Current File : //opt/alt/ruby31/include/ruby/internal/arithmetic/long_long.h
#ifndef RBIMPL_ARITHMETIC_LONG_LONG_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_ARITHMETIC_LONG_LONG_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 Arithmetic conversion between C's `long long` and Ruby's.
*/
#include "ruby/internal/value.h"
#include "ruby/internal/dllexport.h"
#include "ruby/internal/special_consts.h"
#include "ruby/backward/2/long_long.h"
#define RB_LL2NUM rb_ll2num_inline /**< @alias{rb_ll2num_inline} */
#define RB_ULL2NUM rb_ull2num_inline /**< @alias{rb_ull2num_inline} */
#define LL2NUM RB_LL2NUM /**< @old{RB_LL2NUM} */
#define ULL2NUM RB_ULL2NUM /**< @old{RB_ULL2NUM} */
#define RB_NUM2LL rb_num2ll_inline /**< @alias{rb_num2ll_inline} */
#define RB_NUM2ULL rb_num2ull_inline /**< @alias{rb_num2ull_inline} */
#define NUM2LL RB_NUM2LL /**< @old{RB_NUM2LL} */
#define NUM2ULL RB_NUM2ULL /**< @old{RB_NUM2ULL} */
RBIMPL_SYMBOL_EXPORT_BEGIN()
/**
* Converts a C's `long long` into an instance of ::rb_cInteger.
*
* @param[in] num Arbitrary `long long` value.
* @return An instance of ::rb_cInteger.
*/
VALUE rb_ll2inum(LONG_LONG num);
/**
* Converts a C's `unsigned long long` into an instance of ::rb_cInteger.
*
* @param[in] num Arbitrary `unsigned long long` value.
* @return An instance of ::rb_cInteger.
*/
VALUE rb_ull2inum(unsigned LONG_LONG num);
/**
* Converts an instance of ::rb_cNumeric into C's `long long`.
*
* @param[in] num Something numeric.
* @exception rb_eTypeError `num` is not a numeric.
* @exception rb_eRangeError `num` is out of range of `long long`.
* @return The passed value converted into C's `long long`.
*/
LONG_LONG rb_num2ll(VALUE num);
/**
* Converts an instance of ::rb_cNumeric into C's `unsigned long long`.
*
* @param[in] num Something numeric.
* @exception rb_eTypeError `num` is not a numeric.
* @exception rb_eRangeError `num` is out of range of `unsigned long long`.
* @return The passed value converted into C's `unsigned long long`.
*/
unsigned LONG_LONG rb_num2ull(VALUE num);
RBIMPL_SYMBOL_EXPORT_END()
/**
* Converts a C's `long long` into an instance of ::rb_cInteger.
*
* @param[in] n Arbitrary `long long` value.
* @return An instance of ::rb_cInteger
*/
static inline VALUE
rb_ll2num_inline(LONG_LONG n)
{
if (FIXABLE(n)) return LONG2FIX((long)n);
return rb_ll2inum(n);
}
/**
* Converts a C's `unsigned long long` into an instance of ::rb_cInteger.
*
* @param[in] n Arbitrary `unsigned long long` value.
* @return An instance of ::rb_cInteger
*/
static inline VALUE
rb_ull2num_inline(unsigned LONG_LONG n)
{
if (POSFIXABLE(n)) return LONG2FIX((long)n);
return rb_ull2inum(n);
}
/**
* Converts an instance of ::rb_cNumeric into C's `long long`.
*
* @param[in] x Something numeric.
* @exception rb_eTypeError `x` is not a numeric.
* @exception rb_eRangeError `x` is out of range of `long long`.
* @return The passed value converted into C's `long long`.
*/
static inline LONG_LONG
rb_num2ll_inline(VALUE x)
{
if (RB_FIXNUM_P(x))
return RB_FIX2LONG(x);
else
return rb_num2ll(x);
}
/**
* Converts an instance of ::rb_cNumeric into C's `unsigned long long`.
*
* @param[in] x Something numeric.
* @exception rb_eTypeError `x` is not a numeric.
* @exception rb_eRangeError `x` is out of range of `unsigned long long`.
* @return The passed value converted into C's `unsigned long long`.
*/
static inline unsigned LONG_LONG
rb_num2ull_inline(VALUE x)
{
if (RB_FIXNUM_P(x))
return RB_FIX2LONG(x);
else
return rb_num2ull(x);
}
#endif /* RBIMPL_ARITHMETIC_LONG_LONG_H */