#include "internal.h"
#include "ruby/util.h"
#include "id.h"
#include <assert.h>
#include <ctype.h>
#include <math.h>
#include <stdio.h>

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	id_to_i idTo_i

#define	id_eq idEq

#define	id_cmp idCmp

#define	NUMERR_TYPE 1

#define	NUMERR_NEGATIVE 2

#define	NUMERR_TOOLARGE 3

#define	method_basic_p(klass) rb_method_basic_definition_p(klass, mid)

#define	num_clone rb_immutable_obj_clone

#define	num_dup num_uplus

#define	flo_eq rb_float_equal

#define	flo_eql rb_float_eql

#define	FLOAT_OUT_OF_RANGE(val, type)

#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	LONG_MIN_MINUS_ONE_IS_LESS_THAN(n)

#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	DEFINE_INT_SQRT(rettype, prefix, argtype)

#define	RB_ULONG_IN_DOUBLE_P(n) 1

#define	RB_ULONG_TO_DOUBLE(n) (double)(n)

#define	RB_ULONG unsigned long

#define	domain_error(msg) rb_raise(rb_eMathDomainError, "Numerical argument is out of domain - " #msg)

#define	rb_intern(str) rb_intern_const(str)

Functions
double	round (double x)

VALUE	rb_int_floor (VALUE num, int ndigits)

VALUE	rb_int_ceil (VALUE num, int ndigits)

void	rb_num_zerodiv (void)

enum ruby_num_rounding_mode	rb_num_get_rounding_option (VALUE opts)

int	rb_num_to_uint (VALUE val, unsigned int *ret)

int	rb_num_negative_p (VALUE num)

	NORETURN (static void coerce_failed(VALUE x, VALUE y))

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)

VALUE	rb_float_new_in_heap (double d)

VALUE	rb_float_uminus (VALUE flt)

double	ruby_float_mod (double x, double y)

VALUE	rb_float_pow (VALUE x, VALUE y)

VALUE	rb_float_equal (VALUE x, VALUE y)

VALUE	rb_dbl_hash (double d)

VALUE	rb_dbl_cmp (double a, double b)

int	rb_float_cmp (VALUE x, VALUE y)

VALUE	rb_float_gt (VALUE x, VALUE y)

VALUE	rb_float_eql (VALUE x, VALUE y)

VALUE	rb_float_abs (VALUE flt)

VALUE	rb_flo_is_infinite_p (VALUE num)

VALUE	rb_flo_is_finite_p (VALUE num)

VALUE	rb_int_round (VALUE num, int ndigits, enum ruby_num_rounding_mode mode)

VALUE	rb_int_truncate (VALUE num, int ndigits)

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

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

long	rb_num2long (VALUE val)

unsigned long	rb_num2ulong (VALUE val)

long	rb_num2int (VALUE val)

long	rb_fix2int (VALUE val)

	NORETURN (static void rb_out_of_short(SIGNED_VALUE num))

short	rb_num2short (VALUE val)

short	rb_fix2short (VALUE val)

unsigned short	rb_num2ushort (VALUE val)

unsigned short	rb_fix2ushort (VALUE val)

VALUE	rb_num2fix (VALUE val)

VALUE	rb_int_succ (VALUE num)

VALUE	rb_int_pred (VALUE num)

VALUE	rb_enc_uint_chr (unsigned int code, rb_encoding *enc)

VALUE	rb_int_uminus (VALUE num)

VALUE	rb_fix2str (VALUE x, int base)

VALUE	rb_int2str (VALUE x, int base)

VALUE	rb_fix_plus (VALUE x, VALUE y)

VALUE	rb_int_plus (VALUE x, VALUE y)

VALUE	rb_int_minus (VALUE x, VALUE y)

VALUE	rb_int_mul (VALUE x, VALUE y)

double	rb_int_fdiv_double (VALUE x, VALUE y)

VALUE	rb_int_fdiv (VALUE x, VALUE y)

VALUE	rb_int_div (VALUE x, VALUE y)

VALUE	rb_int_idiv (VALUE x, VALUE y)

VALUE	rb_int_modulo (VALUE x, VALUE y)

VALUE	int_remainder (VALUE x, VALUE y)

VALUE	rb_int_divmod (VALUE x, VALUE y)

VALUE	rb_int_positive_pow (long x, unsigned long y)

VALUE	rb_int_pow (VALUE x, VALUE y)

