Ruby  1.9.3p547(2014-05-14revision45962)
Macros | Functions | Variables
numeric.c File Reference
#include "ruby/ruby.h"
#include "ruby/encoding.h"
#include "ruby/util.h"
#include "internal.h"
#include <ctype.h>
#include <math.h>
#include <stdio.h>
Include dependency graph for numeric.c:

Go to the source code of this file.

Macros

#define FLT_RADIX   2
 
#define FLT_ROUNDS   1
 
#define DBL_MIN   2.2250738585072014e-308
 
#define DBL_MAX   1.7976931348623157e+308
 
#define DBL_MIN_EXP   (-1021)
 
#define DBL_MAX_EXP   1024
 
#define DBL_MIN_10_EXP   (-307)
 
#define DBL_MAX_10_EXP   308
 
#define DBL_DIG   15
 
#define DBL_MANT_DIG   53
 
#define DBL_EPSILON   2.2204460492503131e-16
 
#define NUMERR_TYPE   1
 
#define NUMERR_NEGATIVE   2
 
#define NUMERR_TOOLARGE   3
 
#define DIGSPERLONG   (SIZEOF_LONG/SIZEOF_BDIGITS)
 
#define LONG_MIN_MINUS_ONE   ((double)LONG_MIN-1)
 
#define LONG_MAX_PLUS_ONE   (2*(double)(LONG_MAX/2+1))
 
#define ULONG_MAX_PLUS_ONE   (2*(double)(ULONG_MAX/2+1))
 
#define int_succ   rb_int_succ
 
#define int_pred   rb_int_pred
 
#define SQRT_LONG_MAX   ((SIGNED_VALUE)1<<((SIZEOF_LONG*CHAR_BIT-1)/2))
 
#define FIT_SQRT_LONG(n)   (((n)<SQRT_LONG_MAX)&&((n)>=-SQRT_LONG_MAX))
 
#define rb_intern(str)   rb_intern_const(str)
 

Functions

double round (double x)
 
static VALUE fix_uminus (VALUE num)
 
static VALUE fix_mul (VALUE x, VALUE y)
 
static VALUE int_pow (long x, unsigned long y)
 
void rb_num_zerodiv (void)
 
int rb_num_to_uint (VALUE val, unsigned int *ret)
 
static VALUE num_coerce (VALUE x, VALUE y)
 
static VALUE coerce_body (VALUE *x)
 
static VALUE coerce_rescue (VALUE *x)
 
static int do_coerce (VALUE *x, VALUE *y, int err)
 
VALUE rb_num_coerce_bin (VALUE x, VALUE y, ID func)
 
VALUE rb_num_coerce_cmp (VALUE x, VALUE y, ID func)
 
VALUE rb_num_coerce_relop (VALUE x, VALUE y, ID func)
 
static VALUE num_sadded (VALUE x, VALUE name)
 
static VALUE num_init_copy (VALUE x, VALUE y)
 
static VALUE num_uplus (VALUE num)
 
static VALUE num_imaginary (VALUE num)
 
static VALUE num_uminus (VALUE num)
 
static VALUE num_quo (VALUE x, VALUE y)
 
static VALUE num_fdiv (VALUE x, VALUE y)
 
static VALUE num_div (VALUE x, VALUE y)
 
static VALUE num_modulo (VALUE x, VALUE y)
 
static VALUE num_remainder (VALUE x, VALUE y)
 
static VALUE num_divmod (VALUE x, VALUE y)
 
static VALUE num_real_p (VALUE num)
 
static VALUE num_int_p (VALUE num)
 
static VALUE num_abs (VALUE num)
 
static VALUE num_zero_p (VALUE num)
 
static VALUE num_nonzero_p (VALUE num)
 
static VALUE num_to_int (VALUE num)
 
VALUE rb_float_new (double d)
 
static VALUE flo_to_s (VALUE flt)
 
static VALUE flo_coerce (VALUE x, VALUE y)
 
static VALUE flo_uminus (VALUE flt)
 
static VALUE flo_plus (VALUE x, VALUE y)
 
static VALUE flo_minus (VALUE x, VALUE y)
 
static VALUE flo_mul (VALUE x, VALUE y)
 
static VALUE flo_div (VALUE x, VALUE y)
 
static VALUE flo_quo (VALUE x, VALUE y)
 
static void flodivmod (double x, double y, double *divp, double *modp)
 
double ruby_float_mod (double x, double y)
 
static VALUE flo_mod (VALUE x, VALUE y)
 
static VALUE dbl2ival (double d)
 
static VALUE flo_divmod (VALUE x, VALUE y)
 
static VALUE flo_pow (VALUE x, VALUE y)
 
static VALUE num_eql (VALUE x, VALUE y)
 
static VALUE num_cmp (VALUE x, VALUE y)
 
static VALUE num_equal (VALUE x, VALUE y)
 
static VALUE flo_eq (VALUE x, VALUE y)
 
static VALUE flo_hash (VALUE num)
 
