atanh: fix build

diff --git a/Library/libs/atanh.c b/Library/libs/atanh.c
index 0f7a305..7f6f329 100644 (file)
--- a/Library/libs/atanh.c
+++ b/Library/libs/atanh.c
@@ -42,9 +42,9 @@ double atanh(double x)
        EXTRACT_WORDS(hx, lx, x);
        ix = hx & 0x7fffffff;
        if ((ix | ((lx|-lx)>>31)) > 0x3ff00000)  /* |x| > 1 */
-               return __sNaN;
+               return (x-x)/(x-x);
        if (ix == 0x3ff00000)
-               return __Nan;
+               return x/0.0;
        if (ix < 0x3e300000 && (huge+x) > 0.0)   /* x < 2**-28 */
                return x;
        SET_HIGH_WORD(x, ix);