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coord: express negate with scalar value multiply

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we don't have universal scalar reference operations implemented, this
avoids a temporary and removes compile errors
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Danny Robson 2015-04-08 14:53:55 +10:00
parent a67edcde1a
commit e1b03e0735
1 changed files with 1 additions and 2 deletions
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coord/ops.hpp
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@ -155,8 +155,7 @@ namespace util {
template <size_t S, typename T, template<size_t,typename> class K> template <size_t S, typename T, template<size_t,typename> class K>
K<S,T> operator- (K<S,T> k) K<S,T> operator- (K<S,T> k)
{ {
k *= -1; return k * T{-1};
return ;
} }