P99
Macros
Preprocessor Boolean operations

Preprocessor macros that return tokens 0 or 1 according to the evaluation of their arguments. More...

+ Collaboration diagram for Preprocessor Boolean operations:

Macros

#define P99_IF_INT(TOK)   P99_IF_EQ_1(P99_IS_INT(TOK))
 
#define P99_IS_EQ(_0, _1)   P99_HAS_COMMA(P99_PASTE4(P00_IS_, _0, _EQ_, _1)())
 Determine if the two tokens _0 and _1 are equal. More...
 
#define P99_IS_GE(_0, _1)   P00_GE( P99_IS_EQ_0(_1), P99_CHS(_0, P99_SELS(_1, P00_ALL_ZEROES()), P00_ALL_ONES()))
 a decimal greater or equal operator More...
 
#define P99_IS_GT(_0, _1)   P99_IS_LT(_1, _0)
 a decimal greater than operator More...
 
#define P99_IS_INT(...)   P00_IS_INT(P99_IS_EQ_signed(__VA_ARGS__), P99_IS_EQ_int(__VA_ARGS__))
 
#define P99_IS_LE(_0, _1)   P99_IS_GE(_1, _0)
 a decimal less or equal operator More...
 
#define P99_IS_LT(_0, _1)   P00_LT( P99_IS_EQ_0(_1), P99_CHS(_0, P99_SELS(_1, P00_ALL_ONES()), P00_ALL_ZEROES()))
 a decimal less than operator More...
 
#define P99_IS_VOID(...)   P00_IS_VOID(P99_IS_EMPTY(__VA_ARGS__), P99_IS_EQ_void(__VA_ARGS__))
 Test whether or not its argument is empty or if it consists of the word void. More...
 
#define P99_LOGIC_AND(A, B)   P00_LOGIC_AND(P99_LOGIC_EVAL(A), P99_LOGIC_EVAL(B))
 Do a logical and of the arguments. More...
 
#define P99_LOGIC_EVAL(_0)   P00_EVAL_0(P99_IS_EMPTY(_0), P99_IS_EQ_0(_0))
 Do a evaluation of the argument. More...
 
#define P99_LOGIC_NOT(A)   P00_NOT_0(P99_IS_EMPTY(_0), P99_IS_EQ_0(_0))
 Do a logical negation of the argument. More...
 
#define P99_LOGIC_OR(A, B)   P00_LOGIC_OR(P99_LOGIC_EVAL(A), P99_LOGIC_EVAL(B))
 Do a logical inclusive or of the arguments. More...
 
#define P99_LOGIC_XOR(A, B)   P99_IS_EQ(P99_LOGIC_NOT(A), P99_LOGIC_EVAL(B))
 Do a logical exclusive or of the arguments. More...
 

Detailed Description

Preprocessor macros that return tokens 0 or 1 according to the evaluation of their arguments.