math cleanup: use 1.0f instead of (float)1.0

[musl] / src / math / atanf.c

diff --git a/src/math/atanf.c b/src/math/atanf.c
index 8c2b46b..73cebb5 100644 (file)
--- a/src/math/atanf.c
+++ b/src/math/atanf.c
@@ -69,18 +69,18 @@ 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 - one)/(2.0f + x);
                        } else {                /* 11/16 <= |x| < 19/16 */
                                id = 1;
-                               x = (x-one)/(x+one);
+                               x = (x - one)/(x + one);
                        }
                } else {
                        if (ix < 0x401c0000) {  /* |x| < 2.4375 */
                                id = 2;
-                               x = (x-(float)1.5)/(one+(float)1.5*x);
+                               x = (x - 1.5f)/(one + 1.5f*x);
                        } else {                /* 2.4375 <= |x| < 2**26 */
                                id = 3;
-                               x = -(float)1.0/x;
+                               x = -1.0f/x;
                        }
                }
        }