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Diffstat (limited to '')
27 files changed, 1299 insertions, 0 deletions
diff --git a/library/portable-simd/crates/core_simd/tests/autoderef.rs b/library/portable-simd/crates/core_simd/tests/autoderef.rs new file mode 100644 index 000000000..9359da16e --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/autoderef.rs @@ -0,0 +1,22 @@ +// Test that we handle all our "auto-deref" cases correctly. +#![feature(portable_simd)] +use core_simd::f32x4; + +#[cfg(target_arch = "wasm32")] +use wasm_bindgen_test::*; + +#[cfg(target_arch = "wasm32")] +wasm_bindgen_test_configure!(run_in_browser); + +#[test] +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] +fn deref() { + let x = f32x4::splat(1.0); + let y = f32x4::splat(2.0); + let a = &x; + let b = &y; + assert_eq!(f32x4::splat(3.0), x + y); + assert_eq!(f32x4::splat(3.0), x + b); + assert_eq!(f32x4::splat(3.0), a + y); + assert_eq!(f32x4::splat(3.0), a + b); +} diff --git a/library/portable-simd/crates/core_simd/tests/cast.rs b/library/portable-simd/crates/core_simd/tests/cast.rs new file mode 100644 index 000000000..ab5650f07 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/cast.rs @@ -0,0 +1,37 @@ +#![feature(portable_simd)] +macro_rules! cast_types { + ($start:ident, $($target:ident),*) => { + mod $start { + use core_simd::simd::Simd; + type Vector<const N: usize> = Simd<$start, N>; + $( + mod $target { + use super::*; + test_helpers::test_lanes! { + fn cast_as<const N: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<N>::cast::<$target>, + &|x| x as $target, + &|_| true, + ) + } + } + } + )* + } + }; +} + +// The hypothesis is that widening conversions aren't terribly interesting. +cast_types!(f32, f64, i8, u8, usize, isize); +cast_types!(f64, f32, i8, u8, usize, isize); +cast_types!(i8, u8, f32); +cast_types!(u8, i8, f32); +cast_types!(i16, u16, i8, u8, f32); +cast_types!(u16, i16, i8, u8, f32); +cast_types!(i32, u32, i8, u8, f32, f64); +cast_types!(u32, i32, i8, u8, f32, f64); +cast_types!(i64, u64, i8, u8, isize, usize, f32, f64); +cast_types!(u64, i64, i8, u8, isize, usize, f32, f64); +cast_types!(isize, usize, i8, u8, f32, f64); +cast_types!(usize, isize, i8, u8, f32, f64); diff --git a/library/portable-simd/crates/core_simd/tests/f32_ops.rs b/library/portable-simd/crates/core_simd/tests/f32_ops.rs new file mode 100644 index 000000000..414a832b1 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/f32_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_float_tests! { f32, i32 } diff --git a/library/portable-simd/crates/core_simd/tests/f64_ops.rs b/library/portable-simd/crates/core_simd/tests/f64_ops.rs new file mode 100644 index 000000000..e0a1fa33f --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/f64_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_float_tests! { f64, i64 } diff --git a/library/portable-simd/crates/core_simd/tests/i16_ops.rs b/library/portable-simd/crates/core_simd/tests/i16_ops.rs new file mode 100644 index 000000000..f6c5d74fb --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/i16_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_signed_tests! { i16 } diff --git a/library/portable-simd/crates/core_simd/tests/i32_ops.rs b/library/portable-simd/crates/core_simd/tests/i32_ops.rs new file mode 100644 index 000000000..69a831c52 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/i32_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_signed_tests! { i32 } diff --git a/library/portable-simd/crates/core_simd/tests/i64_ops.rs b/library/portable-simd/crates/core_simd/tests/i64_ops.rs new file mode 100644 index 000000000..37ac08117 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/i64_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_signed_tests! { i64 } diff --git a/library/portable-simd/crates/core_simd/tests/i8_ops.rs b/library/portable-simd/crates/core_simd/tests/i8_ops.rs new file mode 100644 index 000000000..11e4a5cd6 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/i8_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_signed_tests! { i8 } diff --git a/library/portable-simd/crates/core_simd/tests/isize_ops.rs b/library/portable-simd/crates/core_simd/tests/isize_ops.rs new file mode 100644 index 000000000..5cc9de2b7 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/isize_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_signed_tests! { isize } diff --git a/library/portable-simd/crates/core_simd/tests/mask_ops.rs b/library/portable-simd/crates/core_simd/tests/mask_ops.rs new file mode 100644 index 000000000..f113b50cb --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/mask_ops.rs @@ -0,0 +1,3 @@ +#![feature(portable_simd)] + +mod mask_ops_impl; diff --git a/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask16.rs b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask16.rs new file mode 100644 index 000000000..0fe82fa68 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask16.rs @@ -0,0 +1,4 @@ +mask_tests! { mask16x4, 4 } +mask_tests! { mask16x8, 8 } +mask_tests! { mask16x16, 16 } +mask_tests! { mask16x32, 32 } diff --git