math: use '#pragma STDC FENV_ACCESS ON' when fenv is accessed

[musl] / src / math / fma.c

diff --git a/src/math/fma.c b/src/math/fma.c
index 7076d4b..17f1cdc 100644 (file)
--- a/src/math/fma.c
+++ b/src/math/fma.c
@@ -89,6 +89,7 @@ static int getexp(long double x)
 
 double fma(double x, double y, double z)
 {
+       #pragma STDC FENV_ACCESS ON
        long double hi, lo1, lo2, xy;
        int round, ez, exy;
 
@@ -306,6 +307,7 @@ static inline struct dd dd_mul(double a, double b)
  */
 double fma(double x, double y, double z)
 {
+       #pragma STDC FENV_ACCESS ON
        double xs, ys, zs, adj;
        struct dd xy, r;
        int oround;