org.jruby.util

Class Numeric

java.lang.Object

org.jruby.util.Numeric

public class Numeric
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Numeric.ComplexPatterns
static class	Numeric.RationalPatterns

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	CANON
private static long	SQRT_LONG_MAX

Constructor Summary

Constructors

Constructor and Description
Numeric()

Method Summary

Modifier and Type	Method and Description
static void	checkInteger(ThreadContext context, IRubyObject obj)
static IRubyObject	f_abs(ThreadContext context, IRubyObject x) f_abs
static IRubyObject	f_abs2(ThreadContext context, IRubyObject x) f_abs2
static IRubyObject	f_add(ThreadContext context, IRubyObject x, IRubyObject y) f_add
static IRubyObject	f_arg(ThreadContext context, IRubyObject x) f_arg
static IRubyObject	f_cmp(ThreadContext context, IRubyObject x, IRubyObject y) f_cmp
static IRubyObject	f_conjugate(ThreadContext context, IRubyObject x) f_conjugate
static IRubyObject	f_denominator(ThreadContext context, IRubyObject x) f_denominator
static IRubyObject	f_div(ThreadContext context, IRubyObject x, IRubyObject y) f_div
static IRubyObject	f_divmod(ThreadContext context, IRubyObject x, IRubyObject y) f_divmod
static IRubyObject	f_equal(ThreadContext context, IRubyObject x, IRubyObject y) f_equal Note: This may not return a value which is a boolean.
static IRubyObject	f_exact_p(ThreadContext context, IRubyObject x) f_exact_p
static IRubyObject	f_expt(ThreadContext context, IRubyObject x, IRubyObject y) f_expt
static IRubyObject	f_floor(ThreadContext context, IRubyObject x) f_floor
static IRubyObject	f_gcd(ThreadContext context, IRubyObject x, IRubyObject y) f_gcd
static IRubyObject	f_gt_p(ThreadContext context, IRubyObject x, IRubyObject y) f_gt_p
static IRubyObject	f_idiv(ThreadContext context, IRubyObject x, IRubyObject y) f_idiv
static IRubyObject	f_inspect(ThreadContext context, IRubyObject x) f_inspect
static IRubyObject	f_integer_p(ThreadContext context, IRubyObject x) f_integer_p
static IRubyObject	f_lcm(ThreadContext context, IRubyObject x, IRubyObject y) f_lcm
static IRubyObject	f_lshift(ThreadContext context, IRubyObject x, IRubyObject y) f_lshift
static IRubyObject	f_lt_p(ThreadContext context, IRubyObject x, IRubyObject y) f_lt_p
static IRubyObject	f_mod(ThreadContext context, IRubyObject x, IRubyObject y) f_mod
static IRubyObject	f_mul(ThreadContext context, IRubyObject x, IRubyObject y) f_mul
static IRubyObject	f_negate(ThreadContext context, IRubyObject x) f_negate
static boolean	f_negative_p(ThreadContext context, IRubyObject x) f_negative_p
static IRubyObject	f_numerator(ThreadContext context, IRubyObject x) f_numerator
static boolean	f_one_p(ThreadContext context, IRubyObject x) f_one_p
static IRubyObject	f_polar(ThreadContext context, IRubyObject x) f_polar
static IRubyObject	f_quo(ThreadContext context, IRubyObject x, IRubyObject y) f_quo
static IRubyObject	f_real_p(ThreadContext context, IRubyObject x) f_real_p
static IRubyObject	f_rshift(ThreadContext context, IRubyObject x, IRubyObject y) f_rshift
static IRubyObject	f_sub(ThreadContext context, IRubyObject x, IRubyObject y) f_sub
static IRubyObject	f_to_f(ThreadContext context, IRubyObject x) f_to_f
static IRubyObject	f_to_i(ThreadContext context, IRubyObject x) f_to_i
static IRubyObject	f_to_r(ThreadContext context, IRubyObject x) f_to_r
static IRubyObject	f_to_s(ThreadContext context, IRubyObject x) f_to_s
static IRubyObject	f_truncate(ThreadContext context, IRubyObject x) f_truncate
static IRubyObject	f_xor(ThreadContext context, IRubyObject x, IRubyObject y) f_xor
static boolean	f_zero_p(ThreadContext context, IRubyObject x) f_zero_p
(package private) static boolean	fitSqrtLong(long n)
static double	frexp(double mantissa, long[] e)
static long	i_gcd(long x, long y) i_gcd
static long	i_ilog2(ThreadContext context, IRubyObject x)
static IRubyObject	int_pow(ThreadContext context, long x, long y)
static boolean	k_exact_p(IRubyObject x)
static boolean	k_inexact_p(IRubyObject x)
static double	ldexp(double f, long e)
static IRubyObject[]	nurat_rationalize_internal(ThreadContext context, IRubyObject[] ary)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CANON

public static final boolean CANON

See Also:

Constant Field Values

SQRT_LONG_MAX

private static long SQRT_LONG_MAX

Constructor Detail

Numeric

public Numeric()

