determinant4x4 221 Source/platform/transforms/TransformationMatrix.cpp double det = determinant4x4(matrix); determinant4x4 321 Source/platform/transforms/TransformationMatrix.cpp if (determinant4x4(perspectiveMatrix) == 0) determinant4x4 1277 Source/platform/transforms/TransformationMatrix.cpp double det = WebCore::determinant4x4(m_matrix); determinant4x4 1498 Source/platform/transforms/TransformationMatrix.cpp double determinant = WebCore::determinant4x4(m_matrix);