utils.hpp

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#ifndef UTILS_HPP_
#define UTILS_HPP_
 
#include <cassert>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
 
namespace libff {
 
typedef std::vector<bool> bit_vector;
 
size_t get_power_of_two(size_t n);
 
size_t log2(size_t n);
 
inline size_t exp2(size_t k) { return size_t(1) << k; }
 
size_t to_twos_complement(int i, size_t w);
int from_twos_complement(size_t i, size_t w);
 
size_t bitreverse(size_t n, const size_t l);
bit_vector int_list_to_bits(const std::initializer_list<unsigned long> &l, const size_t wordsize);
long long div_ceil(long long x, long long y);
 
bool is_little_endian();
 
std::string FORMAT(const std::string &prefix, const char* format, ...);
 
/* A variadic template to suppress unused argument warnings */
template<typename ... Types>
void UNUSED(Types&&...) {}
 
#ifdef DEBUG
#define FMT libff::FORMAT
#else
#define FMT(...) (libff::UNUSED(__VA_ARGS__), "")
#endif
 
void serialize_bit_vector(std::ostream &out, const bit_vector &v);
void deserialize_bit_vector(std::istream &in, bit_vector &v);
 
template<typename T>
size_t size_in_bits(const std::vector<T> &v);
 
#define ARRAY_SIZE(arr) (sizeof(arr)/sizeof(arr[0]))
 
} // libff
 
#include <libff/common/utils.tcc> /* note that utils has a templatized part (utils.tcc) and non-templatized part (utils.cpp) */
#endif // UTILS_HPP_