X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Ffmaf.c;h=a1c7f4f83df1e3bb0f6c67c37765345db5be4feb;hb=71955b2ff88b40446611142429416536c709c961;hp=0dccf108471875e048b210e31408ef9525a23744;hpb=b69f695acedd4ce2798ef9ea28d834ceccc789bd;p=musl

diff --git a/src/math/fmaf.c b/src/math/fmaf.c
index 0dccf108..a1c7f4f8 100644
--- a/src/math/fmaf.c
+++ b/src/math/fmaf.c
@@ -37,6 +37,7 @@
  */
 float fmaf(float x, float y, float z)
 {
+	#pragma STDC FENV_ACCESS ON
 	double xy, result;
 	uint32_t hr, lr;
 
@@ -54,7 +55,9 @@ float fmaf(float x, float y, float z)
 	 * If result is inexact, and exactly halfway between two float values,
 	 * we need to adjust the low-order bit in the direction of the error.
 	 */
+#ifdef FE_TOWARDZERO
 	fesetround(FE_TOWARDZERO);
+#endif
 	volatile double vxy = xy;  /* XXX work around gcc CSE bug */
 	double adjusted_result = vxy + z;
 	fesetround(FE_TONEAREST);