VALUE	rb_int_equal (VALUE x, VALUE y)

VALUE	rb_int_cmp (VALUE x, VALUE y)

VALUE	rb_int_gt (VALUE x, VALUE y)

VALUE	rb_int_ge (VALUE x, VALUE y)

VALUE	rb_num_coerce_bit (VALUE x, VALUE y, ID func)

VALUE	rb_int_and (VALUE x, VALUE y)

VALUE	rb_int_lshift (VALUE x, VALUE y)

VALUE	rb_int_abs (VALUE num)

VALUE	rb_big_isqrt (VALUE)

void	Init_Numeric (void)

double	rb_float_value (VALUE v)

VALUE	rb_float_new (double d)

Variables
const union bytesequence4_or_float	rb_infinity = {{0x00, 0x00, 0x80, 0x7f}}

const union bytesequence4_or_float	rb_nan = {{0x00, 0x00, 0xc0, 0x7f}}

VALUE	rb_cNumeric

VALUE	rb_cFloat

VALUE	rb_cInteger

VALUE	rb_eZeroDivError

VALUE	rb_eFloatDomainError

Macro Definition Documentation

◆ DBL_DIG

#define DBL_DIG 15

Definition at line 54 of file numeric.c.

Referenced by rb_cstr_to_dbl(), and ruby_strtod().

◆ DBL_EPSILON

#define DBL_EPSILON 2.2204460492503131e-16

Definition at line 60 of file numeric.c.

Referenced by nextafter().

◆ DBL_MANT_DIG

#define DBL_MANT_DIG 53

Definition at line 57 of file numeric.c.

◆ DBL_MAX

#define DBL_MAX 1.7976931348623157e+308

Definition at line 39 of file numeric.c.

Referenced by nextafter().

◆ DBL_MAX_10_EXP

#define DBL_MAX_10_EXP 308

Definition at line 51 of file numeric.c.

◆ DBL_MAX_EXP

#define DBL_MAX_EXP 1024

Definition at line 45 of file numeric.c.

Referenced by ruby_hdtoa().

◆ DBL_MIN

#define DBL_MIN 2.2250738585072014e-308

Definition at line 36 of file numeric.c.

Referenced by nextafter().

◆ DBL_MIN_10_EXP

#define DBL_MIN_10_EXP (-307)

Definition at line 48 of file numeric.c.

◆ DBL_MIN_EXP

#define DBL_MIN_EXP (-1021)

Definition at line 42 of file numeric.c.

Referenced by nextafter().

◆ DEFINE_INT_SQRT

#define DEFINE_INT_SQRT	(	rettype,
		prefix,
		argtype
	)

Value:

rettype \
prefix##_isqrt(argtype n) \
{ \
    if (!argtype##_IN_DOUBLE_P(n)) { \
        unsigned int b = bit_length(n); \
        argtype t; \
        rettype x = (rettype)(n >> (b/2+1)); \
        x |= ((rettype)1LU << (b-1)/2); \
        while ((t = n/x) < (argtype)x) x = (rettype)((x + t) >> 1); \
        return x; \
    } \
    return (rettype)sqrt(argtype##_TO_DOUBLE(n)); \
}

Definition at line 5140 of file numeric.c.

◆ domain_error

#define domain_error ( msg ) rb_raise(rb_eMathDomainError, "Numerical argument is out of domain - " #msg)

Definition at line 5178 of file numeric.c.

◆ FIT_SQRT_LONG

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

Definition at line 3572 of file numeric.c.

◆ flo_eq

#define flo_eq rb_float_equal

Definition at line 1401 of file numeric.c.

◆ flo_eql

#define flo_eql rb_float_eql

Definition at line 1662 of file numeric.c.

◆ FLOAT_OUT_OF_RANGE

#define FLOAT_OUT_OF_RANGE	(	val,
		type
	)

Value:

do { \
    char buf[24]; \
    rb_raise(rb_eRangeError, "float %s out of range of "type, \
             out_of_range_float(&buf, (val))); \
} while (0)

Definition at line 2784 of file numeric.c.

Referenced by rb_num2fix(), and rb_num2long().

◆ FLT_RADIX

#define FLT_RADIX 2

Definition at line 30 of file numeric.c.

◆ FLT_ROUNDS

#define FLT_ROUNDS 1

Definition at line 33 of file numeric.c.

◆ id_cmp

#define id_cmp idCmp

Definition at line 177 of file numeric.c.

