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2025-09-12 18:55:25 +09:00

15 lines
274 B
C

#include <math.h>
#define NRANSI
#include "nrutil.h"
float pythag(float a, float b)
{
float absa,absb;
absa=fabs(a);
absb=fabs(b);
if (absa > absb) return absa*sqrt(1.0+SQR(absb/absa));
else return (absb == 0.0 ? 0.0 : absb*sqrt(1.0+SQR(absa/absb)));
}
#undef NRANSI