a/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask32.rs b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask32.rs new file mode 100644 index 000000000..66d987a43 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask32.rs @@ -0,0 +1,4 @@ +mask_tests! { mask32x2, 2 } +mask_tests! { mask32x4, 4 } +mask_tests! { mask32x8, 8 } +mask_tests! { mask32x16, 16 } diff --git a/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask64.rs b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask64.rs new file mode 100644 index 000000000..a1f1f67b2 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask64.rs @@ -0,0 +1,3 @@ +mask_tests! { mask64x2, 2 } +mask_tests! { mask64x4, 4 } +mask_tests! { mask64x8, 8 } diff --git a/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask8.rs b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask8.rs new file mode 100644 index 000000000..9c06fbc04 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask8.rs @@ -0,0 +1,3 @@ +mask_tests! { mask8x8, 8 } +mask_tests! { mask8x16, 16 } +mask_tests! { mask8x32, 32 } diff --git a/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask_macros.rs b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask_macros.rs new file mode 100644 index 000000000..795f9e27c --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mask_macros.rs @@ -0,0 +1,225 @@ +macro_rules! mask_tests { + { $vector:ident, $lanes:literal } => { + #[cfg(test)] + mod $vector { + use core_simd::$vector as Vector; + const LANES: usize = $lanes; + + #[cfg(target_arch = "wasm32")] + use wasm_bindgen_test::*; + + #[cfg(target_arch = "wasm32")] + wasm_bindgen_test_configure!(run_in_browser); + + fn from_slice(slice: &[bool]) -> Vector { + let mut value = Vector::default(); + for (i, b) in slice.iter().take(LANES).enumerate() { + value.set(i, *b); + } + value + } + + fn apply_unary_lanewise(x: Vector, f: impl Fn(bool) -> bool) -> Vector { + let mut value = Vector::default(); + for i in 0..LANES { + value.set(i, f(x.test(i))); + } + value + } + + fn apply_binary_lanewise(x: Vector, y: Vector, f: impl Fn(bool, bool) -> bool) -> Vector { + let mut value = Vector::default(); + for i in 0..LANES { + value.set(i, f(x.test(i), y.test(i))); + } + value + } + + fn apply_binary_scalar_lhs_lanewise(x: bool, mut y: Vector, f: impl Fn(bool, bool) -> bool) -> Vector { + for i in 0..LANES { + y.set(i, f(x, y.test(i))); + } + y + } + + fn apply_binary_scalar_rhs_lanewise(mut x: Vector, y: bool, f: impl Fn(bool, bool) -> bool) -> Vector { + for i in 0..LANES { + x.set(i, f(x.test(i), y)); + } + x + } + + const A: [bool; 64] = [ + false, true, false, true, false, false, true, true, + false, true, false, true, false, false, true, true, + false, true, false, true, false, false, true, true, + false, true, false, true, false, false, true, true, + false, true, false, true, false, false, true, true, + false, true, false, true, false, false, true, true, + false, true, false, true, false, false, true, true, + false, true, false, true, false, false, true, true, + ]; + const B: [bool; 64] = [ + false, false, true, true, false, true, false, true, + false, false, true, true, false, true, false, true, + false, false, true, true, false, true, false, true, + false, false, true, true, false, true, false, true, + false, false, true, true, false, true, false, true, + false, false, true, true, false, true, false, true, + false, false, true, true, false, true, false, true, + false, false, true, true, false, true, false, true, + ]; + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitand() { + let a = from_slice(&A); + let b = from_slice(&B); + let expected = apply_binary_lanewise(a, b, core::ops::BitAnd::bitand); + assert_eq!(a & b, expected); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitand_assign() { + let mut a = from_slice(&A); + let b = from_slice(&B); + let expected = apply_binary_lanewise(a, b, core::ops::BitAnd::bitand); + a &= b; + assert_eq!(a, expected); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitand_scalar_rhs() { + let a = from_slice(&A); + let expected = a; + assert_eq!(a & true, expected); + assert_eq!(a & false, Vector::splat(false)); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitand_scalar_lhs() { + let a = from_slice(&A); + let expected = a; + assert_eq!(true & a, expected); + assert_eq!(false & a, Vector::splat(false)); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitand_assign_scalar() { + let mut a = from_slice(&A); + let expected = a; + a &= true; + assert_eq!(a, expected); + a &= false; + assert_eq!(a, Vector::splat(false)); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitor() { + let a = from_slice(&A); + let b = from_slice(&B); + let expected = apply_binary_lanewise(a, b, core::ops::BitOr::bitor); + assert_eq!(a | b, expected); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitor_assign() { + let mut a = from_slice(&A); + let b = from_slice(&B); + let expected = apply_binary_lanewise(a, b, core::ops::BitOr::bitor); + a |= b; + assert_eq!(a, expected); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitor_scalar_rhs() { + let a = from_slice(&A); + assert_eq!(a | false, a); + assert_eq!