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use half::f16;
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum Kind {
Uint8,
Int8,
Int16,
Int,
Int64,
Half,
Float,
Double,
ComplexHalf,
ComplexFloat,
ComplexDouble,
Bool,
}
impl Kind {
pub(super) fn c_int(self) -> libc::c_int {
match self {
Kind::Uint8 => 0,
Kind::Int8 => 1,
Kind::Int16 => 2,
Kind::Int => 3,
Kind::Int64 => 4,
Kind::Half => 5,
Kind::Float => 6,
Kind::Double => 7,
Kind::ComplexHalf => 8,
Kind::ComplexFloat => 9,
Kind::ComplexDouble => 10,
Kind::Bool => 11,
}
}
pub(super) fn of_c_int(v: libc::c_int) -> Result<Kind, crate::TchError> {
match v {
0 => Ok(Kind::Uint8),
1 => Ok(Kind::Int8),
2 => Ok(Kind::Int16),
3 => Ok(Kind::Int),
4 => Ok(Kind::Int64),
5 => Ok(Kind::Half),
6 => Ok(Kind::Float),
7 => Ok(Kind::Double),
8 => Ok(Kind::ComplexHalf),
9 => Ok(Kind::ComplexFloat),
10 => Ok(Kind::ComplexDouble),
11 => Ok(Kind::Bool),
_ => Err(crate::TchError::UnknownKind(v)),
}
}
pub fn elt_size_in_bytes(self) -> usize {
match self {
Kind::Uint8 => 1,
Kind::Int8 => 1,
Kind::Int16 => 2,
Kind::Int => 4,
Kind::Int64 => 8,
Kind::Half => 2,
Kind::Float => 4,
Kind::Double => 8,
Kind::ComplexHalf => 4,
Kind::ComplexFloat => 8,
Kind::ComplexDouble => 16,
Kind::Bool => 1,
}
}
}
pub const FLOAT_CPU: (Kind, crate::Device) = (Kind::Float, crate::Device::Cpu);
pub const DOUBLE_CPU: (Kind, crate::Device) = (Kind::Double, crate::Device::Cpu);
pub const INT64_CPU: (Kind, crate::Device) = (Kind::Int64, crate::Device::Cpu);
pub const FLOAT_CUDA: (Kind, crate::Device) = (Kind::Float, crate::Device::Cuda(0));
pub const DOUBLE_CUDA: (Kind, crate::Device) = (Kind::Double, crate::Device::Cuda(0));
pub const INT64_CUDA: (Kind, crate::Device) = (Kind::Int64, crate::Device::Cuda(0));
pub trait Element {
const KIND: Kind;
}
impl Element for u8 {
const KIND: Kind = Kind::Uint8;
}
impl Element for i8 {
const KIND: Kind = Kind::Int8;
}
impl Element for i16 {
const KIND: Kind = Kind::Int16;
}
impl Element for i32 {
const KIND: Kind = Kind::Int;
}
impl Element for i64 {
const KIND: Kind = Kind::Int64;
}
impl Element for f16 {
const KIND: Kind = Kind::Half;
}
impl Element for f32 {
const KIND: Kind = Kind::Float;
}
impl Element for f64 {
const KIND: Kind = Kind::Double;
}
impl Element for bool {
const KIND: Kind = Kind::Bool;
}