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coord: add elementwise abs function

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Danny Robson 2015-05-29 15:51:08 +10:00
parent 882fd9c87a
commit 8e0e65e2b8
1 changed files with 17 additions and 1 deletions
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18
coord/ops.hpp
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@ -19,6 +19,7 @@
#include "../preprocessor.hpp" #include "../preprocessor.hpp"
#include "../maths.hpp" #include "../maths.hpp"
#include "../types/bits.hpp"
#include <cstdlib> #include <cstdlib>
@ -228,7 +229,7 @@ namespace util {
template < template <
size_t S, size_t S,
typename T, typename T,
template<size_t,typename> class A, template <size_t,typename> class A,
template <size_t,typename> class B template <size_t,typename> class B
> >
T dot (A<S,T> a, B<S,T> b) T dot (A<S,T> a, B<S,T> b)
@ -239,6 +240,21 @@ namespace util {
return sum; return sum;
} }
//-------------------------------------------------------------------------
template <
size_t S,
typename T,
template <size_t,typename> class K
>
K<S,T>
abs (K<S,T> k)
{
for (auto &v: k)
v = std::abs (v);
return k;
}
/////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////
// logical element operators // logical element operators