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fix SteppedVector

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This commit is contained in:
Simon Gardling 2022-03-22 10:55:01 -04:00
parent d20058fb92
commit 8191852f17
1 changed files with 9 additions and 9 deletions
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18
src/misc.rs
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@ -101,10 +101,8 @@ impl SteppedVector {
// Convert `Vec<f64>` into `SteppedVector`
impl From<Vec<f64>> for SteppedVector {
/// Note: input `data` is assumed to be sorted properly
/// `data` is a Vector of 64 bit floating point numbers ordered from max ->
/// min
fn from(data: Vec<f64>) -> SteppedVector {
fn from(input_data: Vec<f64>) -> SteppedVector {
let mut data = input_data;
// length of data
let data_length = data.len();
// length of data subtracted by 1 (represents the maximum index value)
@ -112,15 +110,17 @@ impl From<Vec<f64>> for SteppedVector {
// Ensure data is of correct length
if data_length < 2 {
panic!("SteppedVector: data should have a length longer than 2")
panic!("SteppedVector: data should have a length longer than 2");
}
let max = data[0]; // The max value should be the first element
let min = data[data_i_length]; // The minimum value should be the last element
let mut max: f64 = data[0]; // The max value should be the first element
let mut min: f64 = data[data_i_length]; // The minimum value should be the last element
// Just some checks here
// if min is bigger than max, sort the input data
if min > max {
panic!("SteppedVector: first element is smaller than the last element")
data.sort_unstable_by(|a, b| b.partial_cmp(a).unwrap());
max = data[0];
min = data[data_i_length];
}
let step = (max - min).abs() / (data_i_length as f64); // Calculate the step between elements