if an parameter is nan, then returns another parameter.
Signed-off-by: Homer Hsing <[email protected]>
---
backend/src/ocl_stdlib.tmpl.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/backend/src/ocl_stdlib.tmpl.h b/backend/src/ocl_stdlib.tmpl.h
index bff2b1c..ec9ed60 100644
--- a/backend/src/ocl_stdlib.tmpl.h
+++ b/backend/src/ocl_stdlib.tmpl.h
@@ -1621,6 +1621,10 @@ INLINE_OVERLOADABLE float step(float edge, float x) {
#define DECL_MIN_MAX_CLAMP(TYPE) \
INLINE_OVERLOADABLE TYPE max(TYPE a, TYPE b) { \
+ if (isnan(a)) \
+ return b; \
+ if (isnan(b)) \
+ return a; \
return a > b ? a : b; \
} \
INLINE_OVERLOADABLE TYPE min(TYPE a, TYPE b) { \
--
1.8.3.2
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