Ruby  2.0.0p353(2013-11-22revision43784)
Macros | Functions | Variables
rational.c File Reference
#include "ruby.h"
#include "internal.h"
#include <math.h>
#include <float.h>
#include <assert.h>
#include <ctype.h>
Include dependency graph for rational.c:

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Macros

#define NDEBUG
 
#define ZERO   INT2FIX(0)
 
#define ONE   INT2FIX(1)
 
#define TWO   INT2FIX(2)
 
#define f_boolcast(x)   ((x) ? Qtrue : Qfalse)
 
#define binop(n, op)
 
#define fun1(n)
 
#define fun2(n)
 
#define f_expt10(x)   f_expt(INT2FIX(10), x)
 
#define f_positive_p(x)   (!f_negative_p(x))
 
#define f_nonzero_p(x)   (!f_zero_p(x))
 
#define k_exact_p(x)   (!k_float_p(x))
 
#define k_inexact_p(x)   k_float_p(x)
 
#define k_exact_zero_p(x)   (k_exact_p(x) && f_zero_p(x))
 
#define k_exact_one_p(x)   (k_exact_p(x) && f_one_p(x))
 
#define get_dat1(x)
 
#define get_dat2(x, y)
 
#define rb_raise_zerodiv()   rb_raise(rb_eZeroDivError, "divided by 0")
 
#define id_ceil   rb_intern("ceil")
 
#define f_ceil(x)   rb_funcall((x), id_ceil, 0)
 
#define id_quo   rb_intern("quo")
 
#define f_quo(x, y)   rb_funcall((x), id_quo, 1, (y))
 
#define f_reciprocal(x)   f_quo(ONE, (x))
 
#define id_numerator   rb_intern("numerator")
 
#define f_numerator(x)   rb_funcall((x), id_numerator, 0)
 
#define id_denominator   rb_intern("denominator")
 
#define f_denominator(x)   rb_funcall((x), id_denominator, 0)
 
#define id_to_r   rb_intern("to_r")
 
#define f_to_r(x)   rb_funcall((x), id_to_r, 0)
 
#define id_lshift   rb_intern("<<")
 
#define f_lshift(x, n)   rb_funcall((x), id_lshift, 1, (n))
 
#define rb_intern(str)   rb_intern_const(str)
 

Functions

static VALUE f_add (VALUE x, VALUE y)
 
static VALUE f_cmp (VALUE x, VALUE y)
 
static VALUE f_div (VALUE x, VALUE y)
 
static VALUE f_gt_p (VALUE x, VALUE y)
 
static VALUE f_lt_p (VALUE x, VALUE y)
 
 binop (mod, '%')
 
static VALUE f_sub (VALUE x, VALUE y)
 
 fun1 (abs)
 
static VALUE f_to_f (VALUE x)
 
 fun1 (to_s)
 
 fun2 (expt)
 
static VALUE f_zero_p (VALUE x)
 
static VALUE f_one_p (VALUE x)
 
static VALUE f_minus_one_p (VALUE x)
 
static VALUE f_kind_of_p (VALUE x, VALUE c)
 
static VALUE k_numeric_p (VALUE x)
 
static VALUE k_integer_p (VALUE x)
 
static VALUE k_float_p (VALUE x)
 
static VALUE k_rational_p (VALUE x)
 
static long i_gcd (long x, long y)
 
static VALUE f_gcd (VALUE x, VALUE y)
 
static VALUE f_lcm (VALUE x, VALUE y)
 
static VALUE nurat_s_new_internal (VALUE klass, VALUE num, VALUE den)
 
static VALUE nurat_s_alloc (VALUE klass)
 
static VALUE f_rational_new_bang1 (VALUE klass, VALUE x)
 
static VALUE f_rational_new_bang2 (VALUE klass, VALUE x, VALUE y)
 
static void nurat_int_check (VALUE num)
 
static VALUE nurat_int_value (VALUE num)
 
static VALUE nurat_s_canonicalize_internal (VALUE klass, VALUE num, VALUE den)
 
static VALUE nurat_s_canonicalize_internal_no_reduce (VALUE klass, VALUE num, VALUE den)
 
static VALUE nurat_s_new (int argc, VALUE *argv, VALUE klass)
 
static VALUE f_rational_new1 (VALUE klass, VALUE x)
 
static VALUE f_rational_new2 (VALUE klass, VALUE x, VALUE y)
 
static VALUE f_rational_new_no_reduce1 (VALUE klass, VALUE x)
 
static VALUE f_rational_new_no_reduce2 (VALUE klass, VALUE x, VALUE y)
 
static VALUE nurat_f_rational (int argc, VALUE *argv, VALUE klass)
 
