code cleanup of named constants

[musl] / src / math / logf.c

diff --git a/src/math/logf.c b/src/math/logf.c
index a4ed697..c7f7dbe 100644 (file)
--- a/src/math/logf.c
+++ b/src/math/logf.c
@@ -25,8 +25,6 @@ Lg2 = 0xccce13.0p-25, /* 0.40000972152 */
 Lg3 = 0x91e9ee.0p-25, /* 0.28498786688 */
 Lg4 = 0xf89e26.0p-26; /* 0.24279078841 */
 
-static const float zero = 0.0;
-
 float logf(float x)
 {
        float hfsq,f,s,z,R,w,t1,t2,dk;
@@ -37,9 +35,9 @@ float logf(float x)
        k = 0;
        if (ix < 0x00800000) {  /* x < 2**-126  */
                if ((ix & 0x7fffffff) == 0)
-                       return -two25/zero;  /* log(+-0)=-inf */
+                       return -two25/0.0f;  /* log(+-0)=-inf */
                if (ix < 0)
-                       return (x-x)/zero;   /* log(-#) = NaN */
+                       return (x-x)/0.0f;   /* log(-#) = NaN */
                /* subnormal number, scale up x */
                k -= 25;
                x *= two25;
@@ -54,9 +52,9 @@ float logf(float x)
        k += i>>23;
        f = x - 1.0f;
        if ((0x007fffff & (0x8000 + ix)) < 0xc000) {  /* -2**-9 <= f < 2**-9 */
-               if (f == zero) {
+               if (f == 0.0f) {
                        if (k == 0)
-                               return zero;
+                               return 0.0f;
                        dk = (float)k;
                        return dk*ln2_hi + dk*ln2_lo;
                }