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Merge pull request #1257 from totto82/add_invert4x4
Add invert4x4 specialization for invertMatrix()
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@@ -702,6 +702,7 @@ namespace Opm {
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if (has_solvent_) {
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double& ss = priVars[Indices::solventSaturationIdx];
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ss -= satScaleFactor * dss;
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ss = std::min(std::max(ss, 0.0),1.0);
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}
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if (has_polymer_) {
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double& c = priVars[Indices::polymerConcentrationIdx];
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@@ -43,6 +43,138 @@
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namespace Dune
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{
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namespace FMatrixHelp {
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//! invert 4x4 Matrix without changing the original matrix
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template <typename K>
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static inline K invertMatrix (const FieldMatrix<K,4,4> &matrix, FieldMatrix<K,4,4> &inverse)
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{
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inverse[0][0] = matrix[1][1] * matrix[2][2] * matrix[3][3] -
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matrix[1][1] * matrix[2][3] * matrix[3][2] -
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matrix[2][1] * matrix[1][2] * matrix[3][3] +
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matrix[2][1] * matrix[1][3] * matrix[3][2] +
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matrix[3][1] * matrix[1][2] * matrix[2][3] -
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matrix[3][1] * matrix[1][3] * matrix[2][2];
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inverse[1][0] = -matrix[1][0] * matrix[2][2] * matrix[3][3] +
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matrix[1][0] * matrix[2][3] * matrix[3][2] +
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matrix[2][0] * matrix[1][2] * matrix[3][3] -
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matrix[2][0] * matrix[1][3] * matrix[3][2] -
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matrix[3][0] * matrix[1][2] * matrix[2][3] +
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matrix[3][0] * matrix[1][3] * matrix[2][2];
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inverse[2][0] = matrix[1][0] * matrix[2][1] * matrix[3][3] -
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matrix[1][0] * matrix[2][3] * matrix[3][1] -
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matrix[2][0] * matrix[1][1] * matrix[3][3] +
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matrix[2][0] * matrix[1][3] * matrix[3][1] +
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matrix[3][0] * matrix[1][1] * matrix[2][3] -
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matrix[3][0] * matrix[1][3] * matrix[2][1];
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inverse[3][0] = -matrix[1][0] * matrix[2][1] * matrix[3][2] +
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matrix[1][0] * matrix[2][2] * matrix[3][1] +
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matrix[2][0] * matrix[1][1] * matrix[3][2] -
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matrix[2][0] * matrix[1][2] * matrix[3][1] -
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matrix[3][0] * matrix[1][1] * matrix[2][2] +
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matrix[3][0] * matrix[1][2] * matrix[2][1];
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inverse[0][1]= -matrix[0][1] * matrix[2][2] * matrix[3][3] +
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matrix[0][1] * matrix[2][3] * matrix[3][2] +
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matrix[2][1] * matrix[0][2] * matrix[3][3] -
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matrix[2][1] * matrix[0][3] * matrix[3][2] -
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matrix[3][1] * matrix[0][2] * matrix[2][3] +
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matrix[3][1] * matrix[0][3] * matrix[2][2];
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inverse[1][1] = matrix[0][0] * matrix[2][2] * matrix[3][3] -
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matrix[0][0] * matrix[2][3] * matrix[3][2] -
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matrix[2][0] * matrix[0][2] * matrix[3][3] +
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matrix[2][0] * matrix[0][3] * matrix[3][2] +
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matrix[3][0] * matrix[0][2] * matrix[2][3] -
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matrix[3][0] * matrix[0][3] * matrix[2][2];
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inverse[2][1] = -matrix[0][0] * matrix[2][1] * matrix[3][3] +
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matrix[0][0] * matrix[2][3] * matrix[3][1] +
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matrix[2][0] * matrix[0][1] * matrix[3][3] -
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matrix[2][0] * matrix[0][3] * matrix[3][1] -
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matrix[3][0] * matrix[0][1] * matrix[2][3] +
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matrix[3][0] * matrix[0][3] * matrix[2][1];
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inverse[3][1] = matrix[0][0] * matrix[2][1] * matrix[3][2] -
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matrix[0][0] * matrix[2][2] * matrix[3][1] -
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matrix[2][0] * matrix[0][1] * matrix[3][2] +
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matrix[2][0] * matrix[0][2] * matrix[3][1] +
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matrix[3][0] * matrix[0][1] * matrix[2][2] -
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matrix[3][0] * matrix[0][2] * matrix[2][1];
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inverse[0][2] = matrix[0][1] * matrix[1][2] * matrix[3][3] -
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matrix[0][1] * matrix[1][3] * matrix[3][2] -
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matrix[1][1] * matrix[0][2] * matrix[3][3] +
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matrix[1][1] * matrix[0][3] * matrix[3][2] +
