(data)) =
get_storage_decompressed().map(|data| bincode::deserialize(data.as_slice()))
{
data
} else {
decompress_fonts()
}
#[cfg(not(target = "wasm32"))] tracing::info!("Initialized!");
decompress_fonts()
});
// Set dark mode by default
// cc.egui_ctx.set_visuals(crate::style::style());
// Set spacing
// cc.egui_ctx.set_spacing(crate::style::SPACING);
tracing::info!("Initialized! Took: {:?}", start.elapsed());
Self { Self {
#[cfg(target_arch = "wasm32")] #[cfg(target_arch = "wasm32")]
@@ -239,7 +176,7 @@ impl MathApp {
#[cfg(not(target_arch = "wasm32"))] #[cfg(not(target_arch = "wasm32"))]
functions: FunctionManager::default(), functions: FunctionManager::default(),
last_info: (None, None), areas: None,
opened: Opened::default(), opened: Opened::default(),
settings: AppSettings::default(), settings: AppSettings::default(),
} }
@@ -339,22 +276,20 @@ impl MathApp {
}); });
ui.horizontal(|ui| { ui.horizontal(|ui| {
self.settings.do_extrema.bitxor_assign( toggle_button(
ui.add(Button::new("Extrema")) ui,
.on_hover_text(match self.settings.do_extrema { &mut self.settings.do_extrema,
true => "Disable Displaying Extrema", "Extrema",
false => "Display Extrema", "Disable Displaying Extrema",
}) "Display Extrema",
.clicked(),
); );
self.settings.do_roots.bitxor_assign( toggle_button(
ui.add(Button::new("Roots")) ui,
.on_hover_text(match self.settings.do_roots { &mut self.settings.do_roots,
true => "Disable Displaying Roots", "Roots",
false => "Display Roots", "Disable Displaying Roots",
}) "Display Roots",
.clicked(),
); );
}); });
@@ -362,11 +297,8 @@ impl MathApp {
#[cfg(target_arch = "wasm32")] #[cfg(target_arch = "wasm32")]
{ {
tracing::info!("Saving function data"); tracing::info!("Saving function data");
use crate::misc::{HashBytes, hashed_storage_create};
let hash: HashBytes = let saved_data = crate::misc::hashed_storage_create(
unsafe { std::mem::transmute::<&str, HashBytes>(build::SHORT_COMMIT) };
let saved_data = hashed_storage_create(
hash,
&bincode::serialize(&self.functions) &bincode::serialize(&self.functions)
.expect("unable to deserialize functions"), .expect("unable to deserialize functions"),
); );
@@ -396,35 +328,24 @@ impl MathApp {
impl App for MathApp { impl App for MathApp {
/// Called each time the UI needs repainting. /// Called each time the UI needs repainting.