VALUE rb_dbl_cmp (double a, double b)
 
static VALUE flo_cmp (VALUE x, VALUE y)
 
static VALUE flo_gt (VALUE x, VALUE y)
 
static VALUE flo_ge (VALUE x, VALUE y)
 
static VALUE flo_lt (VALUE x, VALUE y)
 
static VALUE flo_le (VALUE x, VALUE y)
 
static VALUE flo_eql (VALUE x, VALUE y)
 
static VALUE flo_to_f (VALUE num)
 
static VALUE flo_abs (VALUE flt)
 
static VALUE flo_zero_p (VALUE num)
 
static VALUE flo_is_nan_p (VALUE num)
 
static VALUE flo_is_infinite_p (VALUE num)
 
static VALUE flo_is_finite_p (VALUE num)
 
static VALUE flo_floor (VALUE num)
 
static VALUE flo_ceil (VALUE num)
 
static VALUE int_round_0 (VALUE num, int ndigits)
 
static VALUE flo_truncate (VALUE num)
 
static VALUE flo_round (int argc, VALUE *argv, VALUE num)
 
static VALUE num_floor (VALUE num)
 
static VALUE num_ceil (VALUE num)
 
static VALUE num_round (int argc, VALUE *argv, VALUE num)
 
static VALUE num_truncate (VALUE num)
 
int ruby_float_step (VALUE from, VALUE to, VALUE step, int excl)
 
static VALUE num_step (int argc, VALUE *argv, VALUE from)
 
SIGNED_VALUE rb_num2long (VALUE val)
 
VALUE rb_num2ulong (VALUE val)
 
long rb_num2int (VALUE val)
 
long rb_fix2int (VALUE val)
 
VALUE rb_num2fix (VALUE val)
 
static VALUE int_to_i (VALUE num)
 
static VALUE int_int_p (VALUE num)
 
static VALUE int_odd_p (VALUE num)
 
static VALUE int_even_p (VALUE num)
 
static VALUE fix_succ (VALUE num)
 
VALUE rb_int_succ (VALUE num)
 
VALUE rb_int_pred (VALUE num)
 
VALUE rb_enc_uint_chr (unsigned int code, rb_encoding *enc)
 
static VALUE int_chr (int argc, VALUE *argv, VALUE num)
 
static VALUE int_ord (VALUE num)
 
VALUE rb_fix2str (VALUE x, int base)
 
static VALUE fix_to_s (int argc, VALUE *argv, VALUE x)
 
static VALUE fix_plus (VALUE x, VALUE y)
 
static VALUE fix_minus (VALUE x, VALUE y)
 
static void fixdivmod (long x, long y, long *divp, long *modp)
 
static VALUE fix_fdiv (VALUE x, VALUE y)
 
static VALUE fix_divide (VALUE x, VALUE y, ID op)
 
static VALUE fix_div (VALUE x, VALUE y)
 
static VALUE fix_idiv (VALUE x, VALUE y)
 
static VALUE fix_mod (VALUE x, VALUE y)
 
static VALUE fix_divmod (VALUE x, VALUE y)
 
static VALUE fix_pow (VALUE x, VALUE y)
 
static VALUE fix_equal (VALUE x, VALUE y)
 
static VALUE fix_cmp (VALUE x, VALUE y)
 
static VALUE fix_gt (VALUE x, VALUE y)
 
static VALUE fix_ge (VALUE x, VALUE y)
 
static VALUE fix_lt (VALUE x, VALUE y)
 
static VALUE fix_le (VALUE x, VALUE y)
 
static VALUE fix_rev (VALUE num)
 
static VALUE bit_coerce (VALUE x)
 
static VALUE fix_and (VALUE x, VALUE y)
 
static VALUE fix_or (VALUE x, VALUE y)
 
static VALUE fix_xor (VALUE x, VALUE y)
 
static VALUE fix_lshift (long, unsigned long)
 
static VALUE fix_rshift (long, unsigned long)
 
static VALUE rb_fix_lshift (VALUE x, VALUE y)
 
static VALUE rb_fix_rshift (VALUE x, VALUE y)
 
static VALUE fix_aref (VALUE fix, VALUE idx)
 
static VALUE fix_to_f (VALUE num)
 
static VALUE fix_abs (VALUE fix)
 
static VALUE fix_size (VALUE fix)
 
static VALUE int_upto (VALUE from, VALUE to)
 
static VALUE int_downto (VALUE from, VALUE to)
 
static VALUE int_dotimes (VALUE num)
 
static VALUE int_round (int argc, VALUE *argv, VALUE num)
 
static VALUE fix_zero_p (VALUE num)
 
static VALUE fix_odd_p (VALUE num)
 
static VALUE fix_even_p (VALUE num)
 
void Init_Numeric (void)
 

Variables

const unsigned char rb_infinity [] = "\x00\x00\x80\x7f"
 
const unsigned char rb_nan [] = "\x00\x00\xc0\x7f"
 
static ID id_coerce
 
static ID id_to_i
 
static ID id_eq
 
VALUE rb_cNumeric
 
VALUE rb_cFloat
 
VALUE rb_cInteger
 
VALUE rb_cFixnum
 
VALUE rb_eZeroDivError
 
VALUE rb_eFloatDomainError
 

Macro Definition Documentation

#define DBL_DIG   15
#define DBL_EPSILON   2.2204460492503131e-16

Definition at line 64 of file numeric.c.