static VALUE nurat_numerator (VALUE self)
 
static VALUE nurat_denominator (VALUE self)
 
static VALUE f_imul (long a, long b)
 
static VALUE f_addsub (VALUE self, VALUE anum, VALUE aden, VALUE bnum, VALUE bden, int k)
 
static VALUE nurat_add (VALUE self, VALUE other)
 
static VALUE nurat_sub (VALUE self, VALUE other)
 
static VALUE f_muldiv (VALUE self, VALUE anum, VALUE aden, VALUE bnum, VALUE bden, int k)
 
static VALUE nurat_mul (VALUE self, VALUE other)
 
static VALUE nurat_div (VALUE self, VALUE other)
 
static VALUE nurat_fdiv (VALUE self, VALUE other)
 
static VALUE f_odd_p (VALUE integer)
 
static VALUE nurat_expt (VALUE self, VALUE other)
 
static VALUE nurat_cmp (VALUE self, VALUE other)
 
static VALUE nurat_eqeq_p (VALUE self, VALUE other)
 
static VALUE nurat_coerce (VALUE self, VALUE other)
 
static VALUE nurat_floor (VALUE self)
 
static VALUE nurat_ceil (VALUE self)
 
static VALUE nurat_truncate (VALUE self)
 
static VALUE nurat_round (VALUE self)
 
static VALUE f_round_common (int argc, VALUE *argv, VALUE self, VALUE(*func)(VALUE))
 
static VALUE nurat_floor_n (int argc, VALUE *argv, VALUE self)
 
static VALUE nurat_ceil_n (int argc, VALUE *argv, VALUE self)
 
static VALUE nurat_truncate_n (int argc, VALUE *argv, VALUE self)
 
static VALUE nurat_round_n (int argc, VALUE *argv, VALUE self)
 
static VALUE nurat_to_f (VALUE self)
 
static VALUE nurat_to_r (VALUE self)
 
static void nurat_rationalize_internal (VALUE a, VALUE b, VALUE *p, VALUE *q)
 
static VALUE nurat_rationalize (int argc, VALUE *argv, VALUE self)
 
static VALUE nurat_hash (VALUE self)
 
static VALUE f_format (VALUE self, VALUE(*func)(VALUE))
 
static VALUE nurat_to_s (VALUE self)
 
static VALUE nurat_inspect (VALUE self)
 
static VALUE nurat_dumper (VALUE self)
 
static VALUE nurat_loader (VALUE self, VALUE a)
 
static VALUE nurat_marshal_dump (VALUE self)
 
static VALUE nurat_marshal_load (VALUE self, VALUE a)
 
VALUE rb_rational_reciprocal (VALUE x)
 
VALUE rb_gcd (VALUE self, VALUE other)
 
VALUE rb_lcm (VALUE self, VALUE other)
 
VALUE rb_gcdlcm (VALUE self, VALUE other)
 
VALUE rb_rational_raw (VALUE x, VALUE y)
 
VALUE rb_rational_new (VALUE x, VALUE y)
 
static VALUE nurat_s_convert (int argc, VALUE *argv, VALUE klass)
 
VALUE rb_Rational (VALUE x, VALUE y)
 
static VALUE numeric_numerator (VALUE self)
 
static VALUE numeric_denominator (VALUE self)
 
static VALUE integer_numerator (VALUE self)
 
static VALUE integer_denominator (VALUE self)
 
static VALUE float_numerator (VALUE self)
 
static VALUE float_denominator (VALUE self)
 
static VALUE nilclass_to_r (VALUE self)
 
static VALUE nilclass_rationalize (int argc, VALUE *argv, VALUE self)
 
static VALUE integer_to_r (VALUE self)
 
static VALUE integer_rationalize (int argc, VALUE *argv, VALUE self)
 
static void float_decode_internal (VALUE self, VALUE *rf, VALUE *rn)
 
static VALUE float_to_r (VALUE self)
 
static VALUE float_rationalize (int argc, VALUE *argv, VALUE self)
 
static int issign (int c)
 
static int read_sign (const char **s)
 
static int isdecimal (int c)
 
static int read_digits (const char **s, int strict, VALUE *num, int *count)
 
static int islettere (int c)
 
static int read_num (const char **s, int numsign, int strict, VALUE *num)
 
static int read_den (const char **s, int strict, VALUE *num)
 
static int read_rat_nos (const char **s, int sign, int strict, VALUE *num)
 
static int read_rat (const char **s, int strict, VALUE *num)
 
static void skip_ws (const char **s)
 
static int parse_rat (const char *s, int strict, VALUE *num)
 
static VALUE string_to_r_strict (VALUE self)
 
static VALUE string_to_r (VALUE self)
 
