eq.h File Reference

PPUTL_EQ - expands to 1 if two numbers a and b [0, 256) are equal, or 0 if not More...

#include "pputl/choose.h"
#include "pputl/gen/repeat.h"

Go to the source code of this file.

Macros
#define	PPUTL_EQ(a, b)   PPUTL_DETAIL_EQ_X(a, b)
#define	PPUTL_DETAIL_EQ_X(a, b)   PPUTL_CHOOSE(a)(PPUTL_DETAIL_EQ_BITS_CHOICE(b)(b))
#define	PPUTL_DETAIL_EQ_BITS_CHOICE(i)
#define	PPUTL_DETAIL_EQ_BITS_EQ0(i)   1, PPUTL_GEN_REPEAT(255, 0)
#define	PPUTL_DETAIL_EQ_BITS_GT0(i)   PPUTL_GEN_REPEAT(i, 0), 1, PPUTL_GEN_REPEAT(254, 0)

Detailed Description

PPUTL_EQ - expands to 1 if two numbers a and b [0, 256) are equal, or 0 if not

Macro Definition Documentation

PPUTL_DETAIL_EQ_BITS_CHOICE

#define PPUTL_DETAIL_EQ_BITS_CHOICE

(

i

)

Value:

  PPUTL_CHOOSE(i)                      \
  (PPUTL_DETAIL_EQ_BITS_EQ0, PPUTL_GEN_REPEAT(255, PPUTL_DETAIL_EQ_BITS_GT0))