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authornsz <nsz@port70.net>2012-03-19 23:41:19 +0100
committernsz <nsz@port70.net>2012-03-19 23:41:19 +0100
commit0cbb65479147ecdaa664e88cc2a5a925f3de502f (patch)
tree7b6dc53fcec6497d55746d3cc47f167a20b7aa57 /src/math/log10.c
parentb03255af77776703c8d48819e824d09f6f54ba86 (diff)
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code cleanup of named constants
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).
Diffstat (limited to 'src/math/log10.c')
-rw-r--r--src/math/log10.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/src/math/log10.c b/src/math/log10.c
index 5422599a..ed65d9be 100644
--- a/src/math/log10.c
+++ b/src/math/log10.c
@@ -27,8 +27,6 @@ ivln10lo  = 2.50829467116452752298e-11, /* 0x3dbb9438, 0xca9aadd5 */
 log10_2hi = 3.01029995663611771306e-01, /* 0x3FD34413, 0x509F6000 */
 log10_2lo = 3.69423907715893078616e-13; /* 0x3D59FEF3, 0x11F12B36 */
 
-static const double zero = 0.0;
-
 double log10(double x)
 {
 	double f,hfsq,hi,lo,r,val_hi,val_lo,w,y,y2;
@@ -40,9 +38,9 @@ double log10(double x)
 	k = 0;
 	if (hx < 0x00100000) {  /* x < 2**-1022  */
 		if (((hx&0x7fffffff)|lx) == 0)
-			return -two54/zero;  /* log(+-0)=-inf */
+			return -two54/0.0;  /* log(+-0)=-inf */
 		if (hx<0)
-			return (x-x)/zero;   /* log(-#) = NaN */
+			return (x-x)/0.0;   /* log(-#) = NaN */
 		/* subnormal number, scale up x */
 		k -= 54;
 		x *= two54;
@@ -51,7 +49,7 @@ double log10(double x)
 	if (hx >= 0x7ff00000)
 		return x+x;
 	if (hx == 0x3ff00000 && lx == 0)
-		return zero;  /* log(1) = +0 */
+		return 0.0;  /* log(1) = +0 */
 	k += (hx>>20) - 1023;
 	hx &= 0x000fffff;
 	i = (hx+0x95f64)&0x100000;