15 lines
518 B
C
15 lines
518 B
C
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#include "vec.h"
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#include "smat.h"
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#include "mat.h"
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#include "sparsemat.h"
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#include "nonclass.h"
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//conjugate gradient solution of a linear system
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//matrix can be any class which has nrows(), ncols(), diagonalof() and NRVec::gemv() available
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//does not even have to be explicitly stored
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template<typename T, typename Matrix>
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extern void conjgrad(const Matrix &bigmat, const NRVec<T> &b, NRVec<T> &x, const bool doguess, const double tol, const int itmax, const bool verbose, bool issquare,const bool precondition);
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