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HEAD
remove LFS64 symbol aliases; replace with dynamic linker remapping
[musl.git]
/
src
/
math
/
__signbit.c
blob
e700b6b75fcb91e1919ad64b7da4e8c6a16f6065
1
#include
"libm.h"
2
3
// FIXME: macro in math.h
4
int
__signbit
(
double
x
)
5
{
6
union
{
7
double
d
;
8
uint64_t
i
;
9
}
y
= {
x
};
10
return
y
.
i
>>
63
;
11
}
12
13