X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Fatanf.c;h=4e31b902d1da886f9293fcfeddff9c6f84652bee;hb=04ccbdca6d88738e23e0d6a622ad33854c468646;hp=8c2b46b0dba964ebdc318e7815c719c1cda10656;hpb=b69f695acedd4ce2798ef9ea28d834ceccc789bd;p=musl

diff --git a/src/math/atanf.c b/src/math/atanf.c
index 8c2b46b0..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;
@@ -69,18 +67,18 @@ float atanf(float x)
 		if (ix < 0x3f980000) {  /* |x| < 1.1875 */
 			if (ix < 0x3f300000) {  /*  7/16 <= |x| < 11/16 */
 				id = 0;
-				x = ((float)2.0*x-one)/((float)2.0+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-(float)1.5)/(one+(float)1.5*x);
+				x = (x - 1.5f)/(1.0f + 1.5f*x);
 			} else {                /* 2.4375 <= |x| < 2**26 */
 				id = 3;
-				x = -(float)1.0/x;
+				x = -1.0f/x;
 			}
 		}
 	}