#include <limits>
#include <cstdio>
 
int main(int argc, char* argv[]) {
	float qNaN = std::numeric_limits<float>::quiet_NaN();
 
	float neg = -qNaN;
 
	float sub1 = 6.0f - qNaN;
	float sub2 = qNaN - 6.0f;
	float sub3 = qNaN - qNaN;
 
	float add1 = 6.0f + qNaN;
	float add2 = qNaN + qNaN;
 
	float div1 = 6.0f / qNaN;
	float div2 = qNaN / 6.0f;
	float div3 = qNaN / qNaN;
 
	float mul1 = 6.0f * qNaN;
	float mul2 = qNaN * qNaN;
 
	printf(
		"neg: %f\nsub: %f %f %f\nadd: %f %f\ndiv: %f %f %f\nmul: %f %f\n",
		neg, sub1,sub2,sub3, add1,add2, div1,div2,div3, mul1,mul2
	);
 
	return 0;
}

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