code cleanup of named constants

[musl] / src / math / atanl.c

diff --git a/src/math/atanl.c b/src/math/atanl.c
index 4e99955..36072c1 100644 (file)
--- a/src/math/atanl.c
+++ b/src/math/atanl.c
@@ -23,9 +23,7 @@ long double atanl(long double x)
 }
 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 #include "__invtrigl.h"
-static const long double
-one = 1.0,
-huge = 1.0e300;
+static const long double huge = 1.0e300;
 
 long double atanl(long double x)
 {
@@ -53,7 +51,7 @@ long double atanl(long double x)
        if (expman < ((BIAS - 2) << 8) + 0xc0) {  /* |x| < 0.4375 */
                if (expt < ATAN_LINEAR) {   /* if |x| is small, atanl(x)~=x */
                        /* raise inexact */
-                       if (huge+x > one)
+                       if (huge+x > 1.0)
                                return x;
                }
                id = -1;
@@ -62,15 +60,15 @@ long double atanl(long double x)
                if (expman < (BIAS << 8) + 0x30) {  /* |x| < 1.1875 */
                        if (expman < ((BIAS - 1) << 8) + 0x60) { /*  7/16 <= |x| < 11/16 */
                                id = 0;
-                               x = (2.0*x-one)/(2.0+x);
+                               x = (2.0*x-1.0)/(2.0+x);
                        } else {                                 /* 11/16 <= |x| < 19/16 */
                                id = 1;
-                               x = (x-one)/(x+one);
+                               x = (x-1.0)/(x+1.0);
                        }
                } else {
                        if (expman < ((BIAS + 1) << 8) + 0x38) { /* |x| < 2.4375 */
                                id = 2;
-                               x = (x-1.5)/(one+1.5*x);
+                               x = (x-1.5)/(1.0+1.5*x);
                        } else {                                 /* 2.4375 <= |x| < 2^ATAN_CONST */
                                id = 3;
                                x = -1.0/x;