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Diffstat (limited to 'include/ruby/impl/arithmetic/fixnum.h')
| -rw-r--r-- | include/ruby/impl/arithmetic/fixnum.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/include/ruby/impl/arithmetic/fixnum.h b/include/ruby/impl/arithmetic/fixnum.h deleted file mode 100644 index 68544b760b..0000000000 --- a/include/ruby/impl/arithmetic/fixnum.h +++ /dev/null @@ -1,44 +0,0 @@ -#ifndef RBIMPL_ARITHMETIC_FIXNUM_H /*-*-C++-*-vi:se ft=cpp:*/ -#define RBIMPL_ARITHMETIC_FIXNUM_H -/** - * @file - * @author Ruby developers <ruby-core@ruby-lang.org> - * @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. - * @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are - * implementation details. Don't take them as canon. They could - * rapidly appear then vanish. The name (path) of this header file - * is also an implementation detail. Do not expect it to persist - * at the place it is now. Developers are free to move it anywhere - * anytime at will. - * @note To ruby-core: remember that this header can be possibly - * recursively included from extension libraries written in C++. - * Do not expect for instance `__VA_ARGS__` is always available. - * We assume C99 for ruby itself but we don't assume languages of - * extension libraries. They could be written in C++98. - * @brief Handling of integers formerly known as Fixnums. - */ -#include "ruby/backward/2/limits.h" - -#define FIXABLE RB_FIXABLE -#define FIXNUM_MAX RUBY_FIXNUM_MAX -#define FIXNUM_MIN RUBY_FIXNUM_MIN -#define NEGFIXABLE RB_NEGFIXABLE -#define POSFIXABLE RB_POSFIXABLE - -/* - * FIXABLE can be applied to anything, from double to intmax_t. The problem is - * double. On a 64bit system RUBY_FIXNUM_MAX is 4,611,686,018,427,387,903, - * which is not representable by a double. The nearest value that a double can - * represent is 4,611,686,018,427,387,904, which is not fixable. The - * seemingly-stragne "< FIXNUM_MAX + 1" expression below is due to this. - */ -#define RB_POSFIXABLE(_) ((_) < RUBY_FIXNUM_MAX + 1) -#define RB_NEGFIXABLE(_) ((_) >= RUBY_FIXNUM_MIN) -#define RB_FIXABLE(_) (RB_POSFIXABLE(_) && RB_NEGFIXABLE(_)) -#define RUBY_FIXNUM_MAX (LONG_MAX / 2) -#define RUBY_FIXNUM_MIN (LONG_MIN / 2) - -#endif /* RBIMPL_ARITHMETIC_FIXNUM_H */ |