Method Detail

f_add

public static IRubyObject f_add(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_add

f_cmp

public static IRubyObject f_cmp(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_cmp

f_div

public static IRubyObject f_div(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_div

f_gt_p

public static IRubyObject f_gt_p(ThreadContext context,
                                 IRubyObject x,
                                 IRubyObject y)

f_gt_p

f_lt_p

public static IRubyObject f_lt_p(ThreadContext context,
                                 IRubyObject x,
                                 IRubyObject y)

f_lt_p

f_mod

public static IRubyObject f_mod(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_mod

f_mul

public static IRubyObject f_mul(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_mul

f_sub

public static IRubyObject f_sub(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_sub

f_xor

public static IRubyObject f_xor(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_xor

f_abs

public static IRubyObject f_abs(ThreadContext context,
                                IRubyObject x)

f_abs

f_abs2

public static IRubyObject f_abs2(ThreadContext context,
                                 IRubyObject x)

f_abs2

f_arg

public static IRubyObject f_arg(ThreadContext context,
                                IRubyObject x)

f_arg

f_conjugate

public static IRubyObject f_conjugate(ThreadContext context,
                                      IRubyObject x)

f_conjugate

f_denominator

public static IRubyObject f_denominator(ThreadContext context,
                                        IRubyObject x)

f_denominator

f_exact_p

public static IRubyObject f_exact_p(ThreadContext context,
                                    IRubyObject x)

f_exact_p

f_numerator

public static IRubyObject f_numerator(ThreadContext context,
                                      IRubyObject x)

f_numerator

f_polar

public static IRubyObject f_polar(ThreadContext context,
                                  IRubyObject x)

f_polar

f_real_p

public static IRubyObject f_real_p(ThreadContext context,
                                   IRubyObject x)

f_real_p

f_integer_p

public static IRubyObject f_integer_p(ThreadContext context,
                                      IRubyObject x)

f_integer_p

f_divmod

public static IRubyObject f_divmod(ThreadContext context,
                                   IRubyObject x,
                                   IRubyObject y)

f_divmod

f_floor

public static IRubyObject f_floor(ThreadContext context,
                                  IRubyObject x)

f_floor

f_inspect

public static IRubyObject f_inspect(ThreadContext context,
                                    IRubyObject x)

f_inspect

f_negate

public static IRubyObject f_negate(ThreadContext context,
                                   IRubyObject x)

f_negate

f_to_f

public static IRubyObject f_to_f(ThreadContext context,
                                 IRubyObject x)

f_to_f

f_to_i

public static IRubyObject f_to_i(ThreadContext context,
                                 IRubyObject x)

f_to_i

f_to_r

public static IRubyObject f_to_r(ThreadContext context,
                                 IRubyObject x)

f_to_r

f_to_s

public static IRubyObject f_to_s(ThreadContext context,
                                 IRubyObject x)

f_to_s

f_truncate

public static IRubyObject f_truncate(ThreadContext context,
                                     IRubyObject x)

f_truncate

f_equal

public static IRubyObject f_equal(ThreadContext context,
                                  IRubyObject x,
                                  IRubyObject y)

f_equal Note: This may not return a value which is a boolean. other.== can return non-boolean (which unless it is nil it will be isTrue()).

f_expt

public static IRubyObject f_expt(ThreadContext context,
                                 IRubyObject x,
                                 IRubyObject y)

f_expt

f_idiv

public static IRubyObject f_idiv(ThreadContext context,
                                 IRubyObject x,
                                 IRubyObject y)

f_idiv

f_quo

public static IRubyObject f_quo(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_quo

f_rshift

public static IRubyObject f_rshift(ThreadContext context,
                                   IRubyObject x,
                                   IRubyObject y)

f_rshift

f_lshift

public static IRubyObject f_lshift(ThreadContext context,
                                   IRubyObject x,
                                   IRubyObject y)

f_lshift

f_negative_p

public static boolean f_negative_p(ThreadContext context,
                                   IRubyObject x)

f_negative_p

f_zero_p

public static boolean f_zero_p(ThreadContext context,
                               IRubyObject x)

f_zero_p

f_one_p

public static boolean f_one_p(ThreadContext context,
                              IRubyObject x)

f_one_p

i_gcd

public static long i_gcd(long x,
                         long y)

i_gcd

f_gcd

public static IRubyObject f_gcd(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_gcd

f_lcm

public static IRubyObject f_lcm(ThreadContext context,
                                IRubyObject x,
                                IRubyObject y)

f_lcm

i_ilog2

public static long i_ilog2(ThreadContext context,
                           IRubyObject x)

ldexp

public static double ldexp(double f,
                           long e)

frexp

public static double frexp(double mantissa,
                           long[] e)

fitSqrtLong

static boolean fitSqrtLong(long n)

int_pow

public static IRubyObject int_pow(ThreadContext context,
                                  long x,
                                  long y)

k_exact_p

public static boolean k_exact_p(IRubyObject x)

k_inexact_p

public static boolean k_inexact_p(IRubyObject x)

nurat_rationalize_internal

public static IRubyObject[] nurat_rationalize_internal(ThreadContext context,
                                                       IRubyObject[] ary)

checkInteger

public static void checkInteger(ThreadContext context,
                                IRubyObject obj)