fn update(&mut self, ctx: &Context, _frame: &mut eframe::Frame) { fn update(&mut self, ctx: &Context, _frame: &mut eframe::Frame) {
// start timer
let start = if self.opened.info {
Some(instant::Instant::now())
} else {
// if disabled, clear the stored formatted time
self.last_info.1 = None;
None
};
// If keyboard input isn't being grabbed, check for key combos // If keyboard input isn't being grabbed, check for key combos
if !ctx.wants_keyboard_input() { if !ctx.wants_keyboard_input() {
// If `H` key is pressed, toggle Side Panel // If `H` key is pressed, toggle Side Panel
self.opened if ctx.input_mut(|x| x.consume_key(egui::Modifiers::NONE, Key::H)) {
.side_panel self.opened.side_panel = !self.opened.side_panel;
.bitxor_assign(ctx.input_mut(|x| x.consume_key(egui::Modifiers::NONE, Key::H))); }
} }
// Creates Top bar that contains some general options // Creates Top bar that contains some general options
TopBottomPanel::top("top_bar").show(ctx, |ui| { TopBottomPanel::top("top_bar").show(ctx, |ui| {
ui.horizontal(|ui| { ui.horizontal(|ui| {
// Button in top bar to toggle showing the side panel // Button in top bar to toggle showing the side panel
self.opened.side_panel.bitxor_assign( toggle_button(
ui.add(Button::new("Panel")) ui,
.on_hover_text(match self.opened.side_panel { &mut self.opened.side_panel,
true => "Hide Side Panel", "Panel",
false => "Show Side Panel", "Hide Side Panel",
}) "Show Side Panel",
.clicked(),
); );
// Button to add a new function // Button to add a new function
@@ -440,27 +361,16 @@ impl App for MathApp {
} }
// Toggles opening the Help window // Toggles opening the Help window
self.opened.help.bitxor_assign( toggle_button(
ui.add(Button::new("Help")) ui,
.on_hover_text(match self.opened.help { &mut self.opened.help,
true => "Close Help Window", "Help",
false => "Open Help Window", "Close Help Window",
}) "Open Help Window",
.clicked(),
);
// Toggles opening the Info window
self.opened.info.bitxor_assign(
ui.add(Button::new("Info"))
.on_hover_text(match self.opened.info {
true => "Close Info Window",
false => "Open Info Window",
})
.clicked(),
); );
// Display Area and time of last frame // Display Area and time of last frame
if let Some(ref area) = self.last_info.0 { if let Some(ref area) = self.areas {
ui.label(area); ui.label(area);
} }
}); });
@@ -513,20 +423,6 @@ impl App for MathApp {
} }
} }
// Window with information about the build and current commit
Window::new("Info")
.open(&mut self.opened.info)
.default_pos([200.0, 200.0])
.resizable(false)
.collapsible(false)
.show(ctx, |ui| {
ui.add(egui::Label::new(BUILD_INFO));
if let Some(ref took) = self.last_info.1 {
ui.label(took);
}
});
// If side panel is enabled, show it. // If side panel is enabled, show it.
if self.opened.side_panel { if self.opened.side_panel {
self.side_panel(ctx); self.side_panel(ctx);
@@ -549,13 +445,8 @@ impl App for MathApp {
.iter() .iter()
.map(|(_, func)| func.get_test_result()) .map(|(_, func)| func.get_test_result())
.enumerate() .enumerate()
.filter(|(_, error)| error.is_some()) .filter_map(|(i, error)| error.as_ref().map(|x| (i, x)))
.map(|(i, error)| { .map(|(i, error)| format!("(Function #{}) {}\n", i, error))
// use unwrap_unchecked as None Errors are already filtered out
unsafe {
format!("(Function #{}) {}\n", i, error.as_ref().unwrap_unchecked())
}
})
.join(""); .join("");
if !errors_formatted.is_empty() { if !errors_formatted.is_empty() {
@@ -609,15 +500,12 @@ impl App for MathApp {
}) })
.collect(); .collect();
self.last_info.0 = if area.iter().any(|e| e.is_some()) { self.areas = if area.iter().any(|e| e.is_some()) {
Some(format!("Area: {}", option_vec_printer(area.as_slice()))) Some(format!("Area: {}", option_vec_printer(area.as_slice())))
