AutomaticDifferentiation/utils.hpp

36 lines
1.3 KiB
C++
Executable file

#ifndef DEF_utils
#define DEF_utils
#include <ostream>
#define PRINT_VAR(x) std::cout << #x << "\t= " << (x) << "\n"
#define PRINT_VEC(x); {std::cout << #x << "\t= "; \
for(unsigned int i_print_vec = 0 ; i_print_vec < (x).size() ; i_print_vec++) \
std::cout << (x)[i_print_vec] << "\t"; \
std::cout << "\n";}
#define PRINT_STR(x) std::cout << (x) << "\n"
template<typename T, typename T2> auto min(const T & a, const T2 & b) -> decltype(a | b) { return (a < b) ? a : b; }
template<typename T, typename T2> auto max(const T & a, const T2 & b) -> decltype(a | b) { return (a < b) ? b : a; }
/*
template<typename T, template<class,class...> class C, class... Args>
std::ostream& operator<<(std::ostream& os, const C<T,Args...>& objs)
{
for (auto const& obj : objs)
os << obj << ' ';
return os;
}//*/
/// Convenience template class to do `StdPairValueCatcher(a, b) = someFunctionThatReturnsAnStdPair<A,B>()`
/// Instead of doing `a = std::get<0>(result_from_function), b = std::get<1>(result_from_function)`
template<typename A, typename B>
struct StdPairValueCatcher
{
A & a;
B & b;
StdPairValueCatcher(A & a_, B & b_) : a(a_), b(b_) {}
std::pair<A, B> const& operator=(std::pair<A, B> const& p) {a = std::get<0>(p); b = std::get<1>(p); return p; }
};
#endif