VALUE rb_cstr_to_rat (const char *s, int strict)
 
void Init_Rational (void)
 

Variables

VALUE rb_cRational
 
static ID id_abs
 
static ID id_cmp
 
static ID id_convert
 
static ID id_eqeq_p
 
static ID id_expt
 
static ID id_fdiv
 
static ID id_floor
 
static ID id_idiv
 
static ID id_inspect
 
static ID id_integer_p
 
static ID id_negate
 
static ID id_to_f
 
static ID id_to_i
 
static ID id_to_s
 
static ID id_truncate
 
static ID id_i_num
 
static ID id_i_den
 

Macro Definition Documentation

#define binop (   n,
  op 
)
Value:
inline static VALUE \
f_##n(VALUE x, VALUE y)\
{\
return rb_funcall(x, (op), 1, y);\
}
VALUE rb_funcall(VALUE, ID, int,...)
Calls a method.
Definition: vm_eval.c:774
unsigned long VALUE
Definition: ruby.h:104

Definition at line 32 of file rational.c.

#define f_boolcast (   x)    ((x) ? Qtrue : Qfalse)

Definition at line 30 of file rational.c.

Referenced by f_gt_p(), f_lt_p(), f_minus_one_p(), f_one_p(), f_zero_p(), fun1(), fun2(), and nurat_eqeq_p().

#define f_ceil (   x)    rb_funcall((x), id_ceil, 0)

Definition at line 1427 of file rational.c.

Referenced by nurat_rationalize_internal().

#define f_denominator (   x)    rb_funcall((x), id_denominator, 0)
#define f_expt10 (   x)    f_expt(INT2FIX(10), x)

Referenced by f_round_common(), and read_num().

#define f_lshift (   x,
 
)    rb_funcall((x), id_lshift, 1, (n))

Definition at line 1935 of file rational.c.

Referenced by float_rationalize(), and float_to_r().

#define f_nonzero_p (   x)    (!f_zero_p(x))

Definition at line 201 of file rational.c.

Referenced by f_rational_new_bang2().

#define f_numerator (   x)    rb_funcall((x), id_numerator, 0)

Definition at line 1762 of file rational.c.

Referenced by nucomp_expt(), nucomp_numerator(), and numeric_numerator().

#define f_positive_p (   x)    (!f_negative_p(x))

Definition at line 181 of file rational.c.

Referenced by f_rational_new_bang2(), and float_rationalize().

#define f_quo (   x,
 
)    rb_funcall((x), id_quo, 1, (y))

Definition at line 1430 of file rational.c.

#define f_reciprocal (   x)    f_quo(ONE, (x))

Definition at line 1432 of file rational.c.

Referenced by nurat_rationalize_internal().

#define f_to_r (   x)    rb_funcall((x), id_to_r, 0)
#define fun1 (   n)
Value:
inline static VALUE \
f_##n(VALUE x)\
{\
return rb_funcall(x, id_##n, 0);\
}
VALUE rb_funcall(VALUE, ID, int,...)
Calls a method.
Definition: vm_eval.c:774
unsigned long VALUE
Definition: ruby.h:104

Definition at line 39 of file rational.c.

#define fun2 (   n)
Value:
inline static VALUE \
f_##n(VALUE x, VALUE y)\
{\
return rb_funcall(x, id_##n, 1, y);\
}
VALUE rb_funcall(VALUE, ID, int,...)
Calls a method.
Definition: vm_eval.c:774
unsigned long VALUE
Definition: ruby.h:104

Definition at line 46 of file rational.c.

#define get_dat1 (   x)
#define get_dat2 (   x,
 
)
Value:
struct RRational *adat, *bdat;\
adat = ((struct RRational *)(x));\
bdat = ((struct RRational *)(y))

Definition at line 363 of file rational.c.

Referenced by nurat_add(), nurat_cmp(), nurat_div(), nurat_eqeq_p(), nurat_mul(), and nurat_sub().

#define id_ceil   rb_intern("ceil")

Definition at line 1426 of file rational.c.

#define id_denominator   rb_intern("denominator")

Definition at line 1764 of file rational.c.

#define id_lshift   rb_intern("<<")

Definition at line 1934 of file rational.c.

#define id_numerator   rb_intern("numerator")

Definition at line 1761 of file rational.c.

#define id_quo   rb_intern("quo")

Definition at line 1429 of file rational.c.

#define id_to_r   rb_intern("to_r")

Definition at line 1767 of file rational.c.

#define k_exact_one_p (   x)    (k_exact_p(x) && f_one_p(x))

Definition at line 277 of file rational.c.