◆ id_eq

#define id_eq idEq

Definition at line 176 of file numeric.c.

◆ id_to_i

#define id_to_i idTo_i

Definition at line 175 of file numeric.c.

Referenced by fun1().

◆ int_pred

#define int_pred rb_int_pred

Definition at line 3267 of file numeric.c.

◆ int_succ

#define int_succ rb_int_succ

Definition at line 3241 of file numeric.c.

◆ LONG_MAX_PLUS_ONE

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

Definition at line 2791 of file numeric.c.

Referenced by rb_num2long().

◆ LONG_MIN_MINUS_ONE

#define LONG_MIN_MINUS_ONE ((double)LONG_MIN-1)

Definition at line 2790 of file numeric.c.

◆ LONG_MIN_MINUS_ONE_IS_LESS_THAN

#define LONG_MIN_MINUS_ONE_IS_LESS_THAN ( n )

Value:

(LONG_MIN_MINUS_ONE == (double)LONG_MIN ? \
   LONG_MIN <= (n): \
   LONG_MIN_MINUS_ONE < (n))

Definition at line 2793 of file numeric.c.

Referenced by rb_num2long().

◆ method_basic_p

#define method_basic_p ( klass ) rb_method_basic_definition_p(klass, mid)

Definition at line 272 of file numeric.c.

◆ num_clone

#define num_clone rb_immutable_obj_clone

Definition at line 535 of file numeric.c.

◆ num_dup

#define num_dup num_uplus

Definition at line 551 of file numeric.c.

◆ NUMERR_NEGATIVE

#define NUMERR_NEGATIVE 2

Referenced by rb_num_to_uint().

◆ NUMERR_TOOLARGE

#define NUMERR_TOOLARGE 3

Referenced by rb_num_to_uint().

◆ NUMERR_TYPE

#define NUMERR_TYPE 1

Referenced by rb_num_to_uint().

◆ rb_intern

#define rb_intern ( str ) rb_intern_const(str)

◆ RB_ULONG

#define RB_ULONG unsigned long

Definition at line 5161 of file numeric.c.

◆ RB_ULONG_IN_DOUBLE_P

#define RB_ULONG_IN_DOUBLE_P ( n ) 1

Definition at line 5158 of file numeric.c.

◆ RB_ULONG_TO_DOUBLE

#define RB_ULONG_TO_DOUBLE ( n ) (double)(n)

Definition at line 5160 of file numeric.c.

◆ SQRT_LONG_MAX

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

Definition at line 3570 of file numeric.c.

◆ ULONG_MAX_PLUS_ONE

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

Definition at line 2792 of file numeric.c.

Function Documentation

◆ Init_Numeric()

void Init_Numeric ( void )

Definition at line 5336 of file numeric.c.

◆ int_remainder()

VALUE int_remainder	(	VALUE	x,
		VALUE	y
	)

Definition at line 3825 of file numeric.c.

References FIXNUM_P.

◆ NORETURN() [1/2]

NORETURN ( static void coerce_failedVALUE x, VALUE y )

Referenced by rb_fix2int().

◆ NORETURN() [2/2]

NORETURN ( static void rb_out_of_shortSIGNED_VALUE num )

◆ rb_big_isqrt()

VALUE rb_big_isqrt ( VALUE )

Definition at line 6840 of file bignum.c.

References BDIGIT, BDIGITS, BIGNUM_LEN, and rb_bdigit_dbl_isqrt.

◆ rb_dbl_cmp()

VALUE rb_dbl_cmp	(	double	a,
		double	b
	)

Definition at line 1425 of file numeric.c.

References INT2FIX, isnan, and Qnil.

◆ rb_dbl_hash()

VALUE rb_dbl_hash ( double d )

Definition at line 1419 of file numeric.c.

References LONG2FIX, and rb_dbl_long_hash().

◆ rb_enc_uint_chr()

VALUE rb_enc_uint_chr	(	unsigned int	code,
		rb_encoding *	enc
	)

Definition at line 3283 of file numeric.c.

References ONIGERR_INVALID_CODE_POINT_VALUE, ONIGERR_TOO_BIG_WIDE_CHAR_VALUE, rb_enc_codelen(), rb_enc_mbcput, rb_enc_name, rb_enc_precise_mbclen(), rb_enc_str_new(), rb_eRangeError, rb_raise(), RSTRING_END, and RSTRING_PTR.

