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-rw-r--r--src/mesa/main/macros.h21
1 files changed, 2 insertions, 19 deletions
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index 04d59d79c07..7b7fd1b6d76 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -693,31 +693,14 @@ NORMALIZE_3FV(GLfloat v[3])
static inline GLboolean
IS_NEGATIVE(float x)
{
-#if defined(USE_IEEE)
- fi_type fi;
- fi.f = x;
- return fi.i < 0;
-#else
- return x < 0.0F;
-#endif
+ return signbit(x) != 0;
}
-
/** Test two floats have opposite signs */
static inline GLboolean
DIFFERENT_SIGNS(GLfloat x, GLfloat y)
{
-#if defined(USE_IEEE)
- fi_type xfi, yfi;
- xfi.f = x;
- yfi.f = y;
- return !!((xfi.i ^ yfi.i) & (1u << 31));
-#else
- /* Could just use (x*y<0) except for the flatshading requirements.
- * Maybe there's a better way?
- */
- return ((x) * (y) <= 0.0F && (x) - (y) != 0.0F);
-#endif
+ return signbit(x) != signbit(y);
}