Ruby 3.1.3p185 (2022-11-24 revision 1a6b16756e0ba6b95ab71a441357ed5484e33498)
double.h
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1#ifndef RBIMPL_ARITHMETIC_DOUBLE_H /*-*-C++-*-vi:se ft=cpp:*/
2#define RBIMPL_ARITHMETIC_DOUBLE_H
25#include "ruby/internal/value.h"
26
27#define NUM2DBL rb_num2dbl
28#define RFLOAT_VALUE rb_float_value
29#define DBL2NUM rb_float_new
39double rb_num2dbl(VALUE num);
40
49double rb_float_value(VALUE num);
50
57VALUE rb_float_new(double d);
58
69VALUE rb_float_new_in_heap(double d);
71
72#endif /* RBIMPL_ARITHMETIC_DOUBLE_H */
Tweaking visibility of C variables/functions.
#define RBIMPL_SYMBOL_EXPORT_END()
Counterpart of RBIMPL_SYMBOL_EXPORT_BEGIN.
Definition: dllexport.h:106
#define RBIMPL_SYMBOL_EXPORT_BEGIN()
Shortcut macro equivalent to RUBY_SYMBOL_EXPORT_BEGIN extern "C" {.
Definition: dllexport.h:97
double rb_float_value(VALUE num)
Extracts its double value from an instance of rb_cFloat.
Definition: numeric.c:6424
VALUE rb_float_new_in_heap(double d)
Identical to rb_float_new(), except it does not generate Flonums.
Definition: numeric.c:1016
VALUE rb_float_new(double d)
Converts a C's double into an instance of rb_cFloat.
Definition: numeric.c:6431
double rb_num2dbl(VALUE num)
Converts an instance of rb_cNumeric into C's double.
Definition: object.c:3532
RBIMPL_ATTR_PURE() int rb_io_read_pending(rb_io_t *fptr)
Queries if the passed IO has any pending reads.
Defines RBIMPL_ATTR_PURE.
Defines VALUE and ID.