Referenced by rb_io_ungetc().

◆ rb_fix2int()

long rb_fix2int ( VALUE val )

Definition at line 2953 of file numeric.c.

References FIX2INT, and NORETURN().

◆ rb_fix2short()

short rb_fix2short ( VALUE val )

Definition at line 3000 of file numeric.c.

References FIX2LONG, FIXNUM_P, and rb_num2long().

◆ rb_fix2str()

VALUE rb_fix2str	(	VALUE	x,
		int	base
	)

Definition at line 3417 of file numeric.c.

References buf, CHAR_BIT, FIX2LONG, neg, rb_bug(), rb_eArgError, rb_raise(), rb_usascii_str_new(), rb_usascii_str_new2, ruby_digitmap, SIZEOF_VALUE, and val.

Referenced by rb_int2str().

◆ rb_fix2ushort()

unsigned short rb_fix2ushort ( VALUE val )

Definition at line 3019 of file numeric.c.

References FIX2ULONG, FIXNUM_P, and rb_num2ushort().

◆ rb_fix_plus()

VALUE rb_fix_plus	(	VALUE	x,
		VALUE	y
	)

Definition at line 3513 of file numeric.c.

◆ rb_flo_is_finite_p()

VALUE rb_flo_is_finite_p ( VALUE num )

Definition at line 1767 of file numeric.c.

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

◆ rb_flo_is_infinite_p()

VALUE rb_flo_is_infinite_p ( VALUE num )

Definition at line 1747 of file numeric.c.

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

◆ rb_float_abs()

VALUE rb_float_abs ( VALUE flt )

Definition at line 1692 of file numeric.c.

References DBL2NUM, RFLOAT_VALUE, and val.

◆ rb_float_cmp()

int rb_float_cmp	(	VALUE	x,
		VALUE	y
	)

Definition at line 1481 of file numeric.c.

References NUM2INT.

◆ rb_float_eql()

VALUE rb_float_eql	(	VALUE	x,
		VALUE	y
	)

Definition at line 1648 of file numeric.c.

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

◆ rb_float_equal()

VALUE rb_float_equal	(	VALUE	x,
		VALUE	y
	)

Definition at line 1378 of file numeric.c.

References isnan, Qfalse, rb_integer_float_eq(), RB_TYPE_P, RFLOAT_VALUE, T_BIGNUM, T_FIXNUM, and T_FLOAT.

◆ rb_float_gt()

VALUE rb_float_gt	(	VALUE	x,
		VALUE	y
	)

Definition at line 1497 of file numeric.c.

References FIX2INT, FIXNUM_P, isnan, Qfalse, Qtrue, rb_integer_float_cmp(), rb_num_coerce_relop(), RB_TYPE_P, RFLOAT_VALUE, T_BIGNUM, T_FIXNUM, and T_FLOAT.

◆ rb_float_new()

VALUE rb_float_new ( double d )

Definition at line 5614 of file numeric.c.

◆ rb_float_new_in_heap()

VALUE rb_float_new_in_heap ( double d )

Definition at line 922 of file numeric.c.

References FL_WB_PROTECTED, NEWOBJ_OF, OBJ_FREEZE, rb_cFloat, RGENGC_WB_PROTECTED_FLOAT, and T_FLOAT.

◆ rb_float_pow()

VALUE rb_float_pow	(	VALUE	x,
		VALUE	y
	)

Definition at line 1293 of file numeric.c.

References FIX2LONG, rb_big2dbl(), RB_TYPE_P, RFLOAT_VALUE, round(), T_BIGNUM, T_FIXNUM, and T_FLOAT.

◆ rb_float_uminus()

VALUE rb_float_uminus ( VALUE flt )

Definition at line 1038 of file numeric.c.

References DBL2NUM, and RFLOAT_VALUE.

◆ rb_float_value()

double rb_float_value ( VALUE v )

Definition at line 5607 of file numeric.c.

◆ rb_int2str()

VALUE rb_int2str	(	VALUE	x,
		int	base
	)

Definition at line 3471 of file numeric.c.

References FIXNUM_P, rb_any_to_s(), rb_big2str(), rb_fix2str(), RB_TYPE_P, and T_BIGNUM.

◆ rb_int_abs()

VALUE rb_int_abs ( VALUE num )

Definition at line 4635 of file numeric.c.

References FIXNUM_P.

Referenced by rb_rational_abs().