Referenced by Init_Numeric(), and ruby_float_step().

#define DBL_MANT_DIG   53

Definition at line 61 of file numeric.c.

Referenced by flo_to_s(), and Init_Numeric().

#define DBL_MAX   1.7976931348623157e+308

Definition at line 43 of file numeric.c.

Referenced by Init_Numeric().

#define DBL_MAX_10_EXP   308

Definition at line 55 of file numeric.c.

Referenced by BigDecimal_to_f(), Init_Numeric(), and ruby_strtod().

#define DBL_MAX_EXP   1024

Definition at line 49 of file numeric.c.

Referenced by big2dbl(), Init_Numeric(), ruby_hdtoa(), and ruby_strtod().

#define DBL_MIN   2.2250738585072014e-308

Definition at line 40 of file numeric.c.

Referenced by Init_Numeric().

#define DBL_MIN_10_EXP   (-307)

Definition at line 52 of file numeric.c.

Referenced by BigDecimal_to_f(), and Init_Numeric().

#define DBL_MIN_EXP   (-1021)

Definition at line 46 of file numeric.c.

Referenced by Init_Numeric().

#define DIGSPERLONG   (SIZEOF_LONG/SIZEOF_BDIGITS)

Referenced by rb_num_to_uint().

#define FIT_SQRT_LONG (   n)    (((n)<SQRT_LONG_MAX)&&((n)>=-SQRT_LONG_MAX))

Definition at line 2468 of file numeric.c.

Referenced by fix_mul(), and int_pow().

#define FLT_RADIX   2

Definition at line 34 of file numeric.c.

Referenced by float_rationalize(), float_to_r(), Init_Numeric(), and ruby_strtod().

#define FLT_ROUNDS   1

Definition at line 37 of file numeric.c.

Referenced by Init_Numeric().

#define int_pred   rb_int_pred

Definition at line 2208 of file numeric.c.

Referenced by Init_Numeric().

#define int_succ   rb_int_succ

Definition at line 2186 of file numeric.c.

Referenced by Init_Numeric().

#define LONG_MAX_PLUS_ONE   (2*(double)(LONG_MAX/2+1))

Definition at line 1809 of file numeric.c.

Referenced by rb_num2long().

#define LONG_MIN_MINUS_ONE   ((double)LONG_MIN-1)

Definition at line 1808 of file numeric.c.

Referenced by rb_num2long(), and rb_num2ulong().

#define NUMERR_NEGATIVE   2

Referenced by rb_num_to_uint().

#define NUMERR_TOOLARGE   3

Referenced by rb_num_to_uint().

#define NUMERR_TYPE   1

Referenced by rb_num_to_uint().

#define rb_intern (   str)    rb_intern_const(str)
#define SQRT_LONG_MAX   ((SIGNED_VALUE)1<<((SIZEOF_LONG*CHAR_BIT-1)/2))

Definition at line 2466 of file numeric.c.

#define ULONG_MAX_PLUS_ONE   (2*(double)(ULONG_MAX/2+1))

Definition at line 1810 of file numeric.c.

Referenced by rb_num2ulong().

Function Documentation

static VALUE bit_coerce ( VALUE  x)
static

Definition at line 2981 of file numeric.c.

References FIXNUM_P, rb_eTypeError, rb_raise(), rb_to_int(), T_BIGNUM, T_FLOAT, and TYPE.

Referenced by fix_and(), fix_or(), and fix_xor().

static VALUE coerce_body ( VALUE x)
static

Definition at line 180 of file numeric.c.

References id_coerce, and rb_funcall().

Referenced by do_coerce().

static VALUE coerce_rescue ( VALUE x)
static

Definition at line 186 of file numeric.c.

References Qnil, rb_eTypeError, rb_inspect(), rb_obj_classname(), rb_raise(), rb_special_const_p(), RSTRING_PTR, and v.

Referenced by do_coerce().

static VALUE dbl2ival ( double  d)
static

Definition at line 886 of file numeric.c.

References FIXABLE, LONG2FIX, rb_dbl2big(), and round().

Referenced by fix_divmod(), flo_divmod(), and flo_round().

static int do_coerce ( VALUE x,
VALUE y,
int  err 
)
static
static VALUE fix_abs ( VALUE  fix)
static

Definition at line 3191 of file numeric.c.

References FIX2LONG, i, and LONG2NUM.

Referenced by Init_Numeric().

static VALUE fix_and ( VALUE  x,
VALUE  y 
)
static

Definition at line 3000 of file numeric.c.

References bit_coerce(), FIX2LONG, FIXNUM_P, LONG2NUM, and rb_big_and().

Referenced by Init_Numeric().

static VALUE fix_aref ( VALUE  fix,
VALUE  idx 
)
static

Definition at line 3134 of file numeric.c.

References CHAR_BIT, FIX2LONG, FIXNUM_P, i, INT2FIX, rb_big_norm(), rb_to_int(), and RBIGNUM_SIGN.

Referenced by Init_Numeric().

static VALUE fix_cmp ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_div ( VALUE  x,
VALUE  y 
)
static

Definition at line 2626 of file numeric.c.

