use alternate formula for acos asm to avoid loss of precision

[oweals/musl.git] / src / math / modf.c

diff --git a/src/math/modf.c b/src/math/modf.c
index ff85b2a3113d0760395c935ac72aabb6d26ab7f5..cca3b652182c5e363fbd20a798db6c6a0becb9d9 100644 (file)
--- a/src/math/modf.c
+++ b/src/math/modf.c
@@ -21,8 +21,6 @@
 
 #include "libm.h"
 
-static const double one = 1.0;
-
 double modf(double x, double *iptr)
 {
        int32_t i0,i1,j0;
@@ -51,7 +49,7 @@ double modf(double x, double *iptr)
                        *iptr = x;
                        return 0.0 / x;
                }
-               *iptr = x*one;
+               *iptr = x;
                GET_HIGH_WORD(high, x);
                INSERT_WORDS(x, high & 0x80000000, 0);  /* return +-0 */
                return x;