forked from OctaForge/libostd
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/* Function objects for OctaSTD.
|
|
*
|
|
* This file is part of OctaSTD. See COPYING.md for futher information.
|
|
*/
|
|
|
|
#ifndef OCTA_FUNCTIONAL_H
|
|
#define OCTA_FUNCTIONAL_H
|
|
|
|
namespace octa {
|
|
#define OCTA_DEFINE_BINARY_OP(name, op, rettype) \
|
|
template<typename T> struct name { \
|
|
bool operator()(const T &x, const T &y) const { return x op y; } \
|
|
struct type { \
|
|
typedef T first; \
|
|
typedef T second; \
|
|
typedef rettype result; \
|
|
}; \
|
|
};
|
|
|
|
OCTA_DEFINE_BINARY_OP(Less, <, bool)
|
|
OCTA_DEFINE_BINARY_OP(LessEqual, <=, bool)
|
|
OCTA_DEFINE_BINARY_OP(Greater, >, bool)
|
|
OCTA_DEFINE_BINARY_OP(GreaterEqual, >=, bool)
|
|
OCTA_DEFINE_BINARY_OP(Equal, ==, bool)
|
|
OCTA_DEFINE_BINARY_OP(NotEqual, !=, bool)
|
|
OCTA_DEFINE_BINARY_OP(LogicalAnd, &&, bool)
|
|
OCTA_DEFINE_BINARY_OP(LogicalOr, ||, bool)
|
|
OCTA_DEFINE_BINARY_OP(Modulus, %, T)
|
|
OCTA_DEFINE_BINARY_OP(Multiplies, *, T)
|
|
OCTA_DEFINE_BINARY_OP(Divides, /, T)
|
|
OCTA_DEFINE_BINARY_OP(Plus, +, T)
|
|
OCTA_DEFINE_BINARY_OP(Minus, -, T)
|
|
OCTA_DEFINE_BINARY_OP(BitAnd, &, T)
|
|
OCTA_DEFINE_BINARY_OP(BitOr, |, T)
|
|
OCTA_DEFINE_BINARY_OP(BitXor, ^, T)
|
|
|
|
#undef OCTA_DEFINE_BINARY_OP
|
|
|
|
template<typename T> struct LogicalNot {
|
|
bool operator()(const T &x) const { return !x; }
|
|
struct type {
|
|
typedef T argument;
|
|
typedef bool result;
|
|
};
|
|
};
|
|
|
|
template<typename T> struct Negate {
|
|
bool operator()(const T &x) const { return -x; }
|
|
struct type {
|
|
typedef T argument;
|
|
typedef T result;
|
|
};
|
|
};
|
|
}
|
|
|
|
#endif |