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coord/ops: add vector floor function

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This commit is contained in:
Danny Robson 2015-09-29 18:06:52 +10:00
parent 0f0e3a8c93
commit 50c1088918
1 changed files with 17 additions and 0 deletions
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17
coord/ops.hpp
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@ -22,6 +22,7 @@
#include "../types/bits.hpp"
#include <cstdlib>
#include <cmath>
namespace util {
// forward declerations for traits
@ -323,6 +324,22 @@ namespace util {
bool
operator<= (K<S,T> k, T t)
{ return max (k) <= t; }
///////////////////////////////////////////////////////////////////////////
template <size_t S, typename T, template<size_t,typename> class K>
typename std::enable_if<
std::is_floating_point<T>::value,
K<S,T>
>::type
floor (K<S,T> k)
{
T (*floor_func)(T) = std::floor;
K<S,T> v;
std::transform (k.begin (), k.end (), v.begin (), floor_func);
return v;
}
}
#endif