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#include <math.h>

float fminf(float x, float y)
{
	if (isnan(x))
		return y;
	if (isnan(y))
		return x;
	/* handle signed zeros, see C99 Annex F.9.9.2 */
	if (signbit(x) != signbit(y))
		return signbit(x) ? x : y;
	return x < y ? x : y;
}