Referenced by nurat_s_convert().

#define k_exact_p (   x)    (!k_float_p(x))

Definition at line 273 of file rational.c.

Referenced by nurat_expt().

#define k_exact_zero_p (   x)    (k_exact_p(x) && f_zero_p(x))

Definition at line 276 of file rational.c.

Referenced by nurat_coerce(), nurat_expt(), and nurat_s_convert().

#define k_inexact_p (   x)    k_float_p(x)

Definition at line 274 of file rational.c.

#define NDEBUG

Definition at line 17 of file rational.c.

#define ONE   INT2FIX(1)
#define rb_intern (   str)    rb_intern_const(str)

Referenced by Init_Rational().

#define rb_raise_zerodiv ( )    rb_raise(rb_eZeroDivError, "divided by 0")
#define TWO   INT2FIX(2)

Definition at line 22 of file rational.c.

Referenced by float_rationalize(), and nurat_round().

#define ZERO   INT2FIX(0)

Function Documentation

binop ( mod  ,
'%'   
)

Definition at line 101 of file rational.c.

References FIX2LONG, FIXNUM_P, rb_funcall(), RB_TYPE_P, T_BIGNUM, and ZERO.

static VALUE f_add ( VALUE  x,
VALUE  y 
)
inlinestatic
static VALUE f_addsub ( VALUE  self,
VALUE  anum,
VALUE  aden,
VALUE  bnum,
VALUE  bden,
int  k 
)
inlinestatic
static VALUE f_cmp ( VALUE  x,
VALUE  y 
)
inlinestatic
static VALUE f_div ( VALUE  x,
VALUE  y 
)
inlinestatic

Definition at line 78 of file rational.c.

References FIX2LONG, FIXNUM_P, and rb_funcall().

Referenced by f_lcm(), f_round_common(), nurat_fdiv(), nurat_s_convert(), read_num(), and read_rat_nos().

static VALUE f_format ( VALUE  self,
VALUE(*)(VALUE func 
)
static

Definition at line 1576 of file rational.c.

References func, get_dat1, rb_str_cat2(), and rb_str_concat().

Referenced by nurat_inspect(), and nurat_to_s().

static VALUE f_gcd ( VALUE  x,
VALUE  y 
)
inlinestatic
static VALUE f_gt_p ( VALUE  x,
VALUE  y 
)
inlinestatic

Definition at line 86 of file rational.c.

References f_boolcast, FIX2LONG, FIXNUM_P, and rb_funcall().

static VALUE f_imul ( long  a,
long  b 
)
inlinestatic

Definition at line 639 of file rational.c.

References LONG2NUM, MUL_OVERFLOW_LONG_P, rb_big_mul(), rb_int2big(), and ZERO.

Referenced by f_addsub(), f_muldiv(), and nurat_cmp().

static VALUE f_kind_of_p ( VALUE  x,
VALUE  c 
)
inlinestatic

Definition at line 244 of file rational.c.

References rb_obj_is_kind_of().

Referenced by k_float_p(), k_integer_p(), k_numeric_p(), and k_rational_p().

static VALUE f_lcm ( VALUE  x,
VALUE  y 
)
inlinestatic

Definition at line 352 of file rational.c.

References f_abs, f_div(), f_gcd(), f_mul, f_zero_p(), and ZERO.

Referenced by rb_gcdlcm(), and rb_lcm().

static VALUE f_lt_p ( VALUE  x,
VALUE  y 
)
inlinestatic

Definition at line 94 of file rational.c.

References f_boolcast, FIX2LONG, FIXNUM_P, and rb_funcall().

Referenced by f_round_common(), and nurat_rationalize_internal().

static VALUE f_minus_one_p ( VALUE  x)
inlinestatic

Definition at line 224 of file rational.c.

References f_boolcast, FIX2LONG, FIXNUM_P, id_eqeq_p, INT2FIX, Qfalse, rb_funcall(), RRATIONAL, T_BIGNUM, T_FIXNUM, T_RATIONAL, and TYPE.

Referenced by nurat_expt().

static VALUE f_muldiv ( VALUE  self,
VALUE  anum,
VALUE  aden,
VALUE  bnum,
VALUE  bden,
int  k 
)
inlinestatic
static VALUE f_odd_p ( VALUE  integer)
inlinestatic

Definition at line 955 of file rational.c.

References INT2FIX, Qfalse, Qtrue, and rb_funcall().

Referenced by nurat_expt().

static VALUE f_one_p ( VALUE  x)
inlinestatic
static VALUE f_rational_new1 ( VALUE  klass,
VALUE  x 
)
inlinestatic

Definition at line 537 of file rational.c.

