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-rw-r--r--sys/src/libc/port/frexp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/libc/port/frexp.c b/sys/src/libc/port/frexp.c
index e2f4fb072..51ba57e5a 100644
--- a/sys/src/libc/port/frexp.c
+++ b/sys/src/libc/port/frexp.c
@@ -93,7 +93,7 @@ modf(double d, double *ip)
e = (x.hi >> SHIFT) & MASK;
if(e == MASK){
*ip = d;
- if(x.lo != 0 || (x.hi & 0xfffffL != 0)) /* NaN */
+ if(x.lo != 0 || (x.hi & 0xfffffL) != 0) /* NaN */
return d;
/* ±Inf */
x.hi &= 0x80000000L;