21 lines
390 B
C
21 lines
390 B
C
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#define SWAP(a,b) {swap=(a);(a)=(b);(b)=swap;}
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void covsrt(float **covar, int ma, int ia[], int mfit)
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{
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int i,j,k;
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float swap;
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for (i=mfit+1;i<=ma;i++)
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for (j=1;j<=i;j++) covar[i][j]=covar[j][i]=0.0;
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k=mfit;
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for (j=ma;j>=1;j--) {
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if (ia[j]) {
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for (i=1;i<=ma;i++) SWAP(covar[i][k],covar[i][j])
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for (i=1;i<=ma;i++) SWAP(covar[k][i],covar[j][i])
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k--;
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}
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}
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}
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#undef SWAP
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