References assert, k_rational_p(), nurat_s_canonicalize_internal(), and ONE.

static VALUE f_rational_new2 ( VALUE  klass,
VALUE  x,
VALUE  y 
)
inlinestatic

Definition at line 544 of file rational.c.

References assert, k_rational_p(), and nurat_s_canonicalize_internal().

Referenced by nurat_expt(), and nurat_rationalize().

static VALUE f_rational_new_bang1 ( VALUE  klass,
VALUE  x 
)
inlinestatic

Definition at line 422 of file rational.c.

References nurat_s_new_internal(), and ONE.

Referenced by f_round_common(), nurat_cmp(), nurat_coerce(), and nurat_expt().

static VALUE f_rational_new_bang2 ( VALUE  klass,
VALUE  x,
VALUE  y 
)
inlinestatic

Definition at line 428 of file rational.c.

References assert, f_nonzero_p, f_positive_p, and nurat_s_new_internal().

static VALUE f_rational_new_no_reduce1 ( VALUE  klass,
VALUE  x 
)
inlinestatic

Definition at line 552 of file rational.c.

References assert, k_rational_p(), nurat_s_canonicalize_internal_no_reduce(), and ONE.

static VALUE f_rational_new_no_reduce2 ( VALUE  klass,
VALUE  x,
VALUE  y 
)
inlinestatic
static VALUE f_round_common ( int  argc,
VALUE argv,
VALUE  self,
VALUE(*)(VALUE func 
)
static
static VALUE f_sub ( VALUE  x,
VALUE  y 
)
inlinestatic
static VALUE f_to_f ( VALUE  x)
inlinestatic
static VALUE f_zero_p ( VALUE  x)
inlinestatic
static void float_decode_internal ( VALUE  self,
VALUE rf,
VALUE rn 
)
static

Definition at line 1911 of file rational.c.

References DBL_MANT_DIG, f, INT2FIX, rb_dbl2big(), and RFLOAT_VALUE.

Referenced by float_rationalize(), and float_to_r().

static VALUE float_denominator ( VALUE  self)
static

Definition at line 1847 of file rational.c.

References INT2FIX, isinf(), isnan, rb_call_super(), and RFLOAT_VALUE.

Referenced by Init_Rational().

static VALUE float_numerator ( VALUE  self)
static

Definition at line 1829 of file rational.c.

References isinf(), isnan, rb_call_super(), and RFLOAT_VALUE.

Referenced by Init_Rational().

static VALUE float_rationalize ( int  argc,
VALUE argv,
VALUE  self 
)
static
static VALUE float_to_r ( VALUE  self)
static

Definition at line 1954 of file rational.c.

References f, f_expt, f_lshift, f_mul, f_to_r, FIX2LONG, float_decode_internal(), FLT_RADIX, INT2FIX, ONE, and rb_rational_new2.

Referenced by Init_Rational().

fun1 ( abs  )

Definition at line 135 of file rational.c.

References id_to_i, rb_funcall(), rb_str_to_inum(), RB_TYPE_P, and T_STRING.

fun1 ( to_s  )

Definition at line 156 of file rational.c.

References f_boolcast, FIX2LONG, FIXNUM_P, id_eqeq_p, and rb_funcall().

fun2 ( expt  )

Definition at line 167 of file rational.c.

References f_boolcast, FIX2LONG, FIXNUM_P, rb_funcall(), and ZERO.

static long i_gcd ( long  x,
long  y 
)
inlinestatic

Definition at line 284 of file rational.c.

Referenced by f_addsub(), f_gcd(), and f_muldiv().

void Init_Rational ( void  )
static VALUE integer_denominator ( VALUE  self)
static

Definition at line 1813 of file rational.c.

References INT2FIX.

Referenced by Init_Rational().

static VALUE integer_numerator ( VALUE  self)
static

Definition at line 1801 of file rational.c.

Referenced by Init_Rational().

static VALUE integer_rationalize ( int  argc,
VALUE argv,
VALUE  self 
)
static

Definition at line 1904 of file rational.c.

References integer_to_r(), NULL, and rb_scan_args().

Referenced by Init_Rational().

static VALUE integer_to_r ( VALUE  self)
static

Definition at line 1891 of file rational.c.

References rb_rational_new1.

Referenced by Init_Rational(), and integer_rationalize().

static int isdecimal ( int  c)
inlinestatic

Definition at line 2062 of file rational.c.

Referenced by read_digits().

static int islettere ( int  c)
inlinestatic

Definition at line 2110 of file rational.c.

Referenced by read_num().

static int issign ( int  c)
inlinestatic

Definition at line 2044 of file rational.c.

