math: use 0x1p-120f and 0x1p120f for tiny and huge values

[musl] / src / math / atan.c

diff --git a/src/math/atan.c b/src/math/atan.c
index 7fd8a3b..3c9a59f 100644 (file)
--- a/src/math/atan.c
+++ b/src/math/atan.c
@@ -72,13 +72,13 @@ double atan(double x)
        if (ix >= 0x44100000) {   /* if |x| >= 2^66 */
                if (isnan(x))
                        return x;
-               z = atanhi[3] + 0x1p-1000;
+               z = atanhi[3] + 0x1p-120f;
                return sign ? -z : z;
        }
        if (ix < 0x3fdc0000) {    /* |x| < 0.4375 */
                if (ix < 0x3e400000) {  /* |x| < 2^-27 */
                        /* raise inexact if x!=0 */
-                       FORCE_EVAL(x + 0x1p1000);
+                       FORCE_EVAL(x + 0x1p120f);
                        return x;
                }
                id = -1;