(a | true, Vector::splat(true)); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitor_scalar_lhs() { + let a = from_slice(&A); + assert_eq!(false | a, a); + assert_eq!(true | a, Vector::splat(true)); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitor_assign_scalar() { + let mut a = from_slice(&A); + let expected = a; + a |= false; + assert_eq!(a, expected); + a |= true; + assert_eq!(a, Vector::splat(true)); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitxor() { + let a = from_slice(&A); + let b = from_slice(&B); + let expected = apply_binary_lanewise(a, b, core::ops::BitXor::bitxor); + assert_eq!(a ^ b, expected); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitxor_assign() { + let mut a = from_slice(&A); + let b = from_slice(&B); + let expected = apply_binary_lanewise(a, b, core::ops::BitXor::bitxor); + a ^= b; + assert_eq!(a, expected); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitxor_scalar_rhs() { + let a = from_slice(&A); + let expected = apply_binary_scalar_rhs_lanewise(a, true, core::ops::BitXor::bitxor); + assert_eq!(a ^ false, a); + assert_eq!(a ^ true, expected); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitxor_scalar_lhs() { + let a = from_slice(&A); + let expected = apply_binary_scalar_lhs_lanewise(true, a, core::ops::BitXor::bitxor); + assert_eq!(false ^ a, a); + assert_eq!(true ^ a, expected); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn bitxor_assign_scalar() { + let mut a = from_slice(&A); + let expected_unset = a; + let expected_set = apply_binary_scalar_rhs_lanewise(a, true, core::ops::BitXor::bitxor); + a ^= false; + assert_eq!(a, expected_unset); + a ^= true; + assert_eq!(a, expected_set); + } + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn not() { + let v = from_slice(&A); + let expected = apply_unary_lanewise(v, core::ops::Not::not); + assert_eq!(!v, expected); + } + } + } +} diff --git a/library/portable-simd/crates/core_simd/tests/mask_ops_impl/masksize.rs b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/masksize.rs new file mode 100644 index 000000000..e0a44d870 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/masksize.rs @@ -0,0 +1,3 @@ +mask_tests! { masksizex2, 2 } +mask_tests! { masksizex4, 4 } +mask_tests! { masksizex8, 8 } diff --git a/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mod.rs b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mod.rs new file mode 100644 index 000000000..b9ec8462a --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/mask_ops_impl/mod.rs @@ -0,0 +1,9 @@ +#[macro_use] +mod mask_macros; + +#[rustfmt::skip] +mod mask8; +mod mask16; +mod mask32; +mod mask64; +mod masksize; diff --git a/library/portable-simd/crates/core_simd/tests/masks.rs b/library/portable-simd/crates/core_simd/tests/masks.rs new file mode 100644 index 000000000..673d0db93 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/masks.rs @@ -0,0 +1,158 @@ +#![feature(portable_simd)] + +#[cfg(target_arch = "wasm32")] +use wasm_bindgen_test::*; + +#[cfg(target_arch = "wasm32")] +wasm_bindgen_test_configure!(run_in_browser); + +macro_rules! test_mask_api { + { $type:ident } => { + #[allow(non_snake_case)] + mod $type { + #[cfg(target_arch = "wasm32")] + use wasm_bindgen_test::*; + + #[test] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn set_and_test() { + let values = [true, false, false, true, false, false, true, false]; + let mut mask = core_simd::Mask::<$type, 8>::splat(false); + for (lane, value) in values.iter().copied().enumerate() { + mask.set(lane, value); + } + for (lane, value) in values.iter().copied().enumerate() { + assert_eq!(mask.test(lane), value); + } + } + + #[test] + #[should_panic] + fn set_invalid_lane() { + let mut mask = core_simd::Mask::<$type, 8>::splat(false); + mask.set(8, true); + let _ = mask; + } + + #[test] + #[should_panic] + fn test_invalid_lane() { + let mask = core_simd::Mask::<$type, 8>::splat(false); + let _ = mask.test(8); + } + + #[test] + fn any() { + assert!(!core_simd::Mask::<$type, 8>::splat(false).any()); + assert!(core_simd::Mask::<$type, 8>::splat(true).any()); + let mut v = core_simd::Mask::<$type, 8>::splat(false); + v.set(2, true); + assert!(v.any()); + } + + #[test] + fn all() { + assert!(!core_simd::Mask::<$type, 8>::splat(false).all()); + assert!(core_simd::Mask::<$type, 8>::splat(true).all()); + let mut v = core_simd::Mask::<$type, 8>::splat(false); + v.set(2, true); + assert!(!v.all()); + } + + #[test] + fn roundtrip_int_conversion() { + let values = [true, false, false, true, false, false, true, false]; + let mask = core_simd::Mask::<$type, 8>::from_array(values); + let int = mask.to_int(); + assert_eq!(int.to_array(), [-1, 0, 0, -1, 0, 0, -1, 0]); + assert_eq!(core_simd::Mask::<$type, 8>::from_int(int), mask); + } + + #[test] + fn roundtrip_bitmask_conversion() { + use core_simd::ToBitMask; + let values = [ + true, false, false, true, false, false, true, false, + true, true, false, false, false, false, false, true, + ]; + let mask = core_simd::Mask::<$type, 16>::from_array(values); + let bitmask = mask.to_bitmask(); + assert_eq!(bitmask, 0b1000001101001001); + assert_eq!