fix remainder*.c: remove useless long double cast

[musl] / src / math / remainderf.c

diff --git a/src/math/remainderf.c b/src/math/remainderf.c
index c17bb4f..7767103 100644 (file)
--- a/src/math/remainderf.c
+++ b/src/math/remainderf.c
@@ -15,8 +15,6 @@
 
 #include "libm.h"
 
-static const float zero = 0.0;
-
 float remainderf(float x, float p)
 {
        int32_t hx,hp;
@@ -30,16 +28,13 @@ float remainderf(float x, float p)
        hx &= 0x7fffffff;
 
        /* purge off exception values */
-       if (hp == 0)  /* p = 0 */
+       if (hp == 0 || hx >= 0x7f800000 || hp > 0x7f800000)  /* p = 0, x not finite, p is NaN */
                return (x*p)/(x*p);
-       if (hx >= 0x7f800000 || hp > 0x7f800000)  /* x not finite, p is NaN */
-               // FIXME: why long double?
-               return ((long double)x*p)/((long double)x*p);
 
        if (hp <= 0x7effffff)
                x = fmodf(x, p + p);  /* now x < 2p */
        if (hx - hp == 0)
-               return zero*x;
+               return 0.0f*x;
        x = fabsf(x);
        p = fabsf(p);
        if (hp < 0x01000000) {
@@ -49,7 +44,7 @@ float remainderf(float x, float p)
                                x -= p;
                }
        } else {
-               p_half = (float)0.5*p;
+               p_half = 0.5f*p;
                if (x > p_half) {
                        x -= p;
                        if (x >= p_half)