Top Inners Fields Constructors Methods
org.jruby.util

public Class Numeric

extends Object
Class Inheritance
Imports
org.joni.Regex, .WarnCallback, org.jcodings.specific.ASCIIEncoding, org.jruby.Ruby, .RubyBignum, .RubyComplex, .RubyFixnum, .RubyFloat, .RubyInteger, .RubyNumeric, .RubyRational, org.jruby.runtime.JavaSites, .ThreadContext, org.jruby.runtime.builtin.IRubyObject, org.jruby.runtime.callsite.CachingCallSite, java.math.BigInteger

Nested and Inner Type Summary

Modifier and TypeClass and Description
public static class
Numeric.ComplexPatterns

public static class
Numeric.RationalPatterns

Field Summary

Modifier and TypeField and Description
public static final boolean
CANON

private static final long
SQRT_LONG_MAX

Constructor Summary

AccessConstructor and Description
public
Numeric()

Method Summary

Modifier and TypeMethod and Description
private static RubyNumeric
bignumIntPow(ThreadContext context, long x, long y, Ruby runtime, long z, boolean neg)

public static void
checkInteger(ThreadContext context, IRubyObject obj)
Deprecated

public static IRubyObject
f_abs(ThreadContext context, IRubyObject x)

f_abs

public static RubyInteger
f_abs(ThreadContext context, RubyInteger x)

public static RubyFloat
f_abs(ThreadContext context, RubyFloat x)

public static IRubyObject
f_abs2(ThreadContext context, IRubyObject x)

f_abs2

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

f_add

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

public static IRubyObject
f_arg(ThreadContext context, IRubyObject x)

f_arg

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

f_cmp

public static RubyFixnum
f_cmp(ThreadContext context, RubyInteger x, RubyInteger y)

public static RubyFixnum
f_cmp(ThreadContext context, RubyInteger x, long y)

public static IRubyObject
f_conjugate(ThreadContext context, IRubyObject x)

f_conjugate

public static IRubyObject
f_denominator(ThreadContext context, IRubyObject x)

f_denominator

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

f_div

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

f_divmod

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

public static boolean
f_eqeq_p(ThreadContext context, IRubyObject x, IRubyObject y)

public static IRubyObject
f_equal(ThreadContext context, IRubyObject a, IRubyObject b)

f_equal Note: This may not return a value which is a boolean.

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

public static boolean
f_exact_p(ThreadContext context, IRubyObject x)

f_exact_p

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

f_expt

public static RubyNumeric
f_expt(ThreadContext context, RubyInteger x, RubyInteger y)

public static IRubyObject
f_floor(ThreadContext context, IRubyObject x)

f_floor

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

f_gcd

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

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

f_gt_p

public static boolean
f_gt_p(ThreadContext context, RubyInteger x, RubyInteger y)

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

f_idiv

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

public static IRubyObject
f_inspect(ThreadContext context, IRubyObject x)

f_inspect

public static boolean
f_integer_p(ThreadContext context, IRubyObject x)

f_integer_p

public static boolean
f_integer_p(ThreadContext context, RubyNumeric x)

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

f_lcm

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

f_lshift

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

f_lt_p

public static boolean
f_lt_p(ThreadContext context, RubyInteger x, RubyInteger y)

public static boolean
f_minus_one_p(ThreadContext context, IRubyObject x)

f_minus_one_p

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

f_mod

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

f_mul

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

public static IRubyObject
f_negate(ThreadContext context, IRubyObject x)

f_negate

public static RubyInteger
f_negate(ThreadContext context, RubyInteger x)

public static boolean
f_negative_p(ThreadContext context, IRubyObject x)

f_negative_p

public static boolean
f_negative_p(ThreadContext context, RubyInteger x)

public static boolean
f_negative_p(ThreadContext context, RubyFloat x)

public static IRubyObject
f_numerator(ThreadContext context, IRubyObject x)

f_numerator

public static boolean
f_odd_p(ThreadContext context, IRubyObject i)

f_odd_p

public static boolean
f_one_p(ThreadContext context, IRubyObject x)

f_one_p

public static IRubyObject
f_polar(ThreadContext context, IRubyObject x)

f_polar

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

f_quo

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

public static boolean
f_real_p(ThreadContext context, IRubyObject x)

f_real_p

public static IRubyObject
f_reciprocal(ThreadContext context, IRubyObject x)

MRI: f_reciprocal

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

f_rshift

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

f_sub

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

public static IRubyObject
f_to_f(ThreadContext context, IRubyObject x)

f_to_f

public static IRubyObject
f_to_i(ThreadContext context, IRubyObject x)

f_to_i

public static IRubyObject
f_to_r(ThreadContext context, IRubyObject x)

f_to_r

public static RubyNumeric
f_to_r(ThreadContext context, RubyInteger x)

public static IRubyObject
f_to_s(ThreadContext context, IRubyObject x)

f_to_s

public static IRubyObject
f_truncate(ThreadContext context, IRubyObject x)

f_truncate

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

f_xor

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

public static boolean
f_zero_p(ThreadContext context, IRubyObject x)

f_zero_p

public static boolean
f_zero_p(ThreadContext context, RubyInteger x)

pack-priv static boolean
fitSqrtLong(long n)

private static boolean
fixnumOne(ThreadContext context, IRubyObject y)

private static boolean
fixnumZero(ThreadContext context, IRubyObject y)

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

public static long
i_gcd(long x, long y)

i_gcd

public static long
i_ilog2(ThreadContext context, IRubyObject x)

public static long
i_ilog2(ThreadContext context, RubyInteger x)

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

protected static boolean

Returns:

true if it is equal to Long.MAX_VALUE, false otherwise.
isLongMinValue(RubyFixnum
the Fixnum to compare
x)

Check if the Fixnum passed is equal to Long.MAX_VALUE.

public static boolean
k_exact_p(IRubyObject x)

public static boolean
k_exact_zero_p(ThreadContext context, IRubyObject x)

MRI: k_exact_zero_p

public static boolean
k_inexact_p(IRubyObject x)

public static boolean
k_integer_p(IRubyObject x)

public static boolean
k_numeric_p(IRubyObject x)

public static double
ldexp(double f, long e)

public static boolean
multiplyOverflows(long a, long b)

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

public static IRubyObject[]
nurat_rationalize_internal(ThreadContext context, IRubyObject a, IRubyObject b)

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

public static long

Returns:

the rotated value
rotl(long
the bits to rotate
bits, int
how many bit positions to rotate
rot)

Rotate the given long bits left.

public static long

Returns:

the rotated value
rotr(long
the bits to rotate
bits, int
how many bit positions to rotate
rot)

Rotate the given long bits right.

public static IRubyObject
safe_mul(ThreadContext context, IRubyObject a, IRubyObject b, boolean az, boolean bz)

private static JavaSites.NumericSites
sites(ThreadContext context)

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait