[Toon-members] TooN sl.h

[Gerhard Reitmayr]

CVSROOT:        /cvsroot/toon
Module name:    TooN
Changes by:     Gerhard Reitmayr <gerhard>      09/05/13 16:01:00

Modified files:
        .              : sl.h 

Log message:
        some fixes

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/TooN/sl.h?cvsroot=toon&r1=1.4&r2=1.5

Patches:
Index: sl.h
===================================================================
RCS file: /cvsroot/toon/TooN/sl.h,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -b -r1.4 -r1.5
--- sl.h        27 Apr 2009 13:36:32 -0000      1.4
+++ sl.h        13 May 2009 16:01:00 -0000      1.5
@@ -69,7 +69,7 @@
 
        /// copy constructor from a matrix, coerces matrix to be of determinant 
= 1
        template <int R, int C, typename P, typename A>
-       SL(Matrix<R,C,P,A>& M) : my_matrix(M) { coerce(); }
+       SL(const Matrix<R,C,P,A>& M) : my_matrix(M) { coerce(); }
 
        /// returns the represented matrix
        const Matrix<N,N,Precision> & get_matrix() const { return my_matrix; }
@@ -100,7 +100,8 @@
                using std::abs;
                Precision det = LU<N>(my_matrix).determinant();
                assert(abs(det) > 0);
-               my_matrix /= det;
+        using std::pow;
+               my_matrix /= pow(det, 1.0/N);
        }
 
        /// these constants indicate which parts of the parameter vector