References fix_divide().

Referenced by Init_Numeric().

static VALUE fix_divide ( VALUE  x,
VALUE  y,
ID  op 
)
static
static VALUE fix_divmod ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_equal ( VALUE  x,
VALUE  y 
)
static

Definition at line 2825 of file numeric.c.

References FIX2LONG, FIXNUM_P, num_equal(), Qfalse, Qtrue, rb_big_eq(), RFLOAT_VALUE, T_BIGNUM, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE fix_even_p ( VALUE  num)
static

Definition at line 3419 of file numeric.c.

References Qfalse, and Qtrue.

Referenced by Init_Numeric().

static VALUE fix_fdiv ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_ge ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_gt ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_idiv ( VALUE  x,
VALUE  y 
)
static

Definition at line 2639 of file numeric.c.

References fix_divide(), and rb_intern.

Referenced by Init_Numeric().

static VALUE fix_le ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_lshift ( long  val,
unsigned long  width 
)
static

Definition at line 3074 of file numeric.c.

References CHAR_BIT, LONG2NUM, rb_big_lshift(), rb_int2big(), and ULONG2NUM().

Referenced by rb_fix_lshift(), and rb_fix_rshift().

static VALUE fix_lt ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_minus ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_mod ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_mul ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_odd_p ( VALUE  num)
static

Definition at line 3403 of file numeric.c.

References Qfalse, and Qtrue.

Referenced by Init_Numeric().

static VALUE fix_or ( VALUE  x,
VALUE  y 
)
static

Definition at line 3019 of file numeric.c.

References bit_coerce(), FIX2LONG, FIXNUM_P, LONG2NUM, and rb_big_or().

Referenced by Init_Numeric().

static VALUE fix_plus ( VALUE  x,
VALUE  y 
)
static

Definition at line 2409 of file numeric.c.

References DBL2NUM, FIX2LONG, FIXNUM_P, LONG2NUM, rb_big_plus(), rb_num_coerce_bin(), RFLOAT_VALUE, T_BIGNUM, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE fix_pow ( VALUE  x,
VALUE  y 
)
static
static VALUE fix_rev ( VALUE  num)
static

Definition at line 2975 of file numeric.c.

References FIXNUM_FLAG.

Referenced by Init_Numeric().

static VALUE fix_rshift ( long  val,
unsigned long  i 
)
static

Definition at line 3107 of file numeric.c.

References CHAR_BIT, INT2FIX, and LONG2FIX.

Referenced by rb_fix_lshift(), and rb_fix_rshift().

static VALUE fix_size ( VALUE  fix)
static

Definition at line 3215 of file numeric.c.

References INT2FIX.

Referenced by Init_Numeric().

static VALUE fix_succ ( VALUE  num)
static

Definition at line 2159 of file numeric.c.

References FIX2LONG, i, and LONG2NUM.

Referenced by Init_Numeric().

static VALUE fix_to_f ( VALUE  num)
static

Definition at line 3169 of file numeric.c.

References DBL2NUM, and FIX2LONG.

Referenced by Init_Numeric().

static VALUE fix_to_s ( int  argc,
VALUE argv,
VALUE  x 
)
static

Definition at line 2384 of file numeric.c.

References NUM2INT, rb_fix2str(), and rb_scan_args().

Referenced by Init_Numeric().

static VALUE fix_uminus ( VALUE  num)
static

Definition at line 2334 of file numeric.c.

References FIX2LONG, and LONG2NUM.

Referenced by Init_Numeric().

static VALUE fix_xor ( VALUE  x,
VALUE  y 
)
static

Definition at line 3038 of file numeric.c.

References bit_coerce(), FIX2LONG, FIXNUM_P, LONG2NUM, and rb_big_xor().

Referenced by Init_Numeric().

static VALUE fix_zero_p ( VALUE  num)
static

Definition at line 3387 of file numeric.c.

References FIX2LONG, Qfalse, and Qtrue.

Referenced by Init_Numeric().

static void fixdivmod ( long  x,
long  y,
long divp,
long modp 
)
static

Definition at line 2526 of file numeric.c.

References div, mod, and rb_num_zerodiv().

Referenced by fix_divide(), fix_divmod(), and fix_mod().

static VALUE flo_abs ( VALUE  flt)
static

Definition at line 1325 of file numeric.c.

References DBL2NUM, and RFLOAT_VALUE.

Referenced by Init_Numeric().

static VALUE flo_ceil ( VALUE  num)
static

Definition at line 1458 of file numeric.c.

References FIXABLE, long, LONG2FIX, rb_dbl2big(), and RFLOAT_VALUE.

Referenced by Init_Numeric(), and num_ceil().

static VALUE flo_cmp ( VALUE  x,
VALUE  y 
)
static
static VALUE flo_coerce ( VALUE  x,
VALUE  y 
)
static

Definition at line 683 of file numeric.c.

References rb_assoc_new(), and rb_Float().

Referenced by Init_Numeric().

static VALUE flo_div ( VALUE  x,
VALUE  y 
)
static

Definition at line 779 of file numeric.c.

