Lines Matching defs:nan
42 # include <nan.h>
121 // Tests for infinity and NaN differ on different OSs. We encapsulate
617 static const char* nan[2] = { "nan", "NaN" };
626 } else { // NaN
627 inf_or_nan = nan;
637 } else { // NaN
638 inf_or_nan = nan;
767 //If numeric_limits support is correct we use the exposed values to detect NaN and infinity:
769 if (!(x == x) || // NaN check