(core_simd::Mask::<$type, 16>::from_bitmask(bitmask), mask); + } + + #[test] + fn roundtrip_bitmask_conversion_short() { + use core_simd::ToBitMask; + + let values = [ + false, false, false, true, + ]; + let mask = core_simd::Mask::<$type, 4>::from_array(values); + let bitmask = mask.to_bitmask(); + assert_eq!(bitmask, 0b1000); + assert_eq!(core_simd::Mask::<$type, 4>::from_bitmask(bitmask), mask); + + let values = [true, false]; + let mask = core_simd::Mask::<$type, 2>::from_array(values); + let bitmask = mask.to_bitmask(); + assert_eq!(bitmask, 0b01); + assert_eq!(core_simd::Mask::<$type, 2>::from_bitmask(bitmask), mask); + } + + #[test] + fn cast() { + fn cast_impl<T: core_simd::MaskElement>() + where + core_simd::Mask<$type, 8>: Into<core_simd::Mask<T, 8>>, + { + let values = [true, false, false, true, false, false, true, false]; + let mask = core_simd::Mask::<$type, 8>::from_array(values); + + let cast_mask = mask.cast::<T>(); + assert_eq!(values, cast_mask.to_array()); + + let into_mask: core_simd::Mask<T, 8> = mask.into(); + assert_eq!(values, into_mask.to_array()); + } + + cast_impl::<i8>(); + cast_impl::<i16>(); + cast_impl::<i32>(); + cast_impl::<i64>(); + cast_impl::<isize>(); + } + + #[cfg(feature = "generic_const_exprs")] + #[test] + fn roundtrip_bitmask_array_conversion() { + use core_simd::ToBitMaskArray; + let values = [ + true, false, false, true, false, false, true, false, + true, true, false, false, false, false, false, true, + ]; + let mask = core_simd::Mask::<$type, 16>::from_array(values); + let bitmask = mask.to_bitmask_array(); + assert_eq!(bitmask, [0b01001001, 0b10000011]); + assert_eq!(core_simd::Mask::<$type, 16>::from_bitmask_array(bitmask), mask); + } + } + } +} + +mod mask_api { + test_mask_api! { i8 } + test_mask_api! { i16 } + test_mask_api! { i32 } + test_mask_api! { i64 } + test_mask_api! { isize } +} + +#[test] +fn convert() { + let values = [true, false, false, true, false, false, true, false]; + assert_eq!( + core_simd::Mask::<i8, 8>::from_array(values), + core_simd::Mask::<i32, 8>::from_array(values).into() + ); +} diff --git a/library/portable-simd/crates/core_simd/tests/ops_macros.rs b/library/portable-simd/crates/core_simd/tests/ops_macros.rs new file mode 100644 index 000000000..f759394d0 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/ops_macros.rs @@ -0,0 +1,607 @@ +/// Implements a test on a unary operation using proptest. +/// +/// Compares the vector operation to the equivalent scalar operation. +#[macro_export] +macro_rules! impl_unary_op_test { + { $scalar:ty, $trait:ident :: $fn:ident, $scalar_fn:expr } => { + test_helpers::test_lanes! { + fn $fn<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &<core_simd::Simd<$scalar, LANES> as core::ops::$trait>::$fn, + &$scalar_fn, + &|_| true, + ); + } + } + }; + { $scalar:ty, $trait:ident :: $fn:ident } => { + impl_unary_op_test! { $scalar, $trait::$fn, <$scalar as core::ops::$trait>::$fn } + }; +} + +/// Implements a test on a binary operation using proptest. +/// +/// Compares the vector operation to the equivalent scalar operation. +#[macro_export] +macro_rules! impl_binary_op_test { + { $scalar:ty, $trait:ident :: $fn:ident, $trait_assign:ident :: $fn_assign:ident, $scalar_fn:expr } => { + mod $fn { + use super::*; + use core_simd::Simd; + + test_helpers::test_lanes! { + fn normal<const LANES: usize>() { + test_helpers::test_binary_elementwise( + &<Simd<$scalar, LANES> as core::ops::$trait>::$fn, + &$scalar_fn, + &|_, _| true, + ); + } + + fn assign<const LANES: usize>() { + test_helpers::test_binary_elementwise( + &|mut a, b| { <Simd<$scalar, LANES> as core::ops::$trait_assign>::$fn_assign(&mut a, b); a }, + &$scalar_fn, + &|_, _| true, + ); + } + } + } + }; + { $scalar:ty, $trait:ident :: $fn:ident, $trait_assign:ident :: $fn_assign:ident } => { + impl_binary_op_test! { $scalar, $trait::$fn, $trait_assign::$fn_assign, <$scalar as core::ops::$trait>::$fn } + }; +} + +/// Implements a test on a binary operation using proptest. +/// +/// Like `impl_binary_op_test`, but allows providing a function for rejecting particular inputs +/// (like the `proptest_assume` macro). +/// +/// Compares the vector operation to the equivalent scalar operation. +#[macro_export] +macro_rules! impl_binary_checked_op_test { + { $scalar:ty, $trait:ident :: $fn:ident, $trait_assign:ident :: $fn_assign:ident, $scalar_fn:expr, $check_fn:expr } => { + mod $fn { + use super::*; + use core_simd::Simd; + + test_helpers::test_lanes! { + fn normal<const LANES: usize>() { + test_helpers::test_binary_elementwise( + &<Simd<$scalar, LANES> as core::ops::$trait>::$fn, + &$scalar_fn, + &|x, y| x.iter().zip(y.iter()).all(|(x, y)| $check_fn(*x, *y)), + ); + } + + fn assign<const LANES: usize>() { + test_helpers::test_binary_elementwise( + &|mut a, b| { <Simd<$scalar, LANES> as core::ops::$trait_assign>::$fn_assign(&mut a, b); a }, + &$scalar_fn, + &|x, y| x.iter().zip(y.iter()).all(|(x, y)| $check_fn(*x, *y)), + ) + } + } + } + }; + { $scalar:ty, $trait:ident :: $fn:ident, $trait_assign:ident :: $fn_assign:ident, $check_fn:expr } => { + impl_binary_checked_op_test! { $scalar, $trait::$fn, $trait_assign::$fn_assign, <$scalar