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code cleanup of named constants

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zero, one, two, half are replaced by const literals
The policy was to use the f suffix for float consts (1.0f),
but don't use suffix for long double consts (these consts
can be exactly represented as double).
This commit is contained in:
nsz
2012-03-19 23:41:19 +01:00
parent b03255af77
commit 0cbb654791
73 changed files with 513 additions and 623 deletions
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src/math/coshf.c
+7 -7
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@@ -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)