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

19 lines
358 B
C

void arcsum(unsigned long iin[], unsigned long iout[], unsigned long ja,
int nwk, unsigned long nrad, unsigned long nc)
{
int j,karry=0;
unsigned long jtmp;
for (j=nwk;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;
}