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ruby--ruby/internal/complex.h

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add #include guard hack According to MSVC manual (*1), cl.exe can skip including a header file when that: - contains #pragma once, or - starts with #ifndef, or - starts with #if ! defined. GCC has a similar trick (*2), but it acts more stricter (e. g. there must be _no tokens_ outside of #ifndef...#endif). Sun C lacked #pragma once for a looong time. Oracle Developer Studio 12.5 finally implemented it, but we cannot assume such recent version. This changeset modifies header files so that each of them include strictly one #ifndef...#endif. I believe this is the most portable way to trigger compiler optimizations. [Bug #16770] *1: https://docs.microsoft.com/en-us/cpp/preprocessor/once *2: https://gcc.gnu.org/onlinedocs/cppinternals/Guard-Macros.html
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#ifndef INTERNAL_COMPLEX_H /*-*-C-*-vi:se ft=c:*/
#define INTERNAL_COMPLEX_H
/**
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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* @file
Merge pull request #2991 from shyouhei/ruby.h Split ruby.h
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* @author Ruby developers <ruby-core@ruby-lang.org>
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
Merge pull request #2991 from shyouhei/ruby.h Split ruby.h
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* @brief Internal header for Complex.
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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*/
sed -i 's|ruby/impl|ruby/internal|' To fix build failures.
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#include "ruby/internal/value.h" /* for struct RBasic */
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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struct RComplex {
struct RBasic basic;
VALUE real;
VALUE imag;
};
#define RCOMPLEX(obj) (R_CAST(RComplex)(obj))
/* shortcut macro for internal only */
other minior internal header tweaks These headers need no rewrite. Just add some minor tweaks, like addition of #include lines. Mainly cosmetic. TIMET_MAX_PLUS_ONE was deleted because the macro was used from only one place (directly write expression there).
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#define RCOMPLEX_SET_REAL(cmp, r) RB_OBJ_WRITE((cmp), &RCOMPLEX(cmp)->real, (r))
#define RCOMPLEX_SET_IMAG(cmp, i) RB_OBJ_WRITE((cmp), &RCOMPLEX(cmp)->imag, (i))
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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/* complex.c */
VALUE rb_dbl_complex_new_polar_pi(double abs, double ang);
#endif /* INTERNAL_COMPLEX_H */
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