References DBL2NUM, FIX2LONG, rb_big2dbl(), rb_num_coerce_bin(), RFLOAT_VALUE, T_BIGNUM, T_FIXNUM, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE flo_divmod ( VALUE  x,
VALUE  y 
)
static
static VALUE flo_eq ( VALUE  x,
VALUE  y 
)
static

Definition at line 1013 of file numeric.c.

References FIX2LONG, isnan, num_equal(), Qfalse, Qtrue, rb_big2dbl(), RFLOAT_VALUE, T_BIGNUM, T_FIXNUM, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE flo_eql ( VALUE  x,
VALUE  y 
)
static

Definition at line 1285 of file numeric.c.

References isnan, Qfalse, Qtrue, RFLOAT_VALUE, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE flo_floor ( VALUE  num)
static

Definition at line 1432 of file numeric.c.

References FIXABLE, long, LONG2FIX, rb_dbl2big(), and RFLOAT_VALUE.

Referenced by Init_Numeric(), and num_floor().

static VALUE flo_ge ( VALUE  x,
VALUE  y 
)
static
static VALUE flo_gt ( VALUE  x,
VALUE  y 
)
static

Definition at line 1127 of file numeric.c.

References FIX2LONG, isnan, Qfalse, Qtrue, rb_big2dbl(), rb_num_coerce_relop(), RFLOAT_VALUE, T_BIGNUM, T_FIXNUM, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE flo_hash ( VALUE  num)
static

Definition at line 1048 of file numeric.c.

References hash(), LONG2FIX, rb_memhash(), and RFLOAT_VALUE.

Referenced by Init_Numeric().

static VALUE flo_is_finite_p ( VALUE  num)
static

Definition at line 1404 of file numeric.c.

References finite(), isinf(), isnan, Qfalse, Qtrue, and RFLOAT_VALUE.

Referenced by Init_Numeric().

static VALUE flo_is_infinite_p ( VALUE  num)
static

Definition at line 1382 of file numeric.c.

References INT2FIX, isinf(), Qnil, and RFLOAT_VALUE.

Referenced by Init_Numeric().

static VALUE flo_is_nan_p ( VALUE  num)
static

Definition at line 1362 of file numeric.c.

References isnan, Qfalse, Qtrue, and RFLOAT_VALUE.

Referenced by Init_Numeric().

static VALUE flo_le ( VALUE  x,
VALUE  y 
)
static
static VALUE flo_lt ( VALUE  x,
VALUE  y 
)
static

Definition at line 1204 of file numeric.c.

References FIX2LONG, isnan, Qfalse, Qtrue, rb_big2dbl(), rb_num_coerce_relop(), RFLOAT_VALUE, T_BIGNUM, T_FIXNUM, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE flo_minus ( VALUE  x,
VALUE  y 
)
static

Definition at line 733 of file numeric.c.

References DBL2NUM, FIX2LONG, rb_big2dbl(), rb_num_coerce_bin(), RFLOAT_VALUE, T_BIGNUM, T_FIXNUM, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE flo_mod ( VALUE  x,
VALUE  y 
)
static
static VALUE flo_mul ( VALUE  x,
VALUE  y 
)
static

Definition at line 756 of file numeric.c.

References DBL2NUM, FIX2LONG, rb_big2dbl(), rb_num_coerce_bin(), RFLOAT_VALUE, T_BIGNUM, T_FIXNUM, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE flo_plus ( VALUE  x,
VALUE  y 
)
static

Definition at line 710 of file numeric.c.

References DBL2NUM, FIX2LONG, rb_big2dbl(), rb_num_coerce_bin(), RFLOAT_VALUE, T_BIGNUM, T_FIXNUM, T_FLOAT, and TYPE.

Referenced by Init_Numeric().

static VALUE flo_pow ( VALUE  x,
VALUE  y 
)
static
static VALUE flo_quo ( VALUE  x,
VALUE  y 
)
static

Definition at line 806 of file numeric.c.

References rb_funcall().

Referenced by Init_Numeric().

static VALUE flo_round ( int  argc,
VALUE argv,
VALUE  num 
)
static
static VALUE flo_to_f ( VALUE  num)
static

Definition at line 1307 of file numeric.c.

Referenced by Init_Numeric().

static VALUE flo_to_s ( VALUE  flt)
static
static VALUE flo_truncate ( VALUE  num)
static

Definition at line 1601 of file numeric.c.

References FIXABLE, long, LONG2FIX, rb_dbl2big(), and RFLOAT_VALUE.

Referenced by flo_round(), Init_Numeric(), and num_truncate().

static VALUE flo_uminus ( VALUE  flt)
static

Definition at line 696 of file numeric.c.

References DBL2NUM, and RFLOAT_VALUE.

Referenced by Init_Numeric().

static VALUE flo_zero_p ( VALUE  num)
static

Definition at line 1340 of file numeric.c.

References Qfalse, Qtrue, and RFLOAT_VALUE.

Referenced by Init_Numeric().

static void flodivmod ( double  x,
double  y,
double *  divp,
double *  modp 
)
static

Definition at line 812 of file numeric.c.

References div, isinf(), isnan, mod, and rb_num_zerodiv().

