14 lines
249 B
C
14 lines
249 B
C
|
|
#include <math.h>
|
|
#include "nrutil.h"
|
|
|
|
double dpythag(a,b)
|
|
double a,b;
|
|
{
|
|
double absa,absb;
|
|
absa=fabs(a);
|
|
absb=fabs(b);
|
|
if (absa > absb) return absa*sqrt(1.0+DSQR(absb/absa));
|
|
else return (absb == 0.0 ? 0.0 : absb*sqrt(1.0+DSQR(absa/absb)));
|
|
}
|