circuitpython/lib/libm_dbl/__signbit.c
Diego Elio Pettenò dd5d7c86d2 Fix up end of file and trailing whitespace.
This can be enforced by pre-commit, but correct it separately to make it easier to review.
2020-06-03 10:56:35 +01:00

11 lines
114 B
C

#include "libm.h"
int __signbitd(double x)
{
union {
double d;
uint64_t i;
} y = { x };
return y.i>>63;
}