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

21 lines
398 B
C

void red(iz1,iz2,jz1,jz2,jm1,jm2,jmf,ic1,jc1,jcf,kc,c,s)
float ***c,**s;
int ic1,iz1,iz2,jc1,jcf,jm1,jm2,jmf,jz1,jz2,kc;
{
int loff,l,j,ic,i;
float vx;
loff=jc1-jm1;
ic=ic1;
for (j=jz1;j<=jz2;j++) {
for (l=jm1;l<=jm2;l++) {
vx=c[ic][l+loff][kc];
for (i=iz1;i<=iz2;i++) s[i][l] -= s[i][j]*vx;
}
vx=c[ic][jcf][kc];
for (i=iz1;i<=iz2;i++) s[i][jmf] -= s[i][j]*vx;
ic += 1;
}
}