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remove LFS64 symbol aliases; replace with dynamic linker remapping
[musl]
/
src
/
math
/
ilogbf.c
diff --git
a/src/math/ilogbf.c
b/src/math/ilogbf.c
index
42cd62e
..
e23ba20
100644
(file)
--- a/
src/math/ilogbf.c
+++ b/
src/math/ilogbf.c
@@
-3,22
+3,24
@@
int ilogbf(float x)
{
int ilogbf(float x)
{
- union fshape u = {x};
- int e = u.bits>>23 & 0xff;
+ #pragma STDC FENV_ACCESS ON
+ union {float f; uint32_t i;} u = {x};
+ uint32_t i = u.i;
+ int e = i>>23 & 0xff;
if (!e) {
if (!e) {
-
u.bits
<<= 9;
- if (
u.bits
== 0) {
+
i
<<= 9;
+ if (
i
== 0) {
FORCE_EVAL(0/0.0f);
return FP_ILOGB0;
}
/* subnormal x */
FORCE_EVAL(0/0.0f);
return FP_ILOGB0;
}
/* subnormal x */
- for (e = -0x7f;
u.bits < (uint32_t)1<<31; e--, u.bits
<<=1);
+ for (e = -0x7f;
i>>31 == 0; e--, i
<<=1);
return e;
}
if (e == 0xff) {
FORCE_EVAL(0/0.0f);
return e;
}
if (e == 0xff) {
FORCE_EVAL(0/0.0f);
- return
u.bits
<<9 ? FP_ILOGBNAN : INT_MAX;
+ return
i
<<9 ? FP_ILOGBNAN : INT_MAX;
}
return e - 0x7f;
}
}
return e - 0x7f;
}