15 lines
281 B
C
15 lines
281 B
C
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#include <math.h>
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#define NRANSI
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#include "nrutil.h"
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double dpythag(double a, double b)
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{
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double 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+DSQR(absb/absa));
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else return (absb == 0.0 ? 0.0 : absb*sqrt(1.0+DSQR(absa/absb)));
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}
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#undef NRANSI
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