remove spurious inclusion of libc.h for LFS64 ABI aliases

[musl] / src / math / expf.c

diff --git a/src/math/expf.c b/src/math/expf.c
index 5572bbf..feee2b0 100644 (file)
--- a/src/math/expf.c
+++ b/src/math/expf.c
@@ -39,9 +39,11 @@ float expf(float x)
 
        /* special cases */
        if (hx >= 0x42aeac50) {  /* if |x| >= -87.33655f or NaN */
+               if (hx > 0x7f800000) /* NaN */
+                       return x;
                if (hx >= 0x42b17218 && !sign) {  /* x >= 88.722839f */
                        /* overflow */
-                       STRICT_ASSIGN(float, x, x * 0x1p127f);
+                       x *= 0x1p127f;
                        return x;
                }
                if (sign) {
@@ -60,7 +62,7 @@ float expf(float x)
                        k = 1 - sign - sign;
                hi = x - k*ln2hi;  /* k*ln2hi is exact here */
                lo = k*ln2lo;
-               STRICT_ASSIGN(float, x, hi - lo);
+               x = hi - lo;
        } else if (hx > 0x39000000) {  /* |x| > 2**-14 */
                k = 0;
                hi = x;