fix clip_grad bug (#71895)

wanghuancoder · web-flow · commit a44e9f1bbc6d · 2025-03-26T11:03:05.000+08:00
* fix clip_grad bug
diff --git a/paddle/phi/kernels/impl/clip_grad_kernel_impl.h b/paddle/phi/kernels/impl/clip_grad_kernel_impl.h
@@ -29,7 +29,7 @@ class ClipGradFunctor {
  public:
   explicit ClipGradFunctor(const T min, const T max) : min_(min), max_(max) {}
   HOSTDEVICE T operator()(const T x, const T y) const {
-    return (y > min_ && y < max_) ? x : static_cast<T>(0);
+    return (y >= min_ && y <= max_) ? x : static_cast<T>(0);
   }
 
  private:

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ class ClipGradFunctor {`
`29`	`29`	`public:`
`30`	`30`	`explicit ClipGradFunctor(const T min, const T max) : min_(min), max_(max) {}`
`31`	`31`	`HOSTDEVICE T operator()(const T x, const T y) const {`
`32`		`- return (y > min_ && y < max_) ? x : static_cast<T>(0);`
	`32`	`+ return (y >= min_ && y <= max_) ? x : static_cast<T>(0);`
`33`	`33`	`}`
`34`	`34`
`35`	`35`	`private:`