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Diffstat (limited to 'internal/rational.h')
| -rw-r--r-- | internal/rational.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/internal/rational.h b/internal/rational.h new file mode 100644 index 0000000000..993d056927 --- /dev/null +++ b/internal/rational.h @@ -0,0 +1,47 @@ +#ifndef INTERNAL_RATIONAL_H /* -*- C -*- */ +#define INTERNAL_RATIONAL_H +/** + * @file + * @brief Internal header for Rational. + * @author \@shyouhei + * @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. + */ + +struct RRational { + struct RBasic basic; + VALUE num; + VALUE den; +}; + +#define RRATIONAL(obj) (R_CAST(RRational)(obj)) +#define RRATIONAL_SET_NUM(rat, n) RB_OBJ_WRITE((rat), &((struct RRational *)(rat))->num,(n)) +#define RRATIONAL_SET_DEN(rat, d) RB_OBJ_WRITE((rat), &((struct RRational *)(rat))->den,(d)) + +/* rational.c */ +VALUE rb_rational_canonicalize(VALUE x); +VALUE rb_rational_uminus(VALUE self); +VALUE rb_rational_plus(VALUE self, VALUE other); +VALUE rb_rational_mul(VALUE self, VALUE other); +VALUE rb_lcm(VALUE x, VALUE y); +VALUE rb_rational_reciprocal(VALUE x); +VALUE rb_cstr_to_rat(const char *, int); +VALUE rb_rational_abs(VALUE self); +VALUE rb_rational_cmp(VALUE self, VALUE other); +VALUE rb_rational_pow(VALUE self, VALUE other); +VALUE rb_numeric_quo(VALUE x, VALUE y); +VALUE rb_float_numerator(VALUE x); +VALUE rb_float_denominator(VALUE x); + +RUBY_SYMBOL_EXPORT_BEGIN +/* rational.c (export) */ +VALUE rb_gcd(VALUE x, VALUE y); +VALUE rb_gcd_normal(VALUE self, VALUE other); +#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H) +VALUE rb_gcd_gmp(VALUE x, VALUE y); +#endif +RUBY_SYMBOL_EXPORT_END + +#endif /* INTERNAL_RATIONAL_H */ |