Referenced by read_sign().

static VALUE k_float_p ( VALUE  x)
inlinestatic

Definition at line 262 of file rational.c.

References f_kind_of_p(), and rb_cFloat.

Referenced by f_round_common().

static VALUE k_integer_p ( VALUE  x)
inlinestatic

Definition at line 256 of file rational.c.

References f_kind_of_p(), and rb_cInteger.

Referenced by f_round_common(), nurat_expt(), nurat_int_value(), and nurat_s_convert().

static VALUE k_numeric_p ( VALUE  x)
inlinestatic

Definition at line 250 of file rational.c.

References f_kind_of_p(), and rb_cNumeric.

Referenced by nurat_expt(), nurat_int_check(), and nurat_s_convert().

static VALUE k_rational_p ( VALUE  x)
inlinestatic
static VALUE nilclass_rationalize ( int  argc,
VALUE argv,
VALUE  self 
)
static

Definition at line 1875 of file rational.c.

References nilclass_to_r(), NULL, and rb_scan_args().

Referenced by Init_Rational().

static VALUE nilclass_to_r ( VALUE  self)
static

Definition at line 1862 of file rational.c.

References INT2FIX, and rb_rational_new1.

Referenced by Init_Rational(), and nilclass_rationalize().

static VALUE numeric_denominator ( VALUE  self)
static

Definition at line 1789 of file rational.c.

References f_denominator, and f_to_r.

Referenced by Init_Rational().

static VALUE numeric_numerator ( VALUE  self)
static

Definition at line 1777 of file rational.c.

References f_numerator, and f_to_r.

Referenced by Init_Rational().

static VALUE nurat_add ( VALUE  self,
VALUE  other 
)
static

Definition at line 731 of file rational.c.

References f_add(), f_addsub(), f_to_f(), get_dat1, get_dat2, ONE, rb_num_coerce_bin(), T_BIGNUM, T_FIXNUM, T_FLOAT, T_RATIONAL, and TYPE.

Referenced by Init_Rational().

static VALUE nurat_ceil ( VALUE  self)
static

Definition at line 1206 of file rational.c.

References f_idiv, f_negate, and get_dat1.

Referenced by nurat_ceil_n().

static VALUE nurat_ceil_n ( int  argc,
VALUE argv,
VALUE  self 
)
static

Definition at line 1339 of file rational.c.

References f_round_common(), and nurat_ceil().

Referenced by Init_Rational().

static VALUE nurat_cmp ( VALUE  self,
VALUE  other 
)
static
static VALUE nurat_coerce ( VALUE  self,
VALUE  other 
)
static
static VALUE nurat_denominator ( VALUE  self)
static

Definition at line 628 of file rational.c.

References get_dat1.

Referenced by Init_Rational().

static VALUE nurat_div ( VALUE  self,
VALUE  other 
)
static
static VALUE nurat_dumper ( VALUE  self)
static

Definition at line 1628 of file rational.c.

Referenced by Init_Rational().

static VALUE nurat_eqeq_p ( VALUE  self,
VALUE  other 
)
static
static VALUE nurat_expt ( VALUE  self,
VALUE  other 
)
static
static VALUE nurat_f_rational ( int  argc,
VALUE argv,
VALUE  klass 
)
static

Definition at line 592 of file rational.c.

References id_convert, rb_cRational, and rb_funcall2().

Referenced by Init_Rational().

static VALUE nurat_fdiv ( VALUE  self,
VALUE  other 
)
static

Definition at line 947 of file rational.c.

References f_div(), f_to_f(), and f_zero_p().

Referenced by Init_Rational().

static VALUE nurat_floor ( VALUE  self)
static

Definition at line 1199 of file rational.c.

References f_idiv, and get_dat1.

Referenced by nurat_floor_n().

static VALUE nurat_floor_n ( int  argc,
VALUE argv,
VALUE  self 
)
static

Definition at line 1315 of file rational.c.

References f_round_common(), and nurat_floor().

Referenced by Init_Rational().

static VALUE nurat_hash ( VALUE  self)
static

Definition at line 1561 of file rational.c.

References get_dat1, LONG2FIX, NUM2LONG, rb_hash(), rb_memhash(), and v.

Referenced by Init_Rational().

static VALUE nurat_inspect ( VALUE  self)
static

Definition at line 1615 of file rational.c.

References f_format(), f_inspect, rb_str_cat2(), rb_str_concat(), and rb_usascii_str_new2().

Referenced by Init_Rational().

static void nurat_int_check ( VALUE  num)
inlinestatic

Definition at line 450 of file rational.c.

References k_numeric_p(), rb_eTypeError, rb_raise(), T_BIGNUM, T_FIXNUM, and TYPE.

