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This commit is contained in:
Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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10
libc/math/fabs.c Normal file
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#include "libc/math/math.h"
double fabs(double x) {
union {
double f;
uint64_t i;
} u = {x};
u.i &= -1ULL / 2;
return u.f;
}