check whether input is NaN. fix the code if input is inf
Signed-off-by: Homer Hsing <[email protected]>
---
backend/src/ocl_stdlib.tmpl.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/backend/src/ocl_stdlib.tmpl.h b/backend/src/ocl_stdlib.tmpl.h
index 3f642b7..bedfe02 100644
--- a/backend/src/ocl_stdlib.tmpl.h
+++ b/backend/src/ocl_stdlib.tmpl.h
@@ -1747,7 +1747,11 @@ INLINE_OVERLOADABLE float
__gen_ocl_internal_minmag(float x, float y) {
}
INLINE_OVERLOADABLE float mix(float x, float y, float a) { return x + (y-x)*a;}
INLINE_OVERLOADABLE float __gen_ocl_internal_fdim(float x, float y) {
- return __gen_ocl_internal_fmax(x, y) - y;
+ if(isnan(x))
+ return x;
+ if(isnan(y))
+ return y;
+ return x > y ? (x - y) : +0.f;
}
#define BODY \
if (isnan(x)) { \
--
1.8.3.2
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