code cleanup of named constants

[musl] / src / math / coshl.c

diff --git a/src/math/coshl.c b/src/math/coshl.c
index bcc9128..36b52c0 100644 (file)
--- a/src/math/coshl.c
+++ b/src/math/coshl.c
@@ -38,7 +38,7 @@ long double coshl(long double x)
        return cosh(x);
 }
 #elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
-static const long double one = 1.0, half = 0.5, huge = 1.0e4900L;
+static const long double huge = 1.0e4900L;
 
 long double coshl(long double x)
 {
@@ -56,27 +56,27 @@ long double coshl(long double x)
        /* |x| in [0,0.5*ln2], return 1+expm1l(|x|)^2/(2*expl(|x|)) */
        if (ex < 0x3ffd || (ex == 0x3ffd && mx < 0xb17217f7u)) {
                t = expm1l(fabsl(x));
-               w = one + t;
+               w = 1.0 + t;
                if (ex < 0x3fbc) return w;    /* cosh(tiny) = 1 */
-               return one+(t*t)/(w+w);
+               return 1.0+(t*t)/(w+w);
        }
 
        /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
        if (ex < 0x4003 || (ex == 0x4003 && mx < 0xb0000000u)) {
                t = expl(fabsl(x));
-               return half*t + half/t;
+               return 0.5*t + 0.5/t;
        }
 
-       /* |x| in [22, ln(maxdouble)] return half*exp(|x|) */
+       /* |x| in [22, ln(maxdouble)] return 0.5*exp(|x|) */
        if (ex < 0x400c || (ex == 0x400c && mx < 0xb1700000u))
-               return half*expl(fabsl(x));
+               return 0.5*expl(fabsl(x));
 
        /* |x| in [log(maxdouble), log(2*maxdouble)) */
        if (ex == 0x400c && (mx < 0xb174ddc0u ||
             (mx == 0xb174ddc0u && lx < 0x31aec0ebu)))
        {
-               w = expl(half*fabsl(x));
-               t = half*w;
+               w = expl(0.5*fabsl(x));
+               t = 0.5*w;
                return t*w;
        }