upgrade libosmium dependency

This commit is contained in:
Dennis Luxen
2015-03-04 12:50:42 +01:00
32 changed files with 628 additions and 150 deletions
+39 -9
View File
@@ -33,36 +33,66 @@ DEALINGS IN THE SOFTWARE.
*/
#include <cassert>
#ifndef assert
# include <cassert>
#endif
#include <limits>
#include <type_traits>
namespace osmium {
template <typename T, typename F, typename std::enable_if<std::is_integral<T>::value && std::is_integral<F>::value && std::is_signed<T>::value && std::is_signed<F>::value, int>::type = 0>
// These functions are wrappers around static_cast<>() that call assert()
// to check that there is no integer overflow happening before doing the
// cast. There are several versions of this templated function here
// depending on the types of the input and output. In any case, both input
// and output have to be integral types. If the cast can't overflow, no
// check is done.
template <typename A, typename B>
struct are_real_integers :
std::integral_constant<bool,
std::is_integral<A>::value &&
std::is_integral<B>::value &&
!std::is_same<A, bool>::value &&
!std::is_same<B, bool>::value> {
};
template <typename T, typename F, typename std::enable_if<are_real_integers<T, F>::value && std::is_same<T, F>::value, int>::type = 0>
inline T static_cast_with_assert(const F value) {
return value;
}
template <typename T, typename F, typename std::enable_if<are_real_integers<T, F>::value && !std::is_same<T, F>::value && (sizeof(T) > sizeof(F)), int>::type = 0>
inline T static_cast_with_assert(const F value) {
return static_cast<T>(value);
}
template <typename T, typename F, typename std::enable_if<are_real_integers<T, F>::value && !std::is_same<T, F>::value && std::is_signed<T>::value == std::is_signed<F>::value && (sizeof(T) == sizeof(F)), int>::type = 0>
inline T static_cast_with_assert(const F value) {
return static_cast<T>(value);
}
template <typename T, typename F, typename std::enable_if<are_real_integers<T, F>::value && !std::is_same<T, F>::value && (sizeof(T) < sizeof(F)) && std::is_signed<T>::value && std::is_signed<F>::value, int>::type = 0>
inline T static_cast_with_assert(const F value) {
static_assert(sizeof(T) < sizeof(F), "unnecessary static_cast_with_assert when casting into type of equal or larger size");
assert(value >= std::numeric_limits<T>::min() && value <= std::numeric_limits<T>::max());
return static_cast<T>(value);
}
template <typename T, typename F, typename std::enable_if<std::is_integral<T>::value && std::is_integral<F>::value && std::is_unsigned<T>::value && std::is_signed<F>::value, int>::type = 0>
template <typename T, typename F, typename std::enable_if<are_real_integers<T, F>::value && !std::is_same<T, F>::value && (sizeof(T) <= sizeof(F)) && std::is_unsigned<T>::value && std::is_signed<F>::value, int>::type = 0>
inline T static_cast_with_assert(const F value) {
static_assert(sizeof(T) <= sizeof(F), "unnecessary static_cast_with_assert when casting into type of larger size");
assert(value >= 0 && static_cast<typename std::make_unsigned<F>::type>(value) <= std::numeric_limits<T>::max());
return static_cast<T>(value);
}
template <typename T, typename F, typename std::enable_if<std::is_integral<T>::value && std::is_integral<F>::value && std::is_unsigned<T>::value && std::is_unsigned<F>::value, int>::type = 0>
template <typename T, typename F, typename std::enable_if<are_real_integers<T, F>::value && !std::is_same<T, F>::value && (sizeof(T) < sizeof(F)) && std::is_unsigned<T>::value && std::is_unsigned<F>::value, int>::type = 0>
inline T static_cast_with_assert(const F value) {
static_assert(sizeof(T) < sizeof(F), "unnecessary static_cast_with_assert when casting into type of equal or larger size");
assert(value <= std::numeric_limits<T>::max());
return static_cast<T>(value);
}
template <typename T, typename F, typename std::enable_if<std::is_integral<T>::value && std::is_integral<F>::value && std::is_signed<T>::value && std::is_unsigned<F>::value, int>::type = 0>
template <typename T, typename F, typename std::enable_if<are_real_integers<T, F>::value && !std::is_same<T, F>::value && (sizeof(T) <= sizeof(F)) && std::is_signed<T>::value && std::is_unsigned<F>::value, int>::type = 0>
inline T static_cast_with_assert(const F value) {
static_assert(sizeof(T) <= sizeof(F), "unnecessary static_cast_with_assert when casting into type of larger size");
assert(value <= std::numeric_limits<T>::max());
return static_cast<T>(value);
}