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

13 lines
226 B
C

double ratval(x,cof,mm,kk)
double cof[],x;
int kk,mm;
{
int j;
double sumd,sumn;
for (sumn=cof[mm],j=mm-1;j>=0;j--) sumn=sumn*x+cof[j];
for (sumd=0.0,j=mm+kk;j>=mm+1;j--) sumd=(sumd+cof[j])*x;
return sumn/(1.0+sumd);
}