code cleanup of named constants

[musl] / src / math / log1pf.c

diff --git a/src/math/log1pf.c b/src/math/log1pf.c
index 75eeb37..39832d2 100644 (file)
--- a/src/math/log1pf.c
+++ b/src/math/log1pf.c
@@ -27,8 +27,6 @@ Lp5 = 1.8183572590e-01, /* 3E3A3325 */
 Lp6 = 1.5313838422e-01, /* 3E1CD04F */
 Lp7 = 1.4798198640e-01; /* 3E178897 */
 
-static const float zero = 0.0;
-
 float log1pf(float x)
 {
        float hfsq,f,c,s,z,R,u;
@@ -41,12 +39,12 @@ float log1pf(float x)
        if (hx < 0x3ed413d0) {  /* 1+x < sqrt(2)+  */
                if (ax >= 0x3f800000) {  /* x <= -1.0 */
                        if (x == -1.0f)
-                               return -two25/zero; /* log1p(-1)=+inf */
+                               return -two25/0.0f; /* log1p(-1)=+inf */
                        return (x-x)/(x-x);         /* log1p(x<-1)=NaN */
                }
                if (ax < 0x38000000) {   /* |x| < 2**-15 */
                        /* raise inexact */
-                       if (two25 + x > zero && ax < 0x33800000)  /* |x| < 2**-24 */
+                       if (two25 + x > 0.0f && ax < 0x33800000)  /* |x| < 2**-24 */
                                return x;
                        return x - x*x*0.5f;
                }
@@ -91,9 +89,9 @@ float log1pf(float x)
        }
        hfsq = 0.5f * f * f;
        if (hu == 0) {  /* |f| < 2**-20 */
-               if (f == zero) {
+               if (f == 0.0f) {
                        if (k == 0)
-                               return zero;
+                               return 0.0f;
                        c += k*ln2_lo;
                        return k*ln2_hi+c;
                }