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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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12
src/math/cosh.c
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@ -32,7 +32,7 @@
#include "libm.h"
static const double one = 1.0, half = 0.5, huge = 1.0e300;
static const double huge = 1.0e300;
double cosh(double x)
{
@ -49,21 +49,21 @@ double cosh(double x)
/* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
if (ix < 0x3fd62e43) {
t = expm1(fabs(x));
w = one+t;
w = 1.0+t;
if (ix < 0x3c800000)
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 (ix < 0x40360000) {
t = exp(fabs(x));
return half*t + half/t;
return 0.5*t + 0.5/t;
}
/* |x| in [22, log(maxdouble)] return half*exp(|x|) */
/* |x| in [22, log(maxdouble)] return 0.5*exp(|x|) */
if (ix < 0x40862E42)
return half*exp(fabs(x));
return 0.5*exp(fabs(x));
/* |x| in [log(maxdouble), overflowthresold] */
if (ix <= 0x408633CE)