Referenced by nurat_int_value().

static VALUE nurat_int_value ( VALUE  num)
inlinestatic

Definition at line 463 of file rational.c.

References f_to_i, k_integer_p(), and nurat_int_check().

Referenced by nurat_s_new(), rb_gcd(), rb_gcdlcm(), and rb_lcm().

static VALUE nurat_loader ( VALUE  self,
VALUE  a 
)
static

Definition at line 1635 of file rational.c.

References get_dat1, id_i_den, id_i_num, and rb_ivar_get().

Referenced by Init_Rational().

static VALUE nurat_marshal_dump ( VALUE  self)
static

Definition at line 1647 of file rational.c.

References get_dat1, rb_assoc_new(), and rb_copy_generic_ivar().

Referenced by Init_Rational().

static VALUE nurat_marshal_load ( VALUE  self,
VALUE  a 
)
static
static VALUE nurat_mul ( VALUE  self,
VALUE  other 
)
static

Definition at line 850 of file rational.c.

References f_mul, f_muldiv(), f_to_f(), get_dat1, get_dat2, ONE, rb_num_coerce_bin(), T_BIGNUM, T_FIXNUM, T_FLOAT, T_RATIONAL, and TYPE.

Referenced by Init_Rational().

static VALUE nurat_numerator ( VALUE  self)
static

Definition at line 609 of file rational.c.

References get_dat1.

Referenced by Init_Rational().

static VALUE nurat_rationalize ( int  argc,
VALUE argv,
VALUE  self 
)
static
static void nurat_rationalize_internal ( VALUE  a,
VALUE  b,
VALUE p,
VALUE q 
)
static

Definition at line 1494 of file rational.c.

References f_add(), f_ceil, f_lt_p(), f_mul, f_reciprocal, f_sub(), ONE, and ZERO.

Referenced by float_rationalize(), and nurat_rationalize().

static VALUE nurat_round ( VALUE  self)
static

Definition at line 1237 of file rational.c.

References f_add(), f_idiv, f_mul, f_negate, f_negative_p(), get_dat1, neg, and TWO.

Referenced by nurat_round_n().

static VALUE nurat_round_n ( int  argc,
VALUE argv,
VALUE  self 
)
static

Definition at line 1388 of file rational.c.

References f_round_common(), and nurat_round().

Referenced by Init_Rational().

static VALUE nurat_s_alloc ( VALUE  klass)
static

Definition at line 380 of file rational.c.

References nurat_s_new_internal(), ONE, and ZERO.

Referenced by Init_Rational().

static VALUE nurat_s_canonicalize_internal ( VALUE  klass,
VALUE  num,
VALUE  den 
)
inlinestatic
static VALUE nurat_s_canonicalize_internal_no_reduce ( VALUE  klass,
VALUE  num,
VALUE  den 
)
inlinestatic
static VALUE nurat_s_convert ( int  argc,
VALUE argv,
VALUE  klass 
)
static
static VALUE nurat_s_new ( int  argc,
VALUE argv,
VALUE  klass 
)
static

Definition at line 518 of file rational.c.

References nurat_int_value(), nurat_s_canonicalize_internal(), ONE, and rb_scan_args().

Referenced by Init_Rational(), and nurat_s_convert().

static VALUE nurat_s_new_internal ( VALUE  klass,
VALUE  num,
VALUE  den 
)
inlinestatic
static VALUE nurat_sub ( VALUE  self,
VALUE  other 
)
static

Definition at line 771 of file rational.c.

References f_addsub(), f_sub(), f_to_f(), get_dat1, get_dat2, ONE, rb_num_coerce_bin(), T_BIGNUM, T_FIXNUM, T_FLOAT, T_RATIONAL, and TYPE.

Referenced by Init_Rational().

static VALUE nurat_to_f ( VALUE  self)
static

Definition at line 1405 of file rational.c.

References get_dat1.

Referenced by Init_Rational().

static VALUE nurat_to_r ( VALUE  self)
static

Definition at line 1421 of file rational.c.

Referenced by Init_Rational().

static VALUE nurat_to_s ( VALUE  self)
static

Definition at line 1599 of file rational.c.

References f_format(), and f_to_s.

Referenced by Init_Rational().

static VALUE nurat_truncate ( VALUE  self)
static

Definition at line 1228 of file rational.c.

References f_idiv, f_negate, f_negative_p(), and get_dat1.

Referenced by Init_Rational(), and nurat_truncate_n().

static VALUE nurat_truncate_n ( int  argc,
VALUE argv,
VALUE  self 
)
static

Definition at line 1363 of file rational.c.

References f_round_common(), and nurat_truncate().

