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2025-02-Numerical/lib/nr/cpp/recipes/simp1.cpp
2025-09-12 18:55:25 +09:00

28 lines
439 B
C++

#include <cmath>
#include "nr.h"
using namespace std;
void NR::simp1(Mat_I_DP &a, const int mm, Vec_I_INT &ll, const int nll,
const int iabf, int &kp, DP &bmax)
{
int k;
DP test;
if (nll <= 0)
bmax=0.0;
else {
kp=ll[0];
bmax=a[mm][kp];
for (k=1;k<nll;k++) {
if (iabf == 0)
test=a[mm][ll[k]]-bmax;
else
test=fabs(a[mm][ll[k]])-fabs(bmax);
if (test > 0.0) {
bmax=a[mm][ll[k]];
kp=ll[k];
}
}
}
}