fix bit masking hack in fpclassifyl and copysignl

[libm] / src / math / __fpclassifyl.c

diff --git a/src/math/__fpclassifyl.c b/src/math/__fpclassifyl.c
index daeeaab..308dc21 100644 (file)
--- a/src/math/__fpclassifyl.c
+++ b/src/math/__fpclassifyl.c
@@ -10,7 +10,7 @@ int __fpclassifyl(long double x)
        if (!e)
                return u.bits.m ? FP_SUBNORMAL : FP_ZERO;
        if (e == 0x7fff)
-               return u.bits.m & ~(uint64_t)1<<63 ? FP_NAN : FP_INFINITE;
+               return u.bits.m & ~((uint64_t)1<<63) ? FP_NAN : FP_INFINITE;
        return u.bits.m & (uint64_t)1<<63 ? FP_NORMAL : FP_NAN;
 }
 #elif LD128