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).

1 files changed, 5 insertions, 7 deletions

diff --git a/src/math/atanf.c b/src/math/atanf.c
index 73cebb5e..4e31b902 100644
--- a/src/math/atanf.c
+++ b/src/math/atanf.c
@@ -38,9 +38,7 @@ static const float aT[] = {
   6.1687607318e-02,
 };
 
-static const float
-one = 1.0,
-huge = 1.0e30;
+static const float huge = 1.0e30;
 
 float atanf(float x)
 {
@@ -60,7 +58,7 @@ float atanf(float x)
 	if (ix < 0x3ee00000) {   /* |x| < 0.4375 */
 		if (ix < 0x39800000) {  /* |x| < 2**-12 */
 			/* raise inexact */
-			if(huge+x>one)
+			if(huge+x>1.0f)
 				return x;
 		}
 		id = -1;
@@ -69,15 +67,15 @@ float atanf(float x)
 		if (ix < 0x3f980000) {  /* |x| < 1.1875 */
 			if (ix < 0x3f300000) {  /*  7/16 <= |x| < 11/16 */
 				id = 0;
-				x = (2.0f*x - one)/(2.0f + x);
+				x = (2.0f*x - 1.0f)/(2.0f + x);
 			} else {                /* 11/16 <= |x| < 19/16 */
 				id = 1;
-				x = (x - one)/(x + one);
+				x = (x - 1.0f)/(x + 1.0f);
 			}
 		} else {
 			if (ix < 0x401c0000) {  /* |x| < 2.4375 */
 				id = 2;
-				x = (x - 1.5f)/(one + 1.5f*x);
+				x = (x - 1.5f)/(1.0f + 1.5f*x);
 			} else {                /* 2.4375 <= |x| < 2**26 */
 				id = 3;
 				x = -1.0f/x;