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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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9
src/math/exp.c
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@ -74,7 +74,6 @@
#include "libm.h"
static const double
one = 1.0,
halF[2] = {0.5,-0.5,},
huge = 1.0e+300,
o_threshold = 7.09782712893383973096e+02, /* 0x40862E42, 0xFEFA39EF */
@ -134,8 +133,8 @@ double exp(double x)
STRICT_ASSIGN(double, x, hi - lo);
} else if(hx < 0x3e300000) { /* |x| < 2**-28 */
/* raise inexact */
if (huge+x > one)
return one+x;
if (huge+x > 1.0)
return 1.0+x;
} else
k = 0;
@ -147,8 +146,8 @@ double exp(double x)
INSERT_WORDS(twopk, 0x3ff00000+((k+1000)<<20), 0);
c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
if (k == 0)
return one - ((x*c)/(c-2.0) - x);
y = one-((lo-(x*c)/(2.0-c))-hi);
return 1.0 - ((x*c)/(c-2.0) - x);
y = 1.0-((lo-(x*c)/(2.0-c))-hi);
if (k < -1021)
return y*twopk*twom1000;
if (k == 1024)