arithmetic operators for decimal series#351

Merged

zyzhu merged 4 commits intofslaborg:masterfrom jweibel22:decimal-operators

Jul 6, 2018

+38

Commits on Jun 24, 2016

added Operators for decimal series
Jimmy Weibel Rasmussen
committed

Commits on Jun 28, 2016

added some tests
Jimmy Weibel Rasmussen
committed
added the operators for scalars
Jimmy Weibel Rasmussen
committed

Commits on Jun 29, 2016

fixed test
Jimmy Weibel Rasmussen
committed