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Add backtrace information to errors where relevant. (#166)

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* Add backtrace information to errors where relevant.

* More backtrace information.

* Add to the FAQ.
This commit is contained in:
Laurent Mazare
2023-07-14 09:31:25 +01:00
committed by GitHub
parent a2f72edc0d
commit d88b6cdca9
11 changed files with 153 additions and 73 deletions
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13
candle-core/src/variable.rs
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@ -9,6 +9,12 @@ use crate::{DType, Device, Error, Result, Shape, Tensor};
#[derive(Clone, Debug)]
pub struct Var(Tensor);
impl std::fmt::Display for Var {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(&self.0, f)
}
}
impl std::ops::Deref for Var {
type Target = Tensor;
@ -90,12 +96,12 @@ impl Var {
pub fn set(&self, src: &Tensor) -> Result<()> {
if self.same_storage(src) {
let msg = "cannot set a variable to a tensor that is derived from its value";
Err(Error::CannotSetVar { msg })?
Err(Error::CannotSetVar { msg }.bt())?
}
let (mut dst, layout) = self.storage_mut_and_layout();
if !layout.is_contiguous() {
let msg = "cannot set a non-contiguous variable";
Err(Error::CannotSetVar { msg })?
Err(Error::CannotSetVar { msg }.bt())?
}
let (src, src_l) = src.storage_and_layout();
if layout.shape() != src_l.shape() {
@ -103,7 +109,8 @@ impl Var {
lhs: layout.shape().clone(),
rhs: src_l.shape().clone(),
op: "set",
})?
}
.bt())?
}
src.copy_strided_src(&mut dst, layout.start_offset(), src_l)?;
Ok(())