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matrix[3][1] * matrix[0][2] * matrix[1][3] -
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matrix[3][1] * matrix[0][3] * matrix[1][2];
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inverse[1][2] = -matrix[0][0] * matrix[1][2] * matrix[3][3] +
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matrix[0][0] * matrix[1][3] * matrix[3][2] +
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matrix[1][0] * matrix[0][2] * matrix[3][3] -
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matrix[1][0] * matrix[0][3] * matrix[3][2] -
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matrix[3][0] * matrix[0][2] * matrix[1][3] +
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matrix[3][0] * matrix[0][3] * matrix[1][2];
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inverse[2][2] = matrix[0][0] * matrix[1][1] * matrix[3][3] -
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matrix[0][0] * matrix[1][3] * matrix[3][1] -
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matrix[1][0] * matrix[0][1] * matrix[3][3] +
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matrix[1][0] * matrix[0][3] * matrix[3][1] +
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matrix[3][0] * matrix[0][1] * matrix[1][3] -
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matrix[3][0] * matrix[0][3] * matrix[1][1];
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inverse[3][2] = -matrix[0][0] * matrix[1][1] * matrix[3][2] +
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matrix[0][0] * matrix[1][2] * matrix[3][1] +
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matrix[1][0] * matrix[0][1] * matrix[3][2] -
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matrix[1][0] * matrix[0][2] * matrix[3][1] -
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matrix[3][0] * matrix[0][1] * matrix[1][2] +
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matrix[3][0] * matrix[0][2] * matrix[1][1];
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inverse[0][3] = -matrix[0][1] * matrix[1][2] * matrix[2][3] +
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matrix[0][1] * matrix[1][3] * matrix[2][2] +
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matrix[1][1] * matrix[0][2] * matrix[2][3] -
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matrix[1][1] * matrix[0][3] * matrix[2][2] -
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matrix[2][1] * matrix[0][2] * matrix[1][3] +
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matrix[2][1] * matrix[0][3] * matrix[1][2];
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inverse[1][3] = matrix[0][0] * matrix[1][2] * matrix[2][3] -
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matrix[0][0] * matrix[1][3] * matrix[2][2] -
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matrix[1][0] * matrix[0][2] * matrix[2][3] +
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matrix[1][0] * matrix[0][3] * matrix[2][2] +
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matrix[2][0] * matrix[0][2] * matrix[1][3] -
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matrix[2][0] * matrix[0][3] * matrix[1][2];
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inverse[2][3] = -matrix[0][0] * matrix[1][1] * matrix[2][3] +
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matrix[0][0] * matrix[1][3] * matrix[2][1] +
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matrix[1][0] * matrix[0][1] * matrix[2][3] -
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matrix[1][0] * matrix[0][3] * matrix[2][1] -
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matrix[2][0] * matrix[0][1] * matrix[1][3] +
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matrix[2][0] * matrix[0][3] * matrix[1][1];
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inverse[3][3] = matrix[0][0] * matrix[1][1] * matrix[2][2] -
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matrix[0][0] * matrix[1][2] * matrix[2][1] -
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matrix[1][0] * matrix[0][1] * matrix[2][2] +
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matrix[1][0] * matrix[0][2] * matrix[2][1] +
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matrix[2][0] * matrix[0][1] * matrix[1][2] -
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matrix[2][0] * matrix[0][2] * matrix[1][1];
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K det = matrix[0][0] * inverse[0][0] + matrix[0][1] * inverse[1][0] + matrix[0][2] * inverse[2][0] + matrix[0][3] * inverse[3][0];
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// return identity for singular or nearly singular matrices.
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if (std::abs(det) < 1e-40) {
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for (int i = 0; i < 4; ++i){
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inverse[i][i] = 1.0;
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}
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return 1.0;
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}
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K inv_det = 1.0 / det;
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inverse *= inv_det;
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return det;
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}
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} // end FMatrixHelp
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namespace ISTLUtility {
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@@ -70,6 +202,14 @@ static inline void invertMatrix (FieldMatrix<K,3,3> &matrix)
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FMatrixHelp::invertMatrix(A, matrix );
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}
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//! invert matrix by calling FMatrixHelp::invert
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template <typename K>
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static inline void invertMatrix (FieldMatrix<K,4,4> &matrix)
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{
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FieldMatrix<K,4,4> A ( matrix );
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FMatrixHelp::invertMatrix(A, matrix );
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}
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//! invert matrix by calling matrix.invert
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template <typename K, int n>
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static inline void invertMatrix (FieldMatrix<K,n,n> &matrix)
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