#ifndef RUBY3_ARITHMETIC_DOUBLE_H /*-*-C++-*-vi:se ft=cpp:*/ #define RUBY3_ARITHMETIC_DOUBLE_H /** * @file * @author Ruby developers * @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 `RUBY3` or `ruby3` 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 `double` and Ruby's. */ #include "ruby/3/attr/pure.h" #include "ruby/3/dllexport.h" #include "ruby/3/value.h" #define NUM2DBL rb_num2dbl #define RFLOAT_VALUE rb_float_value #define DBL2NUM rb_float_new RUBY3_SYMBOL_EXPORT_BEGIN() double rb_num2dbl(VALUE); RUBY3_ATTR_PURE() double rb_float_value(VALUE); VALUE rb_float_new(double); VALUE rb_float_new_in_heap(double); RUBY3_SYMBOL_EXPORT_END() #endif /* RUBY3_ARITHMETIC_DOUBLE_H */