14 lines
265 B
C++
14 lines
265 B
C++
#include <cmath>
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#include "nr.h"
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using namespace std;
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DP NR::pythag(const DP a, const DP b)
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{
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DP absa,absb;
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absa=fabs(a);
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absb=fabs(b);
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if (absa > absb) return absa*sqrt(1.0+SQR(absb/absa));
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else return (absb == 0.0 ? 0.0 : absb*sqrt(1.0+SQR(absa/absb)));
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}
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