as core::ops::$trait>::$fn, $check_fn } + }; +} + +#[macro_export] +macro_rules! impl_common_integer_tests { + { $vector:ident, $scalar:ident } => { + test_helpers::test_lanes! { + fn reduce_sum<const LANES: usize>() { + test_helpers::test_1(&|x| { + test_helpers::prop_assert_biteq! ( + $vector::<LANES>::from_array(x).reduce_sum(), + x.iter().copied().fold(0 as $scalar, $scalar::wrapping_add), + ); + Ok(()) + }); + } + + fn reduce_product<const LANES: usize>() { + test_helpers::test_1(&|x| { + test_helpers::prop_assert_biteq! ( + $vector::<LANES>::from_array(x).reduce_product(), + x.iter().copied().fold(1 as $scalar, $scalar::wrapping_mul), + ); + Ok(()) + }); + } + + fn reduce_and<const LANES: usize>() { + test_helpers::test_1(&|x| { + test_helpers::prop_assert_biteq! ( + $vector::<LANES>::from_array(x).reduce_and(), + x.iter().copied().fold(-1i8 as $scalar, <$scalar as core::ops::BitAnd>::bitand), + ); + Ok(()) + }); + } + + fn reduce_or<const LANES: usize>() { + test_helpers::test_1(&|x| { + test_helpers::prop_assert_biteq! ( + $vector::<LANES>::from_array(x).reduce_or(), + x.iter().copied().fold(0 as $scalar, <$scalar as core::ops::BitOr>::bitor), + ); + Ok(()) + }); + } + + fn reduce_xor<const LANES: usize>() { + test_helpers::test_1(&|x| { + test_helpers::prop_assert_biteq! ( + $vector::<LANES>::from_array(x).reduce_xor(), + x.iter().copied().fold(0 as $scalar, <$scalar as core::ops::BitXor>::bitxor), + ); + Ok(()) + }); + } + + fn reduce_max<const LANES: usize>() { + test_helpers::test_1(&|x| { + test_helpers::prop_assert_biteq! ( + $vector::<LANES>::from_array(x).reduce_max(), + x.iter().copied().max().unwrap(), + ); + Ok(()) + }); + } + + fn reduce_min<const LANES: usize>() { + test_helpers::test_1(&|x| { + test_helpers::prop_assert_biteq! ( + $vector::<LANES>::from_array(x).reduce_min(), + x.iter().copied().min().unwrap(), + ); + Ok(()) + }); + } + } + } +} + +/// Implement tests for signed integers. +#[macro_export] +macro_rules! impl_signed_tests { + { $scalar:tt } => { + mod $scalar { + use core_simd::simd::SimdInt; + type Vector<const LANES: usize> = core_simd::Simd<Scalar, LANES>; + type Scalar = $scalar; + + impl_common_integer_tests! { Vector, Scalar } + + test_helpers::test_lanes! { + fn neg<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &<Vector::<LANES> as core::ops::Neg>::neg, + &<Scalar as core::ops::Neg>::neg, + &|x| !x.contains(&Scalar::MIN), + ); + } + + fn is_positive<const LANES: usize>() { + test_helpers::test_unary_mask_elementwise( + &Vector::<LANES>::is_positive, + &Scalar::is_positive, + &|_| true, + ); + } + + fn is_negative<const LANES: usize>() { + test_helpers::test_unary_mask_elementwise( + &Vector::<LANES>::is_negative, + &Scalar::is_negative, + &|_| true, + ); + } + + fn signum<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::signum, + &Scalar::signum, + &|_| true, + ) + } + + fn div_min_may_overflow<const LANES: usize>() { + let a = Vector::<LANES>::splat(Scalar::MIN); + let b = Vector::<LANES>::splat(-1); + assert_eq!(a / b, a); + } + + fn rem_min_may_overflow<const LANES: usize>() { + let a = Vector::<LANES>::splat(Scalar::MIN); + let b = Vector::<LANES>::splat(-1); + assert_eq!(a % b, Vector::<LANES>::splat(0)); + } + + fn simd_min<const LANES: usize>() { + use core_simd::simd::SimdOrd; + let a = Vector::<LANES>::splat(Scalar::MIN); + let b = Vector::<LANES>::splat(0); + assert_eq!(a.simd_min(b), a); + let a = Vector::<LANES>::splat(Scalar::MAX); + let b = Vector::<LANES>::splat(0); + assert_eq!(a.simd_min(b), b); + } + + fn simd_max<const LANES: usize>() { + use core_simd::simd::SimdOrd; + let a = Vector::<LANES>::splat(Scalar::MIN); + let b = Vector::<LANES>::splat(0); + assert_eq!(a.simd_max(b), b); + let a = Vector::<LANES>::splat(Scalar::MAX); + let b = Vector::<LANES>::splat(0); + assert_eq!(a.simd_max(b), a); + } + + fn simd_clamp<const LANES: usize>() { + use core_simd::simd::SimdOrd; + let min = Vector::<LANES>::splat(Scalar::MIN); + let max = Vector::<LANES>::splat(Scalar::MAX); + let zero = Vector::<LANES>::splat(0); + let one = Vector::<LANES>::splat(1); + let negone = Vector::<LANES>::splat(-1); + assert_eq!(zero.simd_clamp(min, max), zero); + assert_eq!(zero.simd_clamp(min, one), zero); + assert_eq!(zero.simd_clamp(one, max), one); + assert_eq!(zero.simd_clamp(min, negone), negone); + } + } + + test_helpers::test_lanes_panic! { + fn div_by_all_zeros_panics<const LANES: usize>() { + let a = Vector::<LANES>::splat(42); + let b = Vector::<LANES>::splat(0); + let _ = a / b; + } + + fn div_by_one_zero_panics<const LANES: usize>() { + let a = Vector::<LANES>::splat(42); + let mut b = Vector::<LANES>::splat(21); + b[0] = 0 as _; + let _ = a / b; + } + + fn rem_zero_panic<const LANES: usize>() { + let a = Vector::<LANES>::splat(42); + let b = Vector::<LANES>::splat(0); + let _ = a % b; + } + } + + test_helpers::test_lanes! { + fn div_neg_one_no_panic<const LANES: usize>() { + let a = Vector::<LANES>::splat(42); + let b = Vector::<LANES>::splat(-1); + let _ = a / b; + } + + fn rem_neg_one_no_panic<const LANES: usize>() { + let a = Vector::<LANES>::splat(42); + let b = Vector::<LANES>::splat(-1); + let _ = a % b; + } + } + + impl_binary_op_test!