forked from M-Labs/nalgebra
60 lines
1.7 KiB
Rust
60 lines
1.7 KiB
Rust
use na::{DMatrix, Matrix2, Matrix4, Matrix5x3, Matrix3x5, Bidiagonal};
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#[cfg(feature = "arbitrary")]
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quickcheck! {
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fn bidiagonal(m: DMatrix<f64>) -> bool {
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if m.len() == 0 {
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return true;
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}
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let bidiagonal = Bidiagonal::new(m.clone());
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let (u, d, v_t) = bidiagonal.unpack();
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println!("{}{}{}", &u, &d, &v_t);
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println!("{:.7}{:.7}", &u * &d * &v_t, m);
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relative_eq!(m, &u * d * &v_t, epsilon = 1.0e-7)
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}
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fn bidiagonal_static_5_3(m: Matrix5x3<f64>) -> bool {
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let bidiagonal = Bidiagonal::new(m);
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let (u, d, v_t) = bidiagonal.unpack();
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println!("{}{}{}", &u, &d, &v_t);
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println!("{:.7}{:.7}", &u * &d * &v_t, m);
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relative_eq!(m, &u * d * &v_t, epsilon = 1.0e-7)
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}
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fn bidiagonal_static_3_5(m: Matrix3x5<f64>) -> bool {
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let bidiagonal = Bidiagonal::new(m);
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let (u, d, v_t) = bidiagonal.unpack();
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println!("{}{}{}", &u, &d, &v_t);
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println!("{:.7}{:.7}", &u * &d * &v_t, m);
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relative_eq!(m, &u * d * &v_t, epsilon = 1.0e-7)
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}
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fn bidiagonal_static_square(m: Matrix4<f64>) -> bool {
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let bidiagonal = Bidiagonal::new(m);
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let (u, d, v_t) = bidiagonal.unpack();
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println!("{}{}{}", &u, &d, &v_t);
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println!("{:.7}{:.7}", &u * &d * &v_t, m);
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relative_eq!(m, &u * d * &v_t, epsilon = 1.0e-7)
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}
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fn bidiagonal_static_square_2x2(m: Matrix2<f64>) -> bool {
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let bidiagonal = Bidiagonal::new(m);
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let (u, d, v_t) = bidiagonal.unpack();
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println!("{}{}{}", &u, &d, &v_t);
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println!("{:.7}{:.7}", &u * &d * &v_t, m);
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relative_eq!(m, &u * d * &v_t, epsilon = 1.0e-7)
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}
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}
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