} else { } else {
None None
}; };
}); });
}); });
// Calculate and store the last time it took to draw the frame
self.last_info.1 = start.map(|a| format!("Took: {}ms", a.elapsed().as_micros()));
} }
} }

View File

@@ -1,4 +1,5 @@
use base64::{Engine as _, engine::general_purpose}; use base64::Engine;
use base64::engine::general_purpose;
use egui_plot::{Line, PlotPoint, PlotPoints, Points}; use egui_plot::{Line, PlotPoint, PlotPoints, Points};
use emath::Pos2; use emath::Pos2;
use itertools::Itertools; use itertools::Itertools;
@@ -90,9 +91,7 @@ pub fn newtons_method_helper(
.filter(|(prev, curr)| prev.y.is_finite() && curr.y.is_finite()) .filter(|(prev, curr)| prev.y.is_finite() && curr.y.is_finite())
.filter(|(prev, curr)| prev.y.signum() != curr.y.signum()) .filter(|(prev, curr)| prev.y.signum() != curr.y.signum())
.map(|(start, _)| start.x) .map(|(start, _)| start.x)
.map(|x| newtons_method(f, f_1, x, range, threshold)) .filter_map(|x| newtons_method(f, f_1, x, range, threshold))
.filter(|x| x.is_some())
.map(|x| unsafe { x.unwrap_unchecked() })
.collect() .collect()
} }
@@ -150,48 +149,14 @@ pub fn step_helper(max_i: usize, min_x: f64, step: f64) -> Vec<f64> {
.collect() .collect()
} }
// TODO: use in hovering over points
/// Attempts to see what variable `x` is almost
#[allow(dead_code)] #[allow(dead_code)]
pub fn almost_variable(x: f64) -> Option<char> { pub fn hashed_storage_create(data: &[u8]) -> String {
const EPSILON: f32 = f32::EPSILON * 2.0; general_purpose::STANDARD.encode(data)
if emath::almost_equal(x as f32, std::f32::consts::E, EPSILON) {
Some('e')
} else if emath::almost_equal(x as f32, std::f32::consts::PI, EPSILON) {
Some('π')
} else {
None
}
}
pub const HASH_LENGTH: usize = 8;
/// Represents bytes used to represent hash info
pub type HashBytes = [u8; HASH_LENGTH];
#[allow(dead_code)]
pub fn hashed_storage_create(hashbytes: HashBytes, data: &[u8]) -> String {
let combined_data = [hashbytes.to_vec(), data.to_vec()].concat();
general_purpose::STANDARD.encode(combined_data)
} }
#[allow(dead_code)] #[allow(dead_code)]
pub fn hashed_storage_read(data: &str) -> Option<(HashBytes, Vec<u8>)> { pub fn hashed_storage_read(data: &str) -> Option<Vec<u8>> {
// Decode base64 data general_purpose::STANDARD.decode(data).ok()
let decoded_bytes = general_purpose::STANDARD.decode(data).ok()?;
// Make sure data is long enough to decode
if HASH_LENGTH > decoded_bytes.len() {
return None;
}
// Split hash and data
let (hash_bytes, data_bytes) = decoded_bytes.split_at(HASH_LENGTH);
// Convert hash bytes to HashBytes
let hash: HashBytes = hash_bytes.try_into().ok()?;
Some((hash, data_bytes.to_vec()))
} }
include!(concat!(env!("OUT_DIR"), "/valid_chars.rs")); include!(concat!(env!("OUT_DIR"), "/valid_chars.rs"));

210
src/symbolic.rs Normal file
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@@ -0,0 +1,210 @@
use std::fmt;
/// Maximum denominator to consider when checking for rational approximations.
const MAX_DENOMINATOR: i64 = 12;
/// Maximum coefficient to consider for multiples of special constants.
const MAX_COEFFICIENT: i64 = 12;
/// Represents a symbolic mathematical value.
#[derive(Debug, Clone, PartialEq)]
pub struct SymbolicValue {
/// The original numeric value
value: f64,
/// The symbolic representation
repr: SymbolicRepr,
}
/// The type of symbolic representation.
#[derive(Debug, Clone, PartialEq)]
enum SymbolicRepr {
/// An integer value
Integer(i64),
/// A simple fraction: numerator / denominator
Fraction { numerator: i64, denominator: i64 },
/// A multiple of a constant: (numerator / denominator) * constant
ConstantMultiple {
numerator: i64,
denominator: i64,
constant: Constant,
},
}
/// Known mathematical constants.
