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2025-02-Numerical/lib/nr/cpp/recipes/arcsum.cpp
2025-09-12 18:55:25 +09:00

20 lines
390 B
C++

#include "nr.h"
void NR::arcsum(Vec_I_ULNG &iin, Vec_O_ULNG &iout, unsigned long ja,
const int nwk, const unsigned long nrad, const unsigned long nc)
{
int karry=0;
unsigned long j,jtmp;
for (j=nwk-1;j>nc;j--) {
jtmp=ja;
ja /= nrad;
iout[j]=iin[j]+(jtmp-ja*nrad)+karry;
if (iout[j] >= nrad) {
iout[j] -= nrad;
karry=1;
} else karry=0;
}
iout[nc]=iin[nc]+ja+karry;
}