(Scalar, Add::add, AddAssign::add_assign, Scalar::wrapping_add); + impl_binary_op_test!(Scalar, Sub::sub, SubAssign::sub_assign, Scalar::wrapping_sub); + impl_binary_op_test!(Scalar, Mul::mul, MulAssign::mul_assign, Scalar::wrapping_mul); + + // Exclude Div and Rem panicking cases + impl_binary_checked_op_test!(Scalar, Div::div, DivAssign::div_assign, Scalar::wrapping_div, |x, y| y != 0 && !(x == Scalar::MIN && y == -1)); + impl_binary_checked_op_test!(Scalar, Rem::rem, RemAssign::rem_assign, Scalar::wrapping_rem, |x, y| y != 0 && !(x == Scalar::MIN && y == -1)); + + impl_unary_op_test!(Scalar, Not::not); + impl_binary_op_test!(Scalar, BitAnd::bitand, BitAndAssign::bitand_assign); + impl_binary_op_test!(Scalar, BitOr::bitor, BitOrAssign::bitor_assign); + impl_binary_op_test!(Scalar, BitXor::bitxor, BitXorAssign::bitxor_assign); + } + } +} + +/// Implement tests for unsigned integers. +#[macro_export] +macro_rules! impl_unsigned_tests { + { $scalar:tt } => { + mod $scalar { + use core_simd::simd::SimdUint; + type Vector<const LANES: usize> = core_simd::Simd<Scalar, LANES>; + type Scalar = $scalar; + + impl_common_integer_tests! { Vector, Scalar } + + test_helpers::test_lanes_panic! { + fn rem_zero_panic<const LANES: usize>() { + let a = Vector::<LANES>::splat(42); + let b = Vector::<LANES>::splat(0); + let _ = a % b; + } + } + + impl_binary_op_test!(Scalar, Add::add, AddAssign::add_assign, Scalar::wrapping_add); + impl_binary_op_test!(Scalar, Sub::sub, SubAssign::sub_assign, Scalar::wrapping_sub); + impl_binary_op_test!(Scalar, Mul::mul, MulAssign::mul_assign, Scalar::wrapping_mul); + + // Exclude Div and Rem panicking cases + impl_binary_checked_op_test!(Scalar, Div::div, DivAssign::div_assign, Scalar::wrapping_div, |_, y| y != 0); + impl_binary_checked_op_test!(Scalar, Rem::rem, RemAssign::rem_assign, Scalar::wrapping_rem, |_, y| y != 0); + + impl_unary_op_test!(Scalar, Not::not); + impl_binary_op_test!(Scalar, BitAnd::bitand, BitAndAssign::bitand_assign); + impl_binary_op_test!(Scalar, BitOr::bitor, BitOrAssign::bitor_assign); + impl_binary_op_test!(Scalar, BitXor::bitxor, BitXorAssign::bitxor_assign); + } + } +} + +/// Implement tests for floating point numbers. +#[macro_export] +macro_rules! impl_float_tests { + { $scalar:tt, $int_scalar:tt } => { + mod $scalar { + use core_simd::SimdFloat; + type Vector<const LANES: usize> = core_simd::Simd<Scalar, LANES>; + type Scalar = $scalar; + + impl_unary_op_test!(Scalar, Neg::neg); + impl_binary_op_test!(Scalar, Add::add, AddAssign::add_assign); + impl_binary_op_test!(Scalar, Sub::sub, SubAssign::sub_assign); + impl_binary_op_test!(Scalar, Mul::mul, MulAssign::mul_assign); + impl_binary_op_test!(Scalar, Div::div, DivAssign::div_assign); + impl_binary_op_test!(Scalar, Rem::rem, RemAssign::rem_assign); + + test_helpers::test_lanes! { + fn is_sign_positive<const LANES: usize>() { + test_helpers::test_unary_mask_elementwise( + &Vector::<LANES>::is_sign_positive, + &Scalar::is_sign_positive, + &|_| true, + ); + } + + fn is_sign_negative<const LANES: usize>() { + test_helpers::test_unary_mask_elementwise( + &Vector::<LANES>::is_sign_negative, + &Scalar::is_sign_negative, + &|_| true, + ); + } + + fn is_finite<const LANES: usize>() { + test_helpers::test_unary_mask_elementwise( + &Vector::<LANES>::is_finite, + &Scalar::is_finite, + &|_| true, + ); + } + + fn is_infinite<const LANES: usize>() { + test_helpers::test_unary_mask_elementwise( + &Vector::<LANES>::is_infinite, + &Scalar::is_infinite, + &|_| true, + ); + } + + fn is_nan<const LANES: usize>() { + test_helpers::test_unary_mask_elementwise( + &Vector::<LANES>::is_nan, + &Scalar::is_nan, + &|_| true, + ); + } + + fn is_normal<const LANES: usize>() { + test_helpers::test_unary_mask_elementwise( + &Vector::<LANES>::is_normal, + &Scalar::is_normal, + &|_| true, + ); + } + + fn is_subnormal<const LANES: usize>() { + test_helpers::test_unary_mask_elementwise( + &Vector::<LANES>::is_subnormal, + &Scalar::is_subnormal, + &|_| true, + ); + } + + fn abs<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::abs, + &Scalar::abs, + &|_| true, + ) + } + + fn recip<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::recip, + &Scalar::recip, + &|_| true, + ) + } + + fn to_degrees<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::to_degrees, + &Scalar::to_degrees, + &|_| true, + ) + } + + fn to_radians<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::to_radians, + &Scalar::to_radians, + &|_| true, + ) + } + + fn signum<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::signum, + &Scalar::signum, + &|_| true, + ) + } + + fn copysign<const LANES: usize>() { + test_helpers::test_binary_elementwise( + &Vector::<LANES>::copysign, + &Scalar::copysign, + &|_, _| true, + ) + } + + fn simd_min<const LANES: usize>() { + // Regular conditions (both values aren't zero) + test_helpers::test_binary_elementwise( + &Vector::<LANES>::simd_min, + &Scalar::min, + // Reject the case where both values are zero with different signs + &|a, b| { + for (a, b) in a.iter().zip(b.iter()) { + if *a == 0. && *b == 0. && a.signum() != b.signum() { + return false; + } + } + true + } + ); + + // Special case where both values are zero + let p_zero = Vector::<LANES>::splat(0.); + let n_zero = Vector::<LANES>::splat(-0.); + assert!