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|
macro_rules! number {
{ 1 } => { "one" };
{ 2 } => { "two" };
{ 4 } => { "four" };
{ 8 } => { "eight" };
{ $x:literal } => { stringify!($x) };
}
macro_rules! plural {
{ 1 } => { "" };
{ $x:literal } => { "s" };
}
macro_rules! alias {
{
$(
$element_ty:ty = {
$($alias:ident $num_elements:tt)*
}
)*
} => {
$(
$(
#[doc = concat!("A SIMD vector with ", number!($num_elements), " element", plural!($num_elements), " of type [`", stringify!($element_ty), "`].")]
#[allow(non_camel_case_types)]
pub type $alias = $crate::simd::Simd<$element_ty, $num_elements>;
)*
)*
}
}
macro_rules! mask_alias {
{
$(
$element_ty:ty : $size:literal = {
$($alias:ident $num_elements:tt)*
}
)*
} => {
$(
$(
#[doc = concat!("A SIMD mask with ", number!($num_elements), " element", plural!($num_elements), " for vectors with ", $size, " element types.")]
///
#[doc = concat!(
"The layout of this type is unspecified, and may change between platforms and/or Rust versions, and code should not assume that it is equivalent to `[",
stringify!($element_ty), "; ", $num_elements, "]`."
)]
#[allow(non_camel_case_types)]
pub type $alias = $crate::simd::Mask<$element_ty, $num_elements>;
)*
)*
}
}
alias! {
i8 = {
i8x1 1
i8x2 2
i8x4 4
i8x8 8
i8x16 16
i8x32 32
i8x64 64
}
i16 = {
i16x1 1
i16x2 2
i16x4 4
i16x8 8
i16x16 16
i16x32 32
i16x64 64
}
i32 = {
i32x1 1
i32x2 2
i32x4 4
i32x8 8
i32x16 16
i32x32 32
i32x64 64
}
i64 = {
i64x1 1
i64x2 2
i64x4 4
i64x8 8
i64x16 16
i64x32 32
i64x64 64
}
isize = {
isizex1 1
isizex2 2
isizex4 4
isizex8 8
isizex16 16
isizex32 32
isizex64 64
}
u8 = {
u8x1 1
u8x2 2
u8x4 4
u8x8 8
u8x16 16
u8x32 32
u8x64 64
}
u16 = {
u16x1 1
u16x2 2
u16x4 4
u16x8 8
u16x16 16
u16x32 32
u16x64 64
}
u32 = {
u32x1 1
u32x2 2
u32x4 4
u32x8 8
u32x16 16
u32x32 32
u32x64 64
}
u64 = {
u64x1 1
u64x2 2
u64x4 4
u64x8 8
u64x16 16
u64x32 32
u64x64 64
}
usize = {
usizex1 1
usizex2 2
usizex4 4
usizex8 8
usizex16 16
usizex32 32
usizex64 64
}
f32 = {
f32x1 1
f32x2 2
f32x4 4
f32x8 8
f32x16 16
f32x32 32
f32x64 64
}
f64 = {
f64x1 1
f64x2 2
f64x4 4
f64x8 8
f64x16 16
f64x32 32
f64x64 64
}
}
mask_alias! {
i8 : "8-bit" = {
mask8x1 1
mask8x2 2
mask8x4 4
mask8x8 8
mask8x16 16
mask8x32 32
mask8x64 64
}
i16 : "16-bit" = {
mask16x1 1
mask16x2 2
mask16x4 4
mask16x8 8
mask16x16 16
mask16x32 32
mask16x64 64
}
i32 : "32-bit" = {
mask32x1 1
mask32x2 2
mask32x4 4
mask32x8 8
mask32x16 16
mask32x32 32
mask32x64 64
}
i64 : "64-bit" = {
mask64x1 1
mask64x2 2
mask64x4 4
mask64x8 8
mask64x16 16
mask64x32 32
mask64x64 64
}
isize : "pointer-sized" = {
masksizex1 1
masksizex2 2
masksizex4 4
masksizex8 8
masksizex16 16
masksizex32 32
masksizex64 64
}
}
|