Add optional algorithm selection to matrix::inverse().

[ginac.git] / ginac / matrix.cpp

diff --git a/ginac/matrix.cpp b/ginac/matrix.cpp
index 915d4543e9b39c592a51f70713bcdf096370f0aa..80ca3e459ff42a4002920fd68466054e0398c42a 100644 (file)
--- a/ginac/matrix.cpp
+++ b/ginac/matrix.cpp
@@ -939,10 +939,11 @@ ex matrix::charpoly(const ex & lambda) const
 
 /** Inverse of this matrix.
  *
+ *  @param algo selects the algorithm (one of solve_algo)
  *  @return    the inverted matrix
  *  @exception logic_error (matrix not square)
  *  @exception runtime_error (singular matrix) */
-matrix matrix::inverse() const
+matrix matrix::inverse(unsigned algo) const
 {
        if (row != col)
                throw (std::logic_error("matrix::inverse(): matrix not square"));
@@ -965,7 +966,7 @@ matrix matrix::inverse() const
        
        matrix sol(row,col);
        try {
-               sol = this->solve(vars,identity);
+               sol = this->solve(vars, identity, algo);
        } catch (const std::runtime_error & e) {
            if (e.what()==std::string("matrix::solve(): inconsistent linear system"))
                        throw (std::runtime_error("matrix::inverse(): singular matrix"));