X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fmatrix.h;h=769647cacdeede3685ec276e804e774c814783b0;hp=235fbda4905fdcb0f387a061d3b41ee07d6eb8fc;hb=9eab44408b9213d8909b7a9e525f404ad06064dd;hpb=487e5659efe401683eee0381b0d23f967ffffc3c

diff --git a/ginac/matrix.h b/ginac/matrix.h
index 235fbda4..769647ca 100644
--- a/ginac/matrix.h
+++ b/ginac/matrix.h
@@ -27,6 +27,8 @@
 #include <ginac/basic.h>
 #include <ginac/ex.h>
 
+namespace GiNaC {
+
 /** Symbolic matrices. */
 class matrix : public basic
 {
@@ -144,8 +146,12 @@ inline ex charpoly(matrix const & m, ex const & lambda)
 inline matrix inverse(matrix const & m)
 { return m.inverse(); }
 
-// macros
+// utility functions
+inline const matrix &ex_to_matrix(const ex &e)
+{
+	return static_cast<const matrix &>(*e.bp);
+}
 
-#define ex_to_matrix(X) (static_cast<matrix const &>(*(X).bp))
+} // namespace GiNaC
 
 #endif // ndef __GINAC_MATRIX_H__