tree dfe20aee07bf59aa04348dd81fbe22fe1dbf2a31
parent 899e2ada15e44923b127df1e552ea0ff487c99f4
author Gael Guennebaud <g.gael@free.fr> 1232719172 +0000
committer Gael Guennebaud <g.gael@free.fr> 1232719172 +0000

sparse module: makes -= and += operator working
Question 1: why are *=scalar and /=scalar working right away ?
Same weirdness in DynamicSparseMatrix where operators += and -= work wihout
  having to redefine them ???