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Avoid some duplication using a macro + add some basic example to make debugging easier.

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This commit is contained in:
laurent
2023-06-21 10:08:41 +01:00
parent 8cde0c5478
commit b3eb57cd0a
2 changed files with 28 additions and 31 deletions
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9
examples/basics.rs Normal file
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@ -0,0 +1,9 @@
use anyhow::Result;
use candle::{Device, Tensor};
fn main() -> Result<()> {
let x = Tensor::var(&[3f32, 1., 4.], Device::Cpu)?;
let y = (((&x * &x)? + &x * 5f64)? + 4f64)?;
println!("{:?}", y.to_vec1::<f32>()?);
Ok(())
}

50
src/dtype.rs
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@ -27,38 +27,26 @@ pub trait WithDType: Sized + Copy {
fn cpu_storage_as_slice(s: &CpuStorage) -> Result<&[Self]>;
}
impl WithDType for f32 {
const DTYPE: DType = DType::F32;
macro_rules! with_dtype {
($ty:ty, $dtype:ident) => {
impl WithDType for $ty {
const DTYPE: DType = DType::$dtype;
fn to_cpu_storage_owned(data: Vec<Self>) -> CpuStorage {
CpuStorage::F32(data)
}
fn to_cpu_storage_owned(data: Vec<Self>) -> CpuStorage {
CpuStorage::$dtype(data)
}
fn cpu_storage_as_slice(s: &CpuStorage) -> Result<&[Self]> {
match s {
CpuStorage::F32(data) => Ok(data),
_ => Err(Error::UnexpectedDType {
expected: DType::F32,
got: s.dtype(),
}),
fn cpu_storage_as_slice(s: &CpuStorage) -> Result<&[Self]> {
match s {
CpuStorage::$dtype(data) => Ok(data),
_ => Err(Error::UnexpectedDType {
expected: DType::$dtype,
got: s.dtype(),
}),
}
}
}
}
}
impl WithDType for f64 {
const DTYPE: DType = DType::F64;
fn to_cpu_storage_owned(data: Vec<Self>) -> CpuStorage {
CpuStorage::F64(data)
}
fn cpu_storage_as_slice(s: &CpuStorage) -> Result<&[Self]> {
match s {
CpuStorage::F64(data) => Ok(data),
_ => Err(Error::UnexpectedDType {
expected: DType::F64,
got: s.dtype(),
}),
}
}
};
}
with_dtype!(f32, F32);
with_dtype!(f64, F64);