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-rw-r--r--src/math/ilogbl.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/math/ilogbl.c b/src/math/ilogbl.c
index 1512934f..7df6eb6c 100644
--- a/src/math/ilogbl.c
+++ b/src/math/ilogbl.c
@@ -10,12 +10,12 @@ int ilogbl(long double x)
int ilogbl(long double x)
{
union ldshape u = {x};
- uint64_t m = u.bits.m;
- int e = u.bits.exp;
+ uint64_t m = u.i.m;
+ int e = u.i.se & 0x7fff;
if (!e) {
if (m == 0) {
- FORCE_EVAL(0/0.0f);
+ FORCE_EVAL(x/x);
return FP_ILOGB0;
}
/* subnormal x */
@@ -25,7 +25,7 @@ int ilogbl(long double x)
if (e == 0x7fff) {
FORCE_EVAL(0/0.0f);
/* in ld80 msb is set in inf */
- return m & (uint64_t)-1>>1 ? FP_ILOGBNAN : INT_MAX;
+ return m << 1 ? FP_ILOGBNAN : INT_MAX;
}
return e - 0x3fff;
}