◆ rb_int_and()

VALUE rb_int_and	(	VALUE	x,
		VALUE	y
	)

Definition at line 4350 of file numeric.c.

References FIXNUM_P.

◆ rb_int_ceil()

VALUE rb_int_ceil	(	VALUE	num,
		int	ndigits
	)

Definition at line 2150 of file numeric.c.

References f.

◆ rb_int_cmp()

VALUE rb_int_cmp	(	VALUE	x,
		VALUE	y
	)

Definition at line 4095 of file numeric.c.

References FIXNUM_P.

Referenced by rb_rational_cmp().

◆ rb_int_div()

VALUE rb_int_div	(	VALUE	x,
		VALUE	y
	)

Definition at line 3726 of file numeric.c.

References FIXNUM_P.

◆ rb_int_divmod()

VALUE rb_int_divmod	(	VALUE	x,
		VALUE	y
	)

Definition at line 3873 of file numeric.c.

References FIXNUM_P.

◆ rb_int_equal()

VALUE rb_int_equal	(	VALUE	x,
		VALUE	y
	)

Definition at line 4045 of file numeric.c.

References FIXNUM_P.

◆ rb_int_fdiv()

VALUE rb_int_fdiv	(	VALUE	x,
		VALUE	y
	)

Definition at line 3668 of file numeric.c.

References DBL2NUM, Qnil, rb_int_fdiv_double(), and RB_INTEGER_TYPE_P.

◆ rb_int_fdiv_double()

double rb_int_fdiv_double	(	VALUE	x,
		VALUE	y
	)

Definition at line 3637 of file numeric.c.

References FIXNUM_P, FIXNUM_ZERO_P, rb_gcd(), rb_int_idiv(), and RB_INTEGER_TYPE_P.

Referenced by rb_int_fdiv().

◆ rb_int_floor()

VALUE rb_int_floor	(	VALUE	num,
		int	ndigits
	)

Definition at line 2127 of file numeric.c.

References f.

◆ rb_int_ge()

VALUE rb_int_ge	(	VALUE	x,
		VALUE	y
	)

Definition at line 4175 of file numeric.c.

References FIXNUM_P.

◆ rb_int_gt()

VALUE rb_int_gt	(	VALUE	x,
		VALUE	y
	)

Definition at line 4135 of file numeric.c.

References FIXNUM_P.

◆ rb_int_idiv()

VALUE rb_int_idiv	(	VALUE	x,
		VALUE	y
	)

Definition at line 3753 of file numeric.c.

References FIXNUM_P.

Referenced by rb_int_fdiv_double().

◆ rb_int_lshift()

VALUE rb_int_lshift	(	VALUE	x,
		VALUE	y
	)

Definition at line 4466 of file numeric.c.

References FIXNUM_P.

◆ rb_int_minus()

VALUE rb_int_minus	(	VALUE	x,
		VALUE	y
	)

Definition at line 3558 of file numeric.c.

References FIXNUM_P.

◆ rb_int_modulo()

VALUE rb_int_modulo	(	VALUE	x,
		VALUE	y
	)

Definition at line 3796 of file numeric.c.

References FIXNUM_P.

◆ rb_int_mul()

VALUE rb_int_mul	(	VALUE	x,
		VALUE	y
	)

Definition at line 3608 of file numeric.c.

References FIXNUM_P.

◆ rb_int_plus()

VALUE rb_int_plus	(	VALUE	x,
		VALUE	y
	)

Definition at line 3519 of file numeric.c.

References FIXNUM_P.

◆ rb_int_positive_pow()

VALUE rb_int_positive_pow	(	long	x,
		unsigned long	y
	)

Definition at line 3942 of file numeric.c.

◆ rb_int_pow()

VALUE rb_int_pow	(	VALUE	x,
		VALUE	y
	)

Definition at line 4004 of file numeric.c.

References FIXNUM_P.

◆ rb_int_pred()

VALUE rb_int_pred ( VALUE num )

Definition at line 3255 of file numeric.c.

References FIX2LONG, FIXNUM_P, INT2FIX, LONG2NUM, rb_big_minus(), RB_TYPE_P, and T_BIGNUM.

◆ rb_int_round()

VALUE rb_int_round	(	VALUE	num,
		int	ndigits,
		enum ruby_num_rounding_mode	mode
	)

Definition at line 2094 of file numeric.c.

References f.

