[Toon-members] TooN/internal vector.hh

[Edward Rosten]

CVSROOT:        /cvsroot/toon
Module name:    TooN
Changes by:     Edward Rosten <edrosten>        09/03/26 21:22:13

Modified files:
        internal       : vector.hh 

Log message:
        Nullary operators for Vector.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/TooN/internal/vector.hh?cvsroot=toon&r1=1.24&r2=1.25

Patches:
Index: vector.hh
===================================================================
RCS file: /cvsroot/toon/TooN/internal/vector.hh,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -b -r1.24 -r1.25
--- vector.hh   20 Mar 2009 16:49:25 -0000      1.24
+++ vector.hh   26 Mar 2009 21:22:13 -0000      1.25
@@ -14,6 +14,13 @@
        using Base::template Layout<Size, Precision>::size;
 
        // constructors to allow return value optimisations
+       // construction from 0-ary operator
+       template <class Op>
+       inline Vector(const Operator<Op>&){
+               Op::eval(*this);
+       }
+
+       // constructors to allow return value optimisations
        // construction from 1-ary operator
        template <class T, class Op>
        inline Vector(const T& arg, int size, const Operator<Op>&) : 
Base::template Layout<Size, Precision>(size) {
@@ -43,6 +50,12 @@
                operator=(from);
        }
 
+       // assignment from a 0-ary operator
+       template <class Op>
+       inline operator=(const Operator<Op>&){
+               Op::eval(*this);
+       }
+
        // operator = from copy
        inline Vector& operator= (const Vector& from){
                SizeMismatch<Size,Size>::test(size(), from.size());