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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
commit 0cbb654791
73 changed files with 513 additions and 623 deletions
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8
src/math/log10f.c
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@ -23,8 +23,6 @@ ivln10lo = -3.1689971365e-05, /* 0xb804ead9 */
log10_2hi = 3.0102920532e-01, /* 0x3e9a2080 */
log10_2lo = 7.9034151668e-07; /* 0x355427db */
static const float zero = 0.0;
float log10f(float x)
{
float f,hfsq,hi,lo,r,y;
@ -35,9 +33,9 @@ float log10f(float x)
k = 0;
if (hx < 0x00800000) { /* x < 2**-126 */
if ((hx&0x7fffffff) == 0)
return -two25/zero; /* log(+-0)=-inf */
return -two25/0.0f; /* log(+-0)=-inf */
if (hx < 0)
return (x-x)/zero; /* log(-#) = NaN */
return (x-x)/0.0f; /* log(-#) = NaN */
/* subnormal number, scale up x */
k -= 25;
x *= two25;
@ -46,7 +44,7 @@ float log10f(float x)
if (hx >= 0x7f800000)
return x+x;
if (hx == 0x3f800000)
return zero; /* log(1) = +0 */
return 0.0f; /* log(1) = +0 */
k += (hx>>23) - 127;
hx &= 0x007fffff;
i = (hx+(0x4afb0d))&0x800000;