(p_zero.simd_min(n_zero).to_array().iter().all(|x| *x == 0.)); + assert!(n_zero.simd_min(p_zero).to_array().iter().all(|x| *x == 0.)); + } + + fn simd_max<const LANES: usize>() { + // Regular conditions (both values aren't zero) + test_helpers::test_binary_elementwise( + &Vector::<LANES>::simd_max, + &Scalar::max, + // Reject the case where both values are zero with different signs + &|a, b| { + for (a, b) in a.iter().zip(b.iter()) { + if *a == 0. && *b == 0. && a.signum() != b.signum() { + return false; + } + } + true + } + ); + + // Special case where both values are zero + let p_zero = Vector::<LANES>::splat(0.); + let n_zero = Vector::<LANES>::splat(-0.); + assert!(p_zero.simd_max(n_zero).to_array().iter().all(|x| *x == 0.)); + assert!(n_zero.simd_max(p_zero).to_array().iter().all(|x| *x == 0.)); + } + + fn simd_clamp<const LANES: usize>() { + test_helpers::test_3(&|value: [Scalar; LANES], mut min: [Scalar; LANES], mut max: [Scalar; LANES]| { + for (min, max) in min.iter_mut().zip(max.iter_mut()) { + if max < min { + core::mem::swap(min, max); + } + if min.is_nan() { + *min = Scalar::NEG_INFINITY; + } + if max.is_nan() { + *max = Scalar::INFINITY; + } + } + + let mut result_scalar = [Scalar::default(); LANES]; + for i in 0..LANES { + result_scalar[i] = value[i].clamp(min[i], max[i]); + } + let result_vector = Vector::from_array(value).simd_clamp(min.into(), max.into()).to_array(); + test_helpers::prop_assert_biteq!(result_scalar, result_vector); + Ok(()) + }) + } + + fn reduce_sum<const LANES: usize>() { + test_helpers::test_1(&|x| { + test_helpers::prop_assert_biteq! ( + Vector::<LANES>::from_array(x).reduce_sum(), + x.iter().sum(), + ); + Ok(()) + }); + } + + fn reduce_product<const LANES: usize>() { + test_helpers::test_1(&|x| { + test_helpers::prop_assert_biteq! ( + Vector::<LANES>::from_array(x).reduce_product(), + x.iter().product(), + ); + Ok(()) + }); + } + + fn reduce_max<const LANES: usize>() { + test_helpers::test_1(&|x| { + let vmax = Vector::<LANES>::from_array(x).reduce_max(); + let smax = x.iter().copied().fold(Scalar::NAN, Scalar::max); + // 0 and -0 are treated the same + if !(x.contains(&0.) && x.contains(&-0.) && vmax.abs() == 0. && smax.abs() == 0.) { + test_helpers::prop_assert_biteq!(vmax, smax); + } + Ok(()) + }); + } + + fn reduce_min<const LANES: usize>() { + test_helpers::test_1(&|x| { + let vmax = Vector::<LANES>::from_array(x).reduce_min(); + let smax = x.iter().copied().fold(Scalar::NAN, Scalar::min); + // 0 and -0 are treated the same + if !(x.contains(&0.) && x.contains(&-0.) && vmax.abs() == 0. && smax.abs() == 0.) { + test_helpers::prop_assert_biteq!(vmax, smax); + } + Ok(()) + }); + } + } + + #[cfg(feature = "std")] + mod std { + use std_float::StdFloat; + + use super::*; + test_helpers::test_lanes! { + fn sqrt<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::sqrt, + &Scalar::sqrt, + &|_| true, + ) + } + + fn mul_add<const LANES: usize>() { + test_helpers::test_ternary_elementwise( + &Vector::<LANES>::mul_add, + &Scalar::mul_add, + &|_, _, _| true, + ) + } + } + } + } + } +} diff --git a/library/portable-simd/crates/core_simd/tests/round.rs b/library/portable-simd/crates/core_simd/tests/round.rs new file mode 100644 index 000000000..484fd5bf4 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/round.rs @@ -0,0 +1,85 @@ +#![feature(portable_simd)] + +macro_rules! float_rounding_test { + { $scalar:tt, $int_scalar:tt } => { + mod $scalar { + use std_float::StdFloat; + + type Vector<const LANES: usize> = core_simd::Simd<$scalar, LANES>; + type Scalar = $scalar; + type IntScalar = $int_scalar; + + test_helpers::test_lanes! { + fn ceil<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::ceil, + &Scalar::ceil, + &|_| true, + ) + } + + fn floor<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::floor, + &Scalar::floor, + &|_| true, + ) + } + + fn round<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::round, + &Scalar::round, + &|_| true, + ) + } + + fn trunc<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::trunc, + &Scalar::trunc, + &|_| true, + ) + } + + fn fract<const LANES: usize>() { + test_helpers::test_unary_elementwise( + &Vector::<LANES>::fract, + &Scalar::fract, + &|_| true, + ) + } + } + + test_helpers::test_lanes! { + fn to_int_unchecked<const LANES: usize>() { + // The maximum integer that can be represented by the equivalently sized float has + // all of the mantissa digits set to 1, pushed up to the MSB. + const ALL_MANTISSA_BITS: IntScalar = ((1 << <Scalar>::MANTISSA_DIGITS) - 1); + const MAX_REPRESENTABLE_VALUE: Scalar = + (ALL_MANTISSA_BITS << (core::mem::size_of::<Scalar>() * 8 - <Scalar>::MANTISSA_DIGITS as usize - 1)) as Scalar; + + let mut runner = test_helpers::make_runner(); + runner.run( + &test_helpers::array::UniformArrayStrategy::new(-MAX_REPRESENTABLE_VALUE..MAX_REPRESENTABLE_VALUE), + |x| { + let result_1 = unsafe { Vector::from_array(x).to_int_unchecked::<IntScalar>().to_array() }; + let result_2 = { + let mut result: [IntScalar; LANES] = [0; LANES]; + for (i, o) in x.iter().zip(result.iter_mut()) { + *o = unsafe { i.to_int_unchecked::<IntScalar>() }; + } + result + }; + test_helpers::prop_assert_biteq!