portable-simd/crates/std_float/tests/float.rs at eb7cb897ea71f57eed0495f1fbc12b7cca0e55df · folkertdev/portable-simd · GitHub

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#![feature(portable_simd)]
#![feature(f16)]

macro_rules! unary_test {
    { $scalar:tt, $($func:tt),+ } => {
        test_helpers::test_lanes! {
            $(
            fn $func<const LANES: usize>() {
                test_helpers::test_unary_elementwise(
                    &core_simd::simd::Simd::<$scalar, LANES>::$func,
                    &$scalar::$func,
                    &|_| true,
                )
            }
            )*
        }
    }
}

macro_rules! unary_approx_test {
    { $scalar:tt, $($func:tt),+ } => {
        test_helpers::test_lanes! {
            $(
            fn $func<const LANES: usize>() {
                test_helpers::test_unary_elementwise_approx(
                    &core_simd::simd::Simd::<$scalar, LANES>::$func,
                    &$scalar::$func,
                    &|_| true,
                    16,
                )
            }
            )*
        }
    }
}

macro_rules! binary_approx_test {
    { $scalar:tt, $($func:tt),+ } => {
        test_helpers::test_lanes! {
            $(
            fn $func<const LANES: usize>() {
                test_helpers::test_binary_elementwise_approx(
                    &core_simd::simd::Simd::<$scalar, LANES>::$func,
                    &$scalar::$func,
                    &|_, _| true,
                    16,
                )
            }
            )*
        }
    }
}

macro_rules! ternary_test {
    { $scalar:tt, $($func:tt),+ } => {
        test_helpers::test_lanes! {
            $(
            fn $func<const LANES: usize>() {
                test_helpers::test_ternary_elementwise(
                    &core_simd::simd::Simd::<$scalar, LANES>::$func,
                    &$scalar::$func,
                    &|_, _, _| true,
                )
            }
            )*
        }
    }
}

macro_rules! impl_tests {
    { $scalar:tt } => {
        mod $scalar {
            use std_float::StdFloat;

            unary_test! { $scalar, sqrt, ceil, floor, round, trunc, round_ties_even }
            ternary_test! { $scalar, mul_add }

            // https://github.com/rust-lang/miri/issues/3555
            unary_approx_test! { $scalar, sin, cos, exp, exp2, ln, log2, log10 }
            binary_approx_test! { $scalar, log }

            test_helpers::test_lanes! {
                fn fract<const LANES: usize>() {
                    test_helpers::test_unary_elementwise_flush_subnormals(
                        &core_simd::simd::Simd::<$scalar, LANES>::fract,
                        &$scalar::fract,
                        &|_| true,
                    )
                }
            }
        }
    }
}

impl_tests! { f16 }
impl_tests! { f32 }
impl_tests! { f64 }