Referenced by Init_Rational().

static int parse_rat ( const char *  s,
int  strict,
VALUE num 
)
static

Definition at line 2211 of file rational.c.

References read_rat(), and skip_ws().

Referenced by rb_cstr_to_rat(), string_to_r(), and string_to_r_strict().

VALUE rb_cstr_to_rat ( const char *  s,
int  strict 
)

Definition at line 2308 of file rational.c.

References parse_rat(), rb_eFloatDomainError, rb_raise(), RB_TYPE_P, and T_FLOAT.

Referenced by str2num().

VALUE rb_gcd ( VALUE  self,
VALUE  other 
)

Definition at line 1697 of file rational.c.

References f_gcd(), and nurat_int_value().

Referenced by Init_Rational().

VALUE rb_gcdlcm ( VALUE  self,
VALUE  other 
)

Definition at line 1732 of file rational.c.

References f_gcd(), f_lcm(), nurat_int_value(), and rb_assoc_new().

Referenced by Init_Rational().

VALUE rb_lcm ( VALUE  self,
VALUE  other 
)

Definition at line 1715 of file rational.c.

References f_lcm(), and nurat_int_value().

Referenced by Init_Rational(), and nucomp_denominator().

VALUE rb_Rational ( VALUE  x,
VALUE  y 
)

Definition at line 1753 of file rational.c.

References nurat_s_convert(), and rb_cRational.

Referenced by BigDecimal_to_r().

VALUE rb_rational_new ( VALUE  x,
VALUE  y 
)

Definition at line 1745 of file rational.c.

References nurat_s_canonicalize_internal(), and rb_cRational.

VALUE rb_rational_raw ( VALUE  x,
VALUE  y 
)

Definition at line 1739 of file rational.c.

References nurat_s_new_internal(), and rb_cRational.

VALUE rb_rational_reciprocal ( VALUE  x)

Definition at line 1679 of file rational.c.

References CLASS_OF, f_rational_new_no_reduce2(), and get_dat1.

Referenced by fix_divide().

static int read_den ( const char **  s,
int  strict,
VALUE num 
)
inlinestatic

Definition at line 2165 of file rational.c.

References NULL, and read_digits().

Referenced by read_rat_nos().

static int read_digits ( const char **  s,
int  strict,
VALUE num,
int *  count 
)
static

Definition at line 2068 of file rational.c.

References ALLOCA_N, isdecimal(), rb_cstr_to_inum(), strlen(), and ZERO.

Referenced by read_den(), and read_num().

static int read_num ( const char **  s,
int  numsign,
int  strict,
VALUE num 
)
static
static int read_rat ( const char **  s,
int  strict,
VALUE num 
)
static

Definition at line 2192 of file rational.c.

References read_rat_nos(), and read_sign().

Referenced by parse_rat().

static int read_rat_nos ( const char **  s,
int  sign,
int  strict,
VALUE num 
)
static

Definition at line 2174 of file rational.c.

References f_div(), FIX2LONG, FIXNUM_P, read_den(), and read_num().

Referenced by read_rat().

static int read_sign ( const char **  s)
static

Definition at line 2050 of file rational.c.

References issign().

Referenced by read_num(), and read_rat().

static void skip_ws ( const char **  s)
inlinestatic

Definition at line 2204 of file rational.c.

Referenced by parse_rat().

static VALUE string_to_r ( VALUE  self)
static
static VALUE string_to_r_strict ( VALUE  self)
static

Variable Documentation

ID id_abs
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational().

ID id_cmp
static

Definition at line 26 of file rational.c.

Referenced by f_cmp(), Init_Rational(), and nurat_cmp().

ID id_convert
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational(), and nurat_f_rational().

ID id_eqeq_p
static

Definition at line 26 of file rational.c.

Referenced by f_minus_one_p(), f_one_p(), f_zero_p(), fun1(), and Init_Rational().

ID id_expt
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational(), and nurat_expt().

ID id_fdiv
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational().

ID id_floor
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational().

ID id_i_den
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational(), nurat_loader(), and nurat_marshal_load().

ID id_i_num
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational(), nurat_loader(), and nurat_marshal_load().

ID id_idiv
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational().

ID id_inspect
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational().

ID id_integer_p
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational().

ID id_negate
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational().

ID id_to_f
static

Definition at line 26 of file rational.c.

Referenced by f_to_f(), and Init_Rational().

ID id_to_i
static

Definition at line 26 of file rational.c.

Referenced by fun1(), and Init_Rational().

ID id_to_s
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational().

ID id_truncate
static

Definition at line 26 of file rational.c.

Referenced by Init_Rational().

VALUE rb_cRational