ATLAS Offline Software: pputils.h File Reference

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Preprocessor utilities. More...

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Macros
#define	CXXUTILS_PP_FIRST(...)
#define	CXXUTILS_PP_ARG1(...)
#define	CXXUTILS_PP_ARG1_(A, ...)
#define	CXXUTILS_PP_SECOND(...)
#define	CXXUTILS_PP_ARG2(...)
#define	CXXUTILS_PP_ARG2_(A, ...)
#define	CXXUTILS_PP_THIRD(...)
#define	CXXUTILS_PP_ARG3(...)
#define	CXXUTILS_PP_ARG3_(A, ...)
#define	CXXUTILS_PP_FOURTH(...)
#define	CXXUTILS_PP_ARG4(...)
#define	CXXUTILS_PP_ARG4_(A, ...)
#define	CXXUTILS_PP_FIFTH(...)
#define	CXXUTILS_PP_ARG5(...)
#define	CXXUTILS_PP_ARG5_(A, ...)

Detailed Description

Preprocessor utilities.

Author: scott snyder snyde.nosp@m.r@bn.nosp@m.l.gov

Date: May, 2024

Given an argument list of arbitrary length, CXXUTILS_PP_FIRST returns a comma followed by the first argument if it exists; otherwise, it expands to nothing. CXXUTILS_PP_SECOND does the same thing for the second argument, and so on through @CXXUTILS_PP_FIFTH.

That is:

CXXUTILS_PP_FIRST(a, b, c)  -> , a
CXXUTILS_PP_FIRST()         ->
CXXUTILS_PP_SECOND(a, b, c) -> , b
CXXUTILS_PP_SECOND(a)       ->

CXXUTILS_PP_ARG1 through CXXUTILS_PP_ARG5 are also available as synonyms that may be more useful if these are used through the expansion of other macros.

Definition in file pputils.h.

Macro Definition Documentation

◆ CXXUTILS_PP_ARG1

#define CXXUTILS_PP_ARG1 ( ... )

Value:

__VA_OPT__(CXXUTILS_PP_ARG1_(__VA_ARGS__))

CXXUTILS_PP_ARG1_

#define CXXUTILS_PP_ARG1_(A,...)

Definition pputils.h:36

Definition at line 35 of file pputils.h.

◆ CXXUTILS_PP_ARG1_

#define CXXUTILS_PP_ARG1_	(		A,
			... )

Value:

, A

hold the test vectors and ease the comparison

Definition at line 36 of file pputils.h.

◆ CXXUTILS_PP_ARG2

#define CXXUTILS_PP_ARG2 ( ... )

Value:

__VA_OPT__(CXXUTILS_PP_ARG2_(__VA_ARGS__))

CXXUTILS_PP_ARG2_

#define CXXUTILS_PP_ARG2_(A,...)

Definition pputils.h:40

Definition at line 39 of file pputils.h.

◆ CXXUTILS_PP_ARG2_

#define CXXUTILS_PP_ARG2_	(		A,
			... )

Value:

CXXUTILS_PP_ARG1(__VA_ARGS__)

CXXUTILS_PP_ARG1

#define CXXUTILS_PP_ARG1(...)

Definition pputils.h:35

Definition at line 40 of file pputils.h.

◆ CXXUTILS_PP_ARG3

#define CXXUTILS_PP_ARG3 ( ... )

Value:

__VA_OPT__(CXXUTILS_PP_ARG3_(__VA_ARGS__))

CXXUTILS_PP_ARG3_

#define CXXUTILS_PP_ARG3_(A,...)

Definition pputils.h:44

Definition at line 43 of file pputils.h.

◆ CXXUTILS_PP_ARG3_

#define CXXUTILS_PP_ARG3_	(		A,
			... )

Value:

CXXUTILS_PP_ARG2(__VA_ARGS__)

CXXUTILS_PP_ARG2

#define CXXUTILS_PP_ARG2(...)

Definition pputils.h:39

Definition at line 44 of file pputils.h.

◆ CXXUTILS_PP_ARG4

#define CXXUTILS_PP_ARG4 ( ... )

Value:

__VA_OPT__(CXXUTILS_PP_ARG4_(__VA_ARGS__))

CXXUTILS_PP_ARG4_

#define CXXUTILS_PP_ARG4_(A,...)

Definition pputils.h:48

Definition at line 47 of file pputils.h.

◆ CXXUTILS_PP_ARG4_

#define CXXUTILS_PP_ARG4_	(		A,
			... )

Value:

CXXUTILS_PP_ARG3(__VA_ARGS__)

CXXUTILS_PP_ARG3

#define CXXUTILS_PP_ARG3(...)

Definition pputils.h:43

Definition at line 48 of file pputils.h.

◆ CXXUTILS_PP_ARG5

#define CXXUTILS_PP_ARG5 ( ... )

Value:

__VA_OPT__(CXXUTILS_PP_ARG5_(__VA_ARGS__))

CXXUTILS_PP_ARG5_

#define CXXUTILS_PP_ARG5_(A,...)

Definition pputils.h:52

Definition at line 51 of file pputils.h.

◆ CXXUTILS_PP_ARG5_

#define CXXUTILS_PP_ARG5_	(		A,
			... )

Value:

CXXUTILS_PP_ARG4(__VA_ARGS__)

CXXUTILS_PP_ARG4

#define CXXUTILS_PP_ARG4(...)

Definition pputils.h:47

Definition at line 52 of file pputils.h.

◆ CXXUTILS_PP_FIFTH

#define CXXUTILS_PP_FIFTH ( ... )

Value:

CXXUTILS_PP_ARG5(__VA_ARGS__)

CXXUTILS_PP_ARG5

#define CXXUTILS_PP_ARG5(...)

Definition pputils.h:51

Definition at line 50 of file pputils.h.

◆ CXXUTILS_PP_FIRST

#define CXXUTILS_PP_FIRST ( ... )

Value:

CXXUTILS_PP_ARG1(__VA_ARGS__)

Definition at line 34 of file pputils.h.

◆ CXXUTILS_PP_FOURTH

#define CXXUTILS_PP_FOURTH ( ... )

Value:

CXXUTILS_PP_ARG4(__VA_ARGS__)

Definition at line 46 of file pputils.h.

◆ CXXUTILS_PP_SECOND

#define CXXUTILS_PP_SECOND ( ... )

Value:

CXXUTILS_PP_ARG2(__VA_ARGS__)

Definition at line 38 of file pputils.h.

◆ CXXUTILS_PP_THIRD

#define CXXUTILS_PP_THIRD ( ... )

Value:

CXXUTILS_PP_ARG3(__VA_ARGS__)

Definition at line 42 of file pputils.h.