Created
February 13, 2020 09:27
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Test rint impact for sNaN and qNaNs
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#include <cstdio> | |
#include <cmath> | |
#include <limits> | |
#include <ctime> | |
#define __STDC_WANT_IEC_60559_BFP_EXT__ | |
using namespace std; | |
double qnan, snan, result; | |
int main(void) { | |
// Keep it from being propagated | |
if (clock() / CLOCKS_PER_SEC < 0xFFFFFF00) { | |
qnan = numeric_limits<double>::quiet_NaN(); | |
snan = numeric_limits<double>::signaling_NaN(); | |
} | |
result = rint(snan); | |
printf("%lX %lX %lX\n", qnan, snan, result); | |
printf("%d %d %d\n", issignaling(qnan), issignaling(snan), issignaling(result)); | |
return 0; | |
} |
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