remove LFS64 symbol aliases; replace with dynamic linker remapping

[musl] / src / math / atanf.c

diff --git a/src/math/atanf.c b/src/math/atanf.c
index 4b59509..178341b 100644 (file)
--- a/src/math/atanf.c
+++ b/src/math/atanf.c
@@ -40,7 +40,7 @@ static const float aT[] = {
 
 float atanf(float x)
 {
-       float w,s1,s2,z;
+       float_t w,s1,s2,z;
        uint32_t ix,sign;
        int id;
 
@@ -55,8 +55,9 @@ float atanf(float x)
        }
        if (ix < 0x3ee00000) {   /* |x| < 0.4375 */
                if (ix < 0x39800000) {  /* |x| < 2**-12 */
-                       /* raise inexact if x!=0 */
-                       FORCE_EVAL(x + 0x1p120f);
+                       if (ix < 0x00800000)
+                               /* raise underflow for subnormal x */
+                               FORCE_EVAL(x*x);
                        return x;
                }
                id = -1;