forked from M-Labs/nalgebra
119 lines
3.7 KiB
Rust
119 lines
3.7 KiB
Rust
use na::{Vector2,Vector3,Vector4,Vector5,DVector};
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use std::panic;
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//
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// Should mimic calculations in Python's scipy library
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// >>>from scipy.signal import convolve
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//
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// >>> convolve([1,2,3,4],[1,2],"same")
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// array([ 1, 4, 7, 10])
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#[test]
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fn convolve_same_check(){
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// Static Tests
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let actual_s = Vector4::from_vec(vec![1.0,4.0,7.0,10.0]);
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let expected_s = Vector4::new(1.0,2.0,3.0,4.0).convolve_same(Vector2::new(1.0,2.0));
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assert!(relative_eq!(actual_s, expected_s, epsilon = 1.0e-7));
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// Dynamic Tests
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let actual_d = DVector::from_vec(vec![1.0,4.0,7.0,10.0]);
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let expected_d = DVector::from_vec(vec![1.0,2.0,3.0,4.0]).convolve_same(DVector::from_vec(vec![1.0,2.0]));
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assert!(relative_eq!(actual_d, expected_d, epsilon = 1.0e-7));
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// Panic Tests
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// These really only apply to dynamic sized vectors
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assert!(
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panic::catch_unwind(|| {
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DVector::from_vec(vec![1.0,2.0]).convolve_same(DVector::from_vec(vec![1.0,2.0,3.0,4.0]));
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}).is_err()
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);
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assert!(
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panic::catch_unwind(|| {
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DVector::<f32>::from_vec(vec![]).convolve_same(DVector::from_vec(vec![1.0,2.0,3.0,4.0]));
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}).is_err()
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);
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assert!(
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panic::catch_unwind(|| {
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DVector::from_vec(vec![1.0,2.0,3.0,4.0]).convolve_same(DVector::<f32>::from_vec(vec![]));
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}).is_err()
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);
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}
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// >>> convolve([1,2,3,4],[1,2],"full")
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// array([ 1, 4, 7, 10, 8])
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#[test]
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fn convolve_full_check(){
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// Static Tests
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let actual_s = Vector5::new(1.0,4.0,7.0,10.0,8.0);
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let expected_s = Vector4::new(1.0,2.0,3.0,4.0).convolve_full(Vector2::new(1.0,2.0));
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assert!(relative_eq!(actual_s, expected_s, epsilon = 1.0e-7));
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// Dynamic Tests
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let actual_d = DVector::from_vec(vec![1.0,4.0,7.0,10.0,8.0]);
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let expected_d = DVector::from_vec(vec![1.0,2.0,3.0,4.0]).convolve_full(DVector::from_vec(vec![1.0,2.0]));
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assert!(relative_eq!(actual_d, expected_d, epsilon = 1.0e-7));
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// Panic Tests
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// These really only apply to dynamic sized vectors
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assert!(
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panic::catch_unwind(|| {
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DVector::from_vec(vec![1.0,2.0]).convolve_full(DVector::from_vec(vec![1.0,2.0,3.0,4.0]));
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}).is_err()
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);
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assert!(
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panic::catch_unwind(|| {
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DVector::<f32>::from_vec(vec![]).convolve_full(DVector::from_vec(vec![1.0,2.0,3.0,4.0]));
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}).is_err()
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);
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assert!(
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panic::catch_unwind(|| {
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DVector::from_vec(vec![1.0,2.0,3.0,4.0]).convolve_full(DVector::<f32>::from_vec(vec![]));
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}).is_err()
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);
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}
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// >>> convolve([1,2,3,4],[1,2],"valid")
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// array([ 4, 7, 10])
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#[test]
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fn convolve_valid_check(){
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// Static Tests
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let actual_s = Vector3::from_vec(vec![4.0,7.0,10.0]);
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let expected_s = Vector4::new(1.0,2.0,3.0,4.0).convolve_valid( Vector2::new(1.0,2.0));
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assert!(relative_eq!(actual_s, expected_s, epsilon = 1.0e-7));
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// Dynamic Tests
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let actual_d = DVector::from_vec(vec![4.0,7.0,10.0]);
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let expected_d = DVector::from_vec(vec![1.0,2.0,3.0,4.0]).convolve_valid(DVector::from_vec(vec![1.0,2.0]));
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assert!(relative_eq!(actual_d, expected_d, epsilon = 1.0e-7));
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// Panic Tests
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// These really only apply to dynamic sized vectors
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assert!(
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panic::catch_unwind(|| {
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DVector::from_vec(vec![1.0,2.0]).convolve_valid(DVector::from_vec(vec![1.0,2.0,3.0,4.0]));
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}).is_err()
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);
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assert!(
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panic::catch_unwind(|| {
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DVector::<f32>::from_vec(vec![]).convolve_valid(DVector::from_vec(vec![1.0,2.0,3.0,4.0]));
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}).is_err()
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);
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assert!(
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panic::catch_unwind(|| {
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DVector::from_vec(vec![1.0,2.0,3.0,4.0]).convolve_valid(DVector::<f32>::from_vec(vec![]));
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}).is_err()
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);
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} |