#[derive(Debug, Clone, Copy, PartialEq)]
enum Constant {
Pi,
E,
Sqrt(i64),
}
impl Constant {
fn value(self) -> f64 {
match self {
Constant::Pi => std::f64::consts::PI,
Constant::E => std::f64::consts::E,
Constant::Sqrt(n) => (n as f64).sqrt(),
}
}
fn name(self) -> String {
match self {
Constant::Pi => "pi".to_string(),
Constant::E => "e".to_string(),
Constant::Sqrt(n) => format!("sqrt({})", n),
}
}
}
/// All constants to try, in order of priority.
const CONSTANTS: &[Constant] = &[
Constant::Pi,
Constant::E,
Constant::Sqrt(2),
Constant::Sqrt(3),
Constant::Sqrt(5),
Constant::Sqrt(6),
Constant::Sqrt(7),
];
impl SymbolicValue {
/// Returns the original numeric value.
pub fn numeric_value(&self) -> f64 {
self.value
}
}
impl fmt::Display for SymbolicValue {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match &self.repr {
SymbolicRepr::Integer(n) => write!(f, "{}", n),
SymbolicRepr::Fraction {
numerator,
denominator,
} => write!(f, "{}/{}", numerator, denominator),
SymbolicRepr::ConstantMultiple {
numerator,
denominator,
constant,
} => format_constant_multiple(f, *numerator, *denominator, &constant.name()),
}
}
}
/// Helper function to format a constant multiple like "2pi/3" or "-pi/2"
fn format_constant_multiple(
f: &mut fmt::Formatter<'_>,
numerator: i64,
denominator: i64,
constant: &str,
) -> fmt::Result {
let sign = if numerator < 0 { "-" } else { "" };
let abs_num = numerator.abs();
match (abs_num, denominator) {
(1, 1) => write!(f, "{}{}", sign, constant),
(_, 1) => write!(f, "{}{}{}", sign, abs_num, constant),
(1, _) => write!(f, "{}{}/{}", sign, constant, denominator),
(_, _) => write!(f, "{}{}{}/{}", sign, abs_num, constant, denominator),
}
}
/// Attempts to find a symbolic representation for the given numeric value.
///
/// Returns `Some(SymbolicValue)` if the value can be represented symbolically,
/// or `None` if no suitable symbolic representation is found.
///
/// # Examples
///
/// ```
/// use ytbn_graphing_software::symbolic::try_symbolic;
/// use std::f64::consts::PI;
///
/// let sym = try_symbolic(PI).unwrap();
/// assert_eq!(sym.to_string(), "pi");
///
/// let sym = try_symbolic(PI / 2.0).unwrap();
/// assert_eq!(sym.to_string(), "pi/2");
/// ```
pub fn try_symbolic(x: f64) -> Option<SymbolicValue> {
if !x.is_finite() {
return None;
}
// Check for zero
if x.abs() < f64::EPSILON {
return Some(SymbolicValue {
value: x,
repr: SymbolicRepr::Integer(0),
});
}
// Try each constant in order of preference
for &constant in CONSTANTS {
if let Some(repr) = try_constant_multiple(x, constant) {
return Some(SymbolicValue { value: x, repr });
}
}
// Fall back to rational approximation
try_rational(x).map(|repr| SymbolicValue { value: x, repr })
}
/// Try to represent x as (numerator/denominator) * constant
fn try_constant_multiple(x: f64, constant: Constant) -> Option<SymbolicRepr> {
let c = constant.value();
for denom in 1..=MAX_DENOMINATOR {
let num_f = x * (denom as f64) / c;
let num = num_f.round() as i64;
// Skip if coefficient is zero or too large
if num == 0 || num.abs() > MAX_COEFFICIENT * denom {
continue;
}
let expected = (num as f64) * c / (denom as f64);
if (x - expected).abs() < f64::EPSILON {
let g = gcd(num.abs(), denom);
return Some(SymbolicRepr::ConstantMultiple {
numerator: num / g,
denominator: denom / g,
constant,
});
}
}
None
}
/// Try to represent x as a simple fraction: numerator/denominator
fn try_rational(x: f64) -> Option<SymbolicRepr> {
for denom in 1..=MAX_DENOMINATOR {
let num_f = x * (denom as f64);
let num = num_f.round() as i64;
if (x - (num as f64) / (denom as f64)).abs() < f64::EPSILON {
let g = gcd(num.abs(), denom);
let (num, denom) = (num / g, denom / g);
return Some(if denom == 1 {
SymbolicRepr::Integer(num)
} else {
SymbolicRepr::Fraction {
numerator: num,
denominator: denom,
}
});
}
}
None
}
/// Compute the greatest common divisor using Euclidean algorithm.
