src/math/x86_64/remainderl.c


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#include <math.h>

long double remainderl(long double x, long double y)
{
	unsigned short fpsr;
	do __asm__ ("fprem1; fnstsw %%ax" : "+t"(x), "=a"(fpsr) : "u"(y));
	while (fpsr & 0x400);
	return x;
}