(result_1, result_2); + Ok(()) + }, + ).unwrap(); + } + } + } + } +} + +float_rounding_test! { f32, i32 } +float_rounding_test! { f64, i64 } diff --git a/library/portable-simd/crates/core_simd/tests/swizzle.rs b/library/portable-simd/crates/core_simd/tests/swizzle.rs new file mode 100644 index 000000000..51c63611a --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/swizzle.rs @@ -0,0 +1,62 @@ +#![feature(portable_simd)] +use core_simd::{Simd, Swizzle}; + +#[cfg(target_arch = "wasm32")] +use wasm_bindgen_test::*; + +#[cfg(target_arch = "wasm32")] +wasm_bindgen_test_configure!(run_in_browser); + +#[test] +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] +fn swizzle() { + struct Index; + impl Swizzle<4, 4> for Index { + const INDEX: [usize; 4] = [2, 1, 3, 0]; + } + impl Swizzle<4, 2> for Index { + const INDEX: [usize; 2] = [1, 1]; + } + + let vector = Simd::from_array([2, 4, 1, 9]); + assert_eq!(Index::swizzle(vector).to_array(), [1, 4, 9, 2]); + assert_eq!(Index::swizzle(vector).to_array(), [4, 4]); +} + +#[test] +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] +fn reverse() { + let a = Simd::from_array([1, 2, 3, 4]); + assert_eq!(a.reverse().to_array(), [4, 3, 2, 1]); +} + +#[test] +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] +fn rotate() { + let a = Simd::from_array([1, 2, 3, 4]); + assert_eq!(a.rotate_lanes_left::<0>().to_array(), [1, 2, 3, 4]); + assert_eq!(a.rotate_lanes_left::<1>().to_array(), [2, 3, 4, 1]); + assert_eq!(a.rotate_lanes_left::<2>().to_array(), [3, 4, 1, 2]); + assert_eq!(a.rotate_lanes_left::<3>().to_array(), [4, 1, 2, 3]); + assert_eq!(a.rotate_lanes_left::<4>().to_array(), [1, 2, 3, 4]); + assert_eq!(a.rotate_lanes_left::<5>().to_array(), [2, 3, 4, 1]); + assert_eq!(a.rotate_lanes_right::<0>().to_array(), [1, 2, 3, 4]); + assert_eq!(a.rotate_lanes_right::<1>().to_array(), [4, 1, 2, 3]); + assert_eq!(a.rotate_lanes_right::<2>().to_array(), [3, 4, 1, 2]); + assert_eq!(a.rotate_lanes_right::<3>().to_array(), [2, 3, 4, 1]); + assert_eq!(a.rotate_lanes_right::<4>().to_array(), [1, 2, 3, 4]); + assert_eq!(a.rotate_lanes_right::<5>().to_array(), [4, 1, 2, 3]); +} + +#[test] +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] +fn interleave() { + let a = Simd::from_array([0, 1, 2, 3, 4, 5, 6, 7]); + let b = Simd::from_array([8, 9, 10, 11, 12, 13, 14, 15]); + let (lo, hi) = a.interleave(b); + assert_eq!(lo.to_array(), [0, 8, 1, 9, 2, 10, 3, 11]); + assert_eq!(hi.to_array(), [4, 12, 5, 13, 6, 14, 7, 15]); + let (even, odd) = lo.deinterleave(hi); + assert_eq!(even, a); + assert_eq!(odd, b); +} diff --git a/library/portable-simd/crates/core_simd/tests/to_bytes.rs b/library/portable-simd/crates/core_simd/tests/to_bytes.rs new file mode 100644 index 000000000..debb4335e --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/to_bytes.rs @@ -0,0 +1,14 @@ +#![feature(portable_simd, generic_const_exprs, adt_const_params)] +#![allow(incomplete_features)] +#![cfg(feature = "generic_const_exprs")] + +use core_simd::Simd; + +#[test] +fn byte_convert() { + let int = Simd::<u32, 2>::from_array([0xdeadbeef, 0x8badf00d]); + let bytes = int.to_ne_bytes(); + assert_eq!(int[0].to_ne_bytes(), bytes[..4]); + assert_eq!(int[1].to_ne_bytes(), bytes[4..]); + assert_eq!(Simd::<u32, 2>::from_ne_bytes(bytes), int); +} diff --git a/library/portable-simd/crates/core_simd/tests/u16_ops.rs b/library/portable-simd/crates/core_simd/tests/u16_ops.rs new file mode 100644 index 000000000..9ae3bd6a4 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/u16_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_unsigned_tests! { u16 } diff --git a/library/portable-simd/crates/core_simd/tests/u32_ops.rs b/library/portable-simd/crates/core_simd/tests/u32_ops.rs new file mode 100644 index 000000000..de34b73d6 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/u32_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_unsigned_tests! { u32 } diff --git a/library/portable-simd/crates/core_simd/tests/u64_ops.rs b/library/portable-simd/crates/core_simd/tests/u64_ops.rs new file mode 100644 index 000000000..8ee5a318c --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/u64_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_unsigned_tests! { u64 } diff --git a/library/portable-simd/crates/core_simd/tests/u8_ops.rs b/library/portable-simd/crates/core_simd/tests/u8_ops.rs new file mode 100644 index 000000000..6d7211121 --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/u8_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_unsigned_tests! { u8 } diff --git a/library/portable-simd/crates/core_simd/tests/usize_ops.rs b/library/portable-simd/crates/core_simd/tests/usize_ops.rs new file mode 100644 index 000000000..9c7b1687a --- /dev/null +++ b/library/portable-simd/crates/core_simd/tests/usize_ops.rs @@ -0,0 +1,5 @@ +#![feature(portable_simd)] + +#[macro_use] +mod ops_macros; +impl_unsigned_tests! { usize } |