fn gcd(mut a: i64, mut b: i64) -> i64 {
while b != 0 {
(a, b) = (b, a % b);
}
a
}

View File

@@ -1,5 +1,6 @@
use crate::misc::Offset; use crate::misc::Offset;
use egui::{Id, InnerResponse}; use egui::{Button, Id, InnerResponse, Ui};
use std::ops::BitXorAssign;
/// Creates an area ontop of a widget with an y offset /// Creates an area ontop of a widget with an y offset
pub fn widgets_ontop<R>( pub fn widgets_ontop<R>(
@@ -15,3 +16,19 @@ pub fn widgets_ontop<R>(
area.show(ui.ctx(), |ui| add_contents(ui)) area.show(ui.ctx(), |ui| add_contents(ui))
} }
/// A toggle button that XORs its state when clicked.
/// Shows different hover text based on current state.
pub fn toggle_button(
ui: &mut Ui,
state: &mut bool,
label: &str,
enabled_tip: &str,
disabled_tip: &str,
) {
state.bitxor_assign(
ui.add(Button::new(label))
.on_hover_text(if *state { enabled_tip } else { disabled_tip })
.clicked(),
);
}

View File

@@ -230,7 +230,7 @@ fn do_test(sum: Riemann, area_target: f64) {
{ {
function.update_string("sin(x)"); function.update_string("sin(x)");
assert!(function.get_test_result().is_none()); assert!(function.get_test_result().is_none());
assert_eq!(&function.raw_func_str, "sin(x)"); assert_eq!(function.func_str(), "sin(x)");
function.integral = false; function.integral = false;
function.derivative = false; function.derivative = false;

View File

@@ -60,34 +60,6 @@ fn option_vec_printer() {
} }
} }
#[test]
fn hashed_storage() {
use ytbn_graphing_software::{hashed_storage_create, hashed_storage_read};
let commit = "abcdefeg".chars().map(|c| c as u8).collect::<Vec<u8>>();
let data = "really cool data"
.chars()
.map(|c| c as u8)
.collect::<Vec<u8>>();
let storage_tmp: [u8; 8] = commit
.as_slice()
.try_into()
.expect("cannot turn into [u8; 8]");
let storage = hashed_storage_create(storage_tmp, data.as_slice());
let read = hashed_storage_read(&storage);
assert_eq!(
read.map(|(a, b)| (a.to_vec(), b.to_vec())),
Some((commit.to_vec(), data.to_vec()))
);
}
#[test]
fn invalid_hashed_storage() {
use ytbn_graphing_software::hashed_storage_read;
assert_eq!(hashed_storage_read("aaaa"), None);
}
// #[test] // #[test]
// fn to_values() { // fn to_values() {
// use egui::plot::{Value, Values}; // use egui::plot::{Value, Values};

229
tests/symbolic.rs Normal file
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@@ -0,0 +1,229 @@
use std::f64::consts::{E, PI, SQRT_2};
use ytbn_graphing_software::symbolic::try_symbolic;
#[test]
fn exact_pi() {
let result = try_symbolic(PI);
assert!(result.is_some());
let sym = result.unwrap();
assert_eq!(sym.to_string(), "pi");
}
#[test]
fn multiples_of_pi() {
// 2*pi
let result = try_symbolic(2.0 * PI);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "2pi");
// 3*pi
let result = try_symbolic(3.0 * PI);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "3pi");
// -pi
let result = try_symbolic(-PI);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "-pi");
// -2*pi
let result = try_symbolic(-2.0 * PI);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "-2pi");
}
#[test]
fn fractions_of_pi() {
// pi/2
let result = try_symbolic(PI / 2.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "pi/2");
// pi/3
let result = try_symbolic(PI / 3.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "pi/3");
// pi/4
let result = try_symbolic(PI / 4.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "pi/4");
// pi/6
let result = try_symbolic(PI / 6.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "pi/6");
// 2pi/3