Referenced by fix_divmod(), flo_divmod(), and ruby_float_mod().

void Init_Numeric ( void  )

Definition at line 3460 of file numeric.c.

References CLASS_OF, DBL2NUM, DBL_DIG, DBL_EPSILON, DBL_MANT_DIG, DBL_MAX, DBL_MAX_10_EXP, DBL_MAX_EXP, DBL_MIN, DBL_MIN_10_EXP, DBL_MIN_EXP, fix_abs(), fix_and(), fix_aref(), fix_cmp(), fix_div(), fix_divmod(), fix_equal(), fix_even_p(), fix_fdiv(), fix_ge(), fix_gt(), fix_idiv(), fix_le(), fix_lt(), fix_minus(), fix_mod(), fix_mul(), fix_odd_p(), fix_or(), fix_plus(), fix_pow(), fix_rev(), fix_size(), fix_succ(), fix_to_f(), fix_to_s(), fix_uminus(), fix_xor(), fix_zero_p(), flo_abs(), flo_ceil(), flo_cmp(), flo_coerce(), flo_div(), flo_divmod(), flo_eq(), flo_eql(), flo_floor(), flo_ge(), flo_gt(), flo_hash(), flo_is_finite_p(), flo_is_infinite_p(), flo_is_nan_p(), flo_le(), flo_lt(), flo_minus(), flo_mod(), flo_mul(), flo_plus(), flo_pow(), flo_quo(), flo_round(), flo_to_f(), flo_to_s(), flo_truncate(), flo_uminus(), flo_zero_p(), FLT_RADIX, FLT_ROUNDS, id_coerce, id_eq, id_to_i, INFINITY, INT2FIX, int_chr(), int_dotimes(), int_downto(), int_even_p(), int_int_p(), int_odd_p(), int_ord(), int_pred, int_round(), int_succ, int_to_i(), int_upto(), NAN, num_abs(), num_ceil(), num_cmp(), num_coerce(), num_div(), num_divmod(), num_eql(), num_fdiv(), num_floor(), num_imaginary(), num_init_copy(), num_int_p(), num_modulo(), num_nonzero_p(), num_quo(), num_real_p(), num_remainder(), num_round(), num_sadded(), num_step(), num_to_int(), num_truncate(), num_uminus(), num_uplus(), num_zero_p(), rb_cFixnum, rb_cFloat, rb_cInteger, rb_cNumeric, rb_cObject, rb_define_class(), rb_define_const(), rb_define_method(), rb_eFloatDomainError, rb_eRangeError, rb_eStandardError, rb_eZeroDivError, rb_fix_lshift(), rb_fix_rshift(), rb_include_module(), rb_intern, rb_mComparable, rb_undef_alloc_func(), and rb_undef_method().

static VALUE int_chr ( int  argc,
VALUE argv,
VALUE  num 
)
static
static VALUE int_dotimes ( VALUE  num)
static

Definition at line 3323 of file numeric.c.

References FIX2LONG, FIXNUM_P, i, INT2FIX, LONG2FIX, rb_funcall(), rb_yield(), RETURN_ENUMERATOR, and RTEST.

Referenced by Init_Numeric().

static VALUE int_downto ( VALUE  from,
VALUE  to 
)
static

Definition at line 3280 of file numeric.c.

References FIX2LONG, FIXNUM_P, i, INT2FIX, LONG2FIX, NIL_P, rb_cmperr(), rb_funcall(), rb_yield(), and RETURN_ENUMERATOR.

Referenced by Init_Numeric().

static VALUE int_even_p ( VALUE  num)
static

Definition at line 2139 of file numeric.c.

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

Referenced by fix_pow(), and Init_Numeric().

static VALUE int_int_p ( VALUE  num)
static

Definition at line 2110 of file numeric.c.

References Qtrue.

Referenced by Init_Numeric().

static VALUE int_odd_p ( VALUE  num)
static

Definition at line 2123 of file numeric.c.

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

Referenced by Init_Numeric().

static VALUE int_ord ( VALUE  num)
static

Definition at line 2302 of file numeric.c.

Referenced by Init_Numeric().

static VALUE int_pow ( long  x,
unsigned long  y 
)
static

Definition at line 2709 of file numeric.c.

References FIT_SQRT_LONG, LONG2NUM, neg, POSFIXABLE, rb_big_mul(), rb_big_pow(), rb_int2big(), and v.

Referenced by fix_pow(), and int_round_0().

static VALUE int_round ( int  argc,
VALUE argv,
VALUE  num 
)
static

Definition at line 3361 of file numeric.c.

References int_round_0(), NUM2INT, rb_Float(), and rb_scan_args().

Referenced by Init_Numeric().

static VALUE int_round_0 ( VALUE  num,
int  ndigits 
)
static

Definition at line 1474 of file numeric.c.

References FIX2LONG, FIXNUM_P, INT2FIX, int_pow(), long, LONG2NUM, neg, rb_funcall(), rb_intern, RTEST, SIGNED_VALUE, T_FLOAT, and TYPE.

Referenced by flo_round(), and int_round().

static VALUE int_to_i ( VALUE  num)
static

Definition at line 2097 of file numeric.c.

