assertions.h

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#ifndef GOOSEFEM_ASSERTIONS_H
#define GOOSEFEM_ASSERTIONS_H
 
#include "config.h"
 
namespace GooseFEM {
 
template <class T>
inline bool is_unique(const T& arg)
{
    array_type::tensor<typename T::value_type, 1> flat = xt::ravel(arg);
    array_type::tensor<typename T::value_type, 1> unique = xt::unique(flat);
    array_type::tensor<typename T::value_type, 1> sorted = xt::sort(flat);
 
    if (unique.size() != sorted.size()) {
        return false;
    }
 
    return xt::all(xt::equal(unique, sorted));
}
 
} // namespace GooseFEM
 
#endif