let result = try_symbolic(2.0 * PI / 3.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "2pi/3");
// 3pi/4
let result = try_symbolic(3.0 * PI / 4.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "3pi/4");
// 5pi/6
let result = try_symbolic(5.0 * PI / 6.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "5pi/6");
// -pi/2
let result = try_symbolic(-PI / 2.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "-pi/2");
}
#[test]
fn exact_e() {
let result = try_symbolic(E);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "e");
}
#[test]
fn multiples_of_e() {
// 2e
let result = try_symbolic(2.0 * E);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "2e");
// -e
let result = try_symbolic(-E);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "-e");
}
#[test]
fn sqrt_2() {
let result = try_symbolic(SQRT_2);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "sqrt(2)");
// -sqrt(2)
let result = try_symbolic(-SQRT_2);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "-sqrt(2)");
// 2*sqrt(2)
let result = try_symbolic(2.0 * SQRT_2);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "2sqrt(2)");
}
#[test]
fn sqrt_3() {
let sqrt_3 = 3.0_f64.sqrt();
let result = try_symbolic(sqrt_3);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "sqrt(3)");
// sqrt(3)/2 - common in trigonometry
let result = try_symbolic(sqrt_3 / 2.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "sqrt(3)/2");
}
#[test]
fn simple_fractions() {
// 1/2
let result = try_symbolic(0.5);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "1/2");
// 1/3
let result = try_symbolic(1.0 / 3.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "1/3");
// 2/3
let result = try_symbolic(2.0 / 3.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "2/3");
// 1/4
let result = try_symbolic(0.25);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "1/4");
// 3/4
let result = try_symbolic(0.75);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "3/4");
// -1/2
let result = try_symbolic(-0.5);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "-1/2");
}
#[test]
fn integers() {
// 0
let result = try_symbolic(0.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "0");
// 1
let result = try_symbolic(1.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "1");
// -1
let result = try_symbolic(-1.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "-1");
// 5
let result = try_symbolic(5.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "5");
}
#[test]
fn non_symbolic_values() {
// Some arbitrary irrational number that isn't special
let result = try_symbolic(1.234567890123);
assert!(result.is_none());
// A number that's close to but not quite pi
let result = try_symbolic(3.15);
assert!(result.is_none());
}
#[test]
fn numeric_value() {
// SymbolicValue should provide the original numeric value
let sym = try_symbolic(PI).unwrap();
assert!((sym.numeric_value() - PI).abs() < 1e-10);
let sym = try_symbolic(PI / 2.0).unwrap();
assert!((sym.numeric_value() - PI / 2.0).abs() < 1e-10);
}
#[test]
fn zero() {
let result = try_symbolic(0.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "0");
// Also test -0.0
let result = try_symbolic(-0.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "0");
}
#[test]
fn special_trig_values() {
// Common values that appear in trigonometry
// sin(pi/4) = cos(pi/4) = sqrt(2)/2
let result = try_symbolic(SQRT_2 / 2.0);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "sqrt(2)/2");
// sin(pi/6) = cos(pi/3) = 1/2
let result = try_symbolic(0.5);
assert!(result.is_some());
assert_eq!(result.unwrap().to_string(), "1/2");
}