◆ rb_int_succ()

VALUE rb_int_succ ( VALUE num )

Definition at line 3229 of file numeric.c.

References FIX2LONG, FIXNUM_P, INT2FIX, LONG2NUM, rb_big_plus(), RB_TYPE_P, and T_BIGNUM.

◆ rb_int_truncate()

VALUE rb_int_truncate	(	VALUE	num,
		int	ndigits
	)

Definition at line 2174 of file numeric.c.

References f.

◆ rb_int_uminus()

VALUE rb_int_uminus ( VALUE num )

Definition at line 3388 of file numeric.c.

References FIXNUM_P.

◆ rb_num2fix()

VALUE rb_num2fix ( VALUE val )

Definition at line 3033 of file numeric.c.

References FIX2LONG, FIXABLE, FIXNUM_P, FLOAT_OUT_OF_RANGE, LONG2FIX, NIL_P, rb_eRangeError, rb_eTypeError, rb_num2long(), rb_raise(), rb_to_int(), RB_TYPE_P, RFLOAT_VALUE, T_BIGNUM, T_FALSE, T_FIXNUM, T_FLOAT, T_NIL, T_STRING, T_TRUE, and val.

◆ rb_num2int()

long rb_num2int ( VALUE val )

Definition at line 2947 of file numeric.c.

References rb_num2long().

◆ rb_num2long()

long rb_num2long ( VALUE val )

Definition at line 2799 of file numeric.c.

References FIX2LONG, FIXNUM_P, FLOAT_OUT_OF_RANGE, LONG_MAX_PLUS_ONE, LONG_MIN_MINUS_ONE_IS_LESS_THAN, NIL_P, rb_big2long(), rb_eTypeError, rb_raise(), rb_to_int(), RB_TYPE_P, RFLOAT_VALUE, T_BIGNUM, and T_FLOAT.

Referenced by rb_fix2short(), rb_num2fix(), rb_num2int(), and rb_num2short().

◆ rb_num2short()

short rb_num2short ( VALUE val )

Definition at line 2991 of file numeric.c.

References rb_num2long().

◆ rb_num2ulong()

unsigned long rb_num2ulong ( VALUE val )

Definition at line 2868 of file numeric.c.

◆ rb_num2ushort()

unsigned short rb_num2ushort ( VALUE val )

Definition at line 3009 of file numeric.c.

Referenced by rb_fix2ushort().

◆ rb_num_coerce_bin()

VALUE rb_num_coerce_bin	(	VALUE	x,
		VALUE	y,
		ID	func
	)

Definition at line 473 of file numeric.c.

Referenced by rb_big_divmod(), rb_big_modulo(), rb_big_mul(), and rb_big_remainder().

◆ rb_num_coerce_bit()

VALUE rb_num_coerce_bit	(	VALUE	x,
		VALUE	y,
		ID	func
	)

Definition at line 4309 of file numeric.c.

Referenced by rb_big_and(), rb_big_or(), and rb_big_xor().

◆ rb_num_coerce_cmp()

VALUE rb_num_coerce_cmp	(	VALUE	x,
		VALUE	y,
		ID	func
	)

Definition at line 480 of file numeric.c.

◆ rb_num_coerce_relop()

VALUE rb_num_coerce_relop	(	VALUE	x,
		VALUE	y,
		ID	func
	)

Definition at line 488 of file numeric.c.

Referenced by rb_float_gt().

◆ rb_num_get_rounding_option()

enum ruby_num_rounding_mode rb_num_get_rounding_option ( VALUE opts )

Definition at line 198 of file numeric.c.

References NIL_P, PRIsVALUE, rb_check_string_type(), rb_eArgError, rb_get_kwargs(), rb_intern_const, rb_memcicmp(), rb_raise(), rb_sym2str, RB_TYPE_P, RSTRING_LEN, RSTRING_PTR, RUBY_NUM_ROUND_DEFAULT, RUBY_NUM_ROUND_HALF_DOWN, RUBY_NUM_ROUND_HALF_EVEN, RUBY_NUM_ROUND_HALF_UP, strncasecmp, SYMBOL_P, and T_STRING.

◆ rb_num_negative_p()

int rb_num_negative_p ( VALUE num )

Definition at line 342 of file numeric.c.

◆ rb_num_to_uint()

int rb_num_to_uint	(	VALUE	val,
		unsigned int *	ret
	)

Definition at line 242 of file numeric.c.

