code cleanup of named constants

[musl] / src / math / coshf.c

diff --git a/src/math/coshf.c b/src/math/coshf.c
index 9e87afc..97318f1 100644 (file)
--- a/src/math/coshf.c
+++ b/src/math/coshf.c
@@ -15,7 +15,7 @@
 
 #include "libm.h"
 
-static const float one = 1.0, half = 0.5, huge = 1.0e30;
+static const float huge = 1.0e30;
 
 float coshf(float x)
 {
@@ -32,21 +32,21 @@ float coshf(float x)
        /* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
        if (ix < 0x3eb17218) {
                t = expm1f(fabsf(x));
-               w = one+t;
+               w = 1.0f+t;
                if (ix<0x39800000)
-                       return one;  /* cosh(tiny) = 1 */
-               return one + (t*t)/(w+w);
+                       return 1.0f;  /* cosh(tiny) = 1 */
+               return 1.0f + (t*t)/(w+w);
        }
 
        /* |x| in [0.5*ln2,9], return (exp(|x|)+1/exp(|x|))/2; */
        if (ix < 0x41100000) {
                t = expf(fabsf(x));
-               return half*t + half/t;
+               return 0.5f*t + 0.5f/t;
        }
 
-       /* |x| in [9, log(maxfloat)] return half*exp(|x|) */
+       /* |x| in [9, log(maxfloat)] return 0.5f*exp(|x|) */
        if (ix < 0x42b17217)
-               return half*expf(fabsf(x));
+               return 0.5f*expf(fabsf(x));
 
        /* |x| in [log(maxfloat), overflowthresold] */
        if (ix <= 0x42b2d4fc)