mdarray-linalg-lapack 0.1.2

LAPACK backend for mdarray-linalg
Documentation 
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use num_complex::Complex;
use paste::paste;

#[allow(clippy::too_many_arguments)]
pub trait LapackScalar {
    unsafe fn lapack_getrf(m: i32, n: i32, a: *mut Self, lda: i32, ipiv: *mut i32, info: *mut i32);

    unsafe fn lapack_gesv(
        n: i32,
        nrhs: i32,
        a: *mut Self,
        lda: i32,
        ipiv: *mut i32,
        b: *mut Self,
        ldb: i32,
        info: *mut i32,
    );
}

macro_rules! impl_lapack_scalar {
    ($t:ty, $prefix:ident) => {
        impl LapackScalar for $t {
            #[inline]
            unsafe fn lapack_getrf(
                m: i32,
                n: i32,
                a: *mut Self,
                lda: i32,
                ipiv: *mut i32,
                info: *mut i32,
            ) {
                unsafe {
                    paste! {
                        lapack_sys::[<$prefix getrf_>](
                            &m as *const i32,
                            &n as *const i32,
                            a as *mut _,
                            &lda as *const i32,
                            ipiv as *mut i32,
                            info as *mut i32,
                        );
                    }
                }
            }

            #[inline]
            unsafe fn lapack_gesv(
                n: i32,
                nrhs: i32,
                a: *mut Self,
                lda: i32,
                ipiv: *mut i32,
                b: *mut Self,
                ldb: i32,
                info: *mut i32,
            ) {
                unsafe {
                    paste! {
                        lapack_sys::[<$prefix gesv_>](
                            &n as *const i32,
                            &nrhs as *const i32,
                            a as *mut _,
                            &lda as *const i32,
                            ipiv as *mut i32,
                            b as *mut _,
                            &ldb as *const i32,
                            info as *mut i32,
                        );
                    }
                }
            }
        }
    };
}

impl_lapack_scalar!(f32, s);
impl_lapack_scalar!(f64, d);
impl_lapack_scalar!(Complex<f32>, c);
impl_lapack_scalar!(Complex<f64>, z);