References BIGNUM_NEGATIVE_P, FIX2LONG, FIXNUM_P, NULL, NUMERR_NEGATIVE, NUMERR_TOOLARGE, NUMERR_TYPE, rb_absint_size(), rb_big2ulong(), RB_TYPE_P, T_BIGNUM, and val.

Referenced by rb_str_concat().

◆ rb_num_zerodiv()

void rb_num_zerodiv ( void )

Definition at line 192 of file numeric.c.

References rb_eZeroDivError, and rb_raise().

Referenced by rb_big_divrem_normal().

◆ round()

double round ( double x )

Definition at line 79 of file numeric.c.

References f.

Referenced by rb_big_pow(), and rb_float_pow().

◆ ruby_float_mod()

double ruby_float_mod	(	double	x,
		double	y
	)

Definition at line 1202 of file numeric.c.

References mod.

◆ ruby_float_step()

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

Definition at line 2513 of file numeric.c.

References NUM2DBL, RB_TYPE_P, and T_FLOAT.

◆ ruby_num_interval_step_size()

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

Definition at line 2544 of file numeric.c.

References FIXNUM_P.

Variable Documentation

◆ rb_cFloat

VALUE rb_cFloat

Definition at line 180 of file numeric.c.

Referenced by rb_float_new_in_heap().

◆ rb_cInteger

VALUE rb_cInteger

Definition at line 181 of file numeric.c.

◆ rb_cNumeric

VALUE rb_cNumeric

Definition at line 179 of file numeric.c.

◆ rb_eFloatDomainError

VALUE rb_eFloatDomainError

Definition at line 187 of file numeric.c.

◆ rb_eZeroDivError

VALUE rb_eZeroDivError

Definition at line 186 of file numeric.c.

Referenced by rb_num_zerodiv().

◆ rb_infinity

const union bytesequence4_or_float rb_infinity = {{0x00, 0x00, 0x80, 0x7f}}

Definition at line 65 of file numeric.c.

◆ rb_nan

const union bytesequence4_or_float rb_nan = {{0x00, 0x00, 0xc0, 0x7f}}

Definition at line 72 of file numeric.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ 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

◆ DEFINE_INT_SQRT

◆ domain_error

◆ FIT_SQRT_LONG

◆ flo_eq

◆ flo_eql

◆ FLOAT_OUT_OF_RANGE

◆ FLT_RADIX

◆ FLT_ROUNDS

◆ id_cmp

◆ id_eq

◆ id_to_i

◆ int_pred

◆ int_succ

◆ LONG_MAX_PLUS_ONE

◆ LONG_MIN_MINUS_ONE

◆ LONG_MIN_MINUS_ONE_IS_LESS_THAN

◆ method_basic_p

◆ num_clone

◆ num_dup

◆ NUMERR_NEGATIVE

◆ NUMERR_TOOLARGE

◆ NUMERR_TYPE

◆ rb_intern

◆ RB_ULONG

◆ RB_ULONG_IN_DOUBLE_P

◆ RB_ULONG_TO_DOUBLE

◆ SQRT_LONG_MAX

◆ ULONG_MAX_PLUS_ONE

Function Documentation

◆ Init_Numeric()

◆ int_remainder()

◆ NORETURN() [1/2]

◆ NORETURN() [2/2]

◆ rb_big_isqrt()

◆ rb_dbl_cmp()

◆ rb_dbl_hash()

◆ rb_enc_uint_chr()

◆ rb_fix2int()

◆ rb_fix2short()

◆ rb_fix2str()

◆ rb_fix2ushort()

◆ rb_fix_plus()

◆ rb_flo_is_finite_p()

◆ rb_flo_is_infinite_p()

◆ rb_float_abs()

◆ rb_float_cmp()

◆ rb_float_eql()

◆ rb_float_equal()

◆ rb_float_gt()

◆ rb_float_new()

◆ rb_float_new_in_heap()

◆ rb_float_pow()

◆ rb_float_uminus()

◆ rb_float_value()

◆ rb_int2str()

◆ rb_int_abs()

◆ rb_int_and()

◆ rb_int_ceil()

◆ rb_int_cmp()

◆ rb_int_div()

◆ rb_int_divmod()

◆ rb_int_equal()

◆ rb_int_fdiv()

◆ rb_int_fdiv_double()

◆ rb_int_floor()

◆ rb_int_ge()

◆ rb_int_gt()