Referenced by Init_Numeric().

static VALUE int_upto ( VALUE  from,
VALUE  to 
)
static

Definition at line 3238 of file numeric.c.

References FIX2LONG, FIXNUM_P, i, INT2FIX, LONG2FIX, NIL_P, rb_cmperr(), rb_funcall(), rb_yield(), and RETURN_ENUMERATOR.

Referenced by Init_Numeric().

static VALUE num_abs ( VALUE  num)
static

Definition at line 503 of file numeric.c.

References INT2FIX, rb_funcall(), rb_intern, and RTEST.

Referenced by Init_Numeric().

static VALUE num_ceil ( VALUE  num)
static

Definition at line 1651 of file numeric.c.

References flo_ceil(), and rb_Float().

Referenced by Init_Numeric().

static VALUE num_cmp ( VALUE  x,
VALUE  y 
)
static

Definition at line 987 of file numeric.c.

References INT2FIX, and Qnil.

Referenced by Init_Numeric().

static VALUE num_coerce ( VALUE  x,
VALUE  y 
)
static

Definition at line 170 of file numeric.c.

References CLASS_OF, rb_assoc_new(), and rb_Float().

Referenced by Init_Numeric().

static VALUE num_div ( VALUE  x,
VALUE  y 
)
static

Definition at line 364 of file numeric.c.

References INT2FIX, rb_equal(), rb_funcall(), rb_intern, and rb_num_zerodiv().

Referenced by Init_Numeric(), and num_divmod().

static VALUE num_divmod ( VALUE  x,
VALUE  y 
)
static

Definition at line 457 of file numeric.c.

References num_div(), num_modulo(), and rb_assoc_new().

Referenced by Init_Numeric().

static VALUE num_eql ( VALUE  x,
VALUE  y 
)
static

Definition at line 971 of file numeric.c.

References Qfalse, rb_equal(), and TYPE.

Referenced by Init_Numeric().

static VALUE num_equal ( VALUE  x,
VALUE  y 
)
static

Definition at line 994 of file numeric.c.

References id_eq, Qtrue, and rb_funcall().

Referenced by fix_equal(), and flo_eq().

static VALUE num_fdiv ( VALUE  x,
VALUE  y 
)
static

Definition at line 343 of file numeric.c.

References rb_Float(), and rb_funcall().

Referenced by Init_Numeric().

static VALUE num_floor ( VALUE  num)
static

Definition at line 1629 of file numeric.c.

References flo_floor(), and rb_Float().

Referenced by Init_Numeric().

static VALUE num_imaginary ( VALUE  num)
static

Definition at line 297 of file numeric.c.

References INT2FIX, and rb_complex_new().

Referenced by Init_Numeric().

static VALUE num_init_copy ( VALUE  x,
VALUE  y 
)
static

Definition at line 268 of file numeric.c.

References Qnil, rb_eTypeError, rb_obj_classname(), and rb_raise().

Referenced by Init_Numeric().

static VALUE num_int_p ( VALUE  num)
static

Definition at line 485 of file numeric.c.

References Qfalse.

Referenced by Init_Numeric().

static VALUE num_modulo ( VALUE  x,
VALUE  y 
)
static

Definition at line 384 of file numeric.c.

References rb_funcall(), and rb_intern.

Referenced by Init_Numeric(), and num_divmod().

static VALUE num_nonzero_p ( VALUE  num)
static

Definition at line 542 of file numeric.c.

References Qnil, rb_funcall(), rb_intern, and RTEST.

Referenced by Init_Numeric().

static VALUE num_quo ( VALUE  x,
VALUE  y 
)
static

Definition at line 329 of file numeric.c.

References rb_funcall(), and rb_rational_raw1.

Referenced by Init_Numeric().

static VALUE num_real_p ( VALUE  num)
static

Definition at line 471 of file numeric.c.

References Qtrue.

Referenced by Init_Numeric().

static VALUE num_remainder ( VALUE  x,
VALUE  y 
)
static

Definition at line 401 of file numeric.c.

References INT2FIX, rb_equal(), rb_funcall(), and RTEST.

Referenced by Init_Numeric().

static VALUE num_round ( int  argc,
VALUE argv,
VALUE  num 
)
static

Definition at line 1667 of file numeric.c.

References flo_round(), and rb_Float().

Referenced by Init_Numeric().

static VALUE num_sadded ( VALUE  x,
VALUE  name 
)
static
static VALUE num_step ( int  argc,
VALUE argv,
VALUE  from 
)
static
static VALUE num_to_int ( VALUE  num)
static

Definition at line 559 of file numeric.c.

References id_to_i, and rb_funcall().

Referenced by Init_Numeric().

static VALUE num_truncate ( VALUE  num)
static

Definition at line 1682 of file numeric.c.

References flo_truncate(), and rb_Float().

Referenced by Init_Numeric().

static VALUE num_uminus ( VALUE  num)
static

Definition at line 311 of file numeric.c.

References do_coerce(), INT2FIX, rb_funcall(), TRUE, and zero().

Referenced by Init_Numeric().

static VALUE num_uplus ( VALUE  num)
static

Definition at line 283 of file numeric.c.

