[Toon-members] TooN linoperators.hh

[Edward Rosten]

CVSROOT:        /cvsroot/toon
Module name:    TooN
Changes by:     Edward Rosten <edrosten>        08/07/24 19:46:41

Modified files:
        .              : linoperators.hh 

Log message:
        Operatror += for RefSkipMatrixRM, which makes a copy of the reference. 
This has
        to be done since the RefSkipMatrixRM from .slice() is a temporary can 
only be
        used as a const& or copied. For mutating operations like +=, a copy has 
to be
        used.
        
        The earlier permissivity of gcc allowed to code to get away without 
this.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/TooN/linoperators.hh?cvsroot=toon&r1=1.20&r2=1.21

Patches:
Index: linoperators.hh
===================================================================
RCS file: /cvsroot/toon/TooN/linoperators.hh,v
retrieving revision 1.20
retrieving revision 1.21
diff -u -b -r1.20 -r1.21
--- linoperators.hh     24 Jan 2008 15:07:41 -0000      1.20
+++ linoperators.hh     24 Jul 2008 19:46:41 -0000      1.21
@@ -850,6 +850,22 @@
   return lhs;
 }
 
+template <int Rows, int Cols, class MAccessor> inline
+RefSkipMatrixRM operator += (RefSkipMatrixRM lhs, const 
FixedMatrix<Rows,Cols,MAccessor>& rhs)
+{
+  assert(lhs.num_rows() == Rows && lhs.num_cols() == Cols);
+  for(int r=0; r<Rows; r++)
+         for(int c=0; c<Cols; c++)
+      lhs[r][c] += rhs[r][c];
+  
+  return lhs;
+}
+
+
+
+
+
+
 /////////////////////
 // operator -      //
 // Matrix - Matrix //