Referenced by Init_Numeric().

static VALUE num_zero_p ( VALUE  num)
static

Definition at line 520 of file numeric.c.

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

Referenced by Init_Numeric().

VALUE rb_dbl_cmp ( double  a,
double  b 
)

Definition at line 1061 of file numeric.c.

References INT2FIX, isnan, and Qnil.

Referenced by big_op(), fix_cmp(), flo_cmp(), and rb_big_cmp().

VALUE rb_enc_uint_chr ( unsigned int  code,
rb_encoding enc 
)
long rb_fix2int ( VALUE  val)

Definition at line 1962 of file numeric.c.

References FIX2INT.

VALUE rb_fix2str ( VALUE  x,
int  base 
)
static VALUE rb_fix_lshift ( VALUE  x,
VALUE  y 
)
static

Definition at line 3060 of file numeric.c.

References FIX2LONG, fix_lshift(), fix_rshift(), FIXNUM_P, NUM2LONG(), rb_big_lshift(), and rb_int2big().

Referenced by Init_Numeric().

static VALUE rb_fix_rshift ( VALUE  x,
VALUE  y 
)
static

Definition at line 3092 of file numeric.c.

References FIX2LONG, fix_lshift(), fix_rshift(), FIXNUM_P, i, rb_big_rshift(), and rb_int2big().

Referenced by Init_Numeric().

VALUE rb_float_new ( double  d)
VALUE rb_int_pred ( VALUE  num)

Definition at line 2199 of file numeric.c.

References FIX2LONG, FIXNUM_P, i, INT2FIX, LONG2NUM, and rb_funcall().

VALUE rb_int_succ ( VALUE  num)

Definition at line 2177 of file numeric.c.

References FIX2LONG, FIXNUM_P, i, INT2FIX, LONG2NUM, and rb_funcall().

Referenced by enumerator_with_index_i().

VALUE rb_num2fix ( VALUE  val)

Definition at line 1969 of file numeric.c.

References FIXABLE, FIXNUM_P, LONG2FIX, PRIdVALUE, rb_eRangeError, rb_num2long(), rb_raise(), SIGNED_VALUE, and v.

long rb_num2int ( VALUE  val)

Definition at line 1956 of file numeric.c.

References rb_num2long().

SIGNED_VALUE rb_num2long ( VALUE  val)
VALUE rb_num2ulong ( VALUE  val)
VALUE rb_num_coerce_bin ( VALUE  x,
VALUE  y,
ID  func 
)
VALUE rb_num_coerce_cmp ( VALUE  x,
VALUE  y,
ID  func 
)

Definition at line 227 of file numeric.c.

References do_coerce(), FALSE, Qnil, and rb_funcall().

Referenced by BigDecimalCmp(), cmp_gen(), equal_gen(), fix_cmp(), flo_cmp(), nurat_cmp(), and rb_big_cmp().

VALUE rb_num_coerce_relop ( VALUE  x,
VALUE  y,
ID  func 
)
int rb_num_to_uint ( VALUE  val,
unsigned int *  ret 
)
void rb_num_zerodiv ( void  )

Definition at line 114 of file numeric.c.

References rb_eZeroDivError, and rb_raise().

Referenced by bigdivrem(), fix_divide(), fixdivmod(), flodivmod(), num_div(), quo(), wdivmod(), and wquo().

double round ( double  x)
double ruby_float_mod ( double  x,
double  y 
)

Definition at line 846 of file numeric.c.

References flodivmod(), and mod.

Referenced by fix_mod(), and flo_mod().

int ruby_float_step ( VALUE  from,
VALUE  to,
VALUE  step,
int  excl 
)

Definition at line 1689 of file numeric.c.

References DBL2NUM, DBL_EPSILON, err, FALSE, i, isinf(), NUM2DBL, rb_yield(), T_FLOAT, TRUE, and TYPE.

Referenced by num_step(), and range_step().

Variable Documentation

ID id_coerce
static

Definition at line 103 of file numeric.c.

Referenced by coerce_body(), and Init_Numeric().

ID id_eq
static

Definition at line 103 of file numeric.c.

Referenced by Init_Numeric(), and num_equal().

ID id_to_i
static

Definition at line 103 of file numeric.c.

Referenced by Init_Numeric(), and num_to_int().

VALUE rb_cFixnum

Definition at line 108 of file numeric.c.

Referenced by Init_Numeric().

VALUE rb_cFloat

Definition at line 106 of file numeric.c.

Referenced by Init_Numeric(), and rb_float_new().

VALUE rb_cInteger

Definition at line 107 of file numeric.c.

Referenced by Init_Numeric().

VALUE rb_cNumeric

Definition at line 105 of file numeric.c.

Referenced by Init_Numeric().

VALUE rb_eFloatDomainError

Definition at line 111 of file numeric.c.

Referenced by Init_Numeric().

VALUE rb_eZeroDivError

Definition at line 110 of file numeric.c.

Referenced by Init_Numeric(), and rb_num_zerodiv().

const unsigned char rb_infinity[] = "\x00\x00\x80\x7f"

Definition at line 69 of file numeric.c.

const unsigned char rb_nan[] = "\x00\x00\xc0\x7f"

Definition at line 76 of file numeric.c.