Methods
(static) baseLabel(label, retLabel)
Check and normalize the base label. Access the global kx_baseLabel.
Parameters:
Name | Type | Default | Description |
---|---|---|---|
label |
string | ||
retLabel |
boolean | false | to return string instead pointer. |
Returns:
- object pointer (to the correct kx_baseLabel), or a string with normalized label.
(static) bigint_div(N, D, P) → {Array}
Division N/D. Returns integer part and "normalized fractional part"
Parameters:
Name | Type | Description |
---|---|---|
N |
BigInt | positive numerator. |
D |
BigInt | positive non-zero denominator. |
P |
BigInt | power to be used in 2**P, with P>0. |
Returns:
- values [integer_part,fractional_part] = [IP,FP] where F=FP*2^P.
- Type
- Array
(static) ilog2(n) → {integer}
Calculates the integer log2() of a BigInt... So, its number of bits.
Parameters:
Name | Type | Description |
---|---|---|
n |
BigInt | a positive integer. |
Returns:
- the ilog2(n)=ceil(log2(n))
- Type
- integer
(static) kx_baseLabel_setRules()
Apply correction rules to SizedBigInt.kx_baseLabel.
(static) kx_RefreshDefaults()
Internal class-level cache-builder for Base4h and Base16ph complete translations. and generates all other kx_baseLabel global defaults. Singleton Design Pattern.
(static) kx_trConfig()
Internal cache-builder for input radix methods. Generates the non-default objects. Changes the state of SizedBigInt.kx_tr.
(static) objSwap() → {object}
Swap-object utility.
Parameters:
Name | Type | Description |
---|---|---|
obj. |
object |
Returns:
- with swapped key-values.
- Type
- object
fixbits_last() → {BitInt}
Get the "last numeric SizedBigInt" using same number of bits.
Returns:
- the maximum value.
- Type
- BitInt
fixbits_next(cycle)
Get the "next numeric SizedBigInt" using same number of bits.
Parameters:
Name | Type | Default | Description |
---|---|---|---|
cycle |
false | boolean flag to use Sized Integers as cyclic group (no error on maximum value) |
Returns:
null or BitInt of the "same-bit-length successor" of the current state.
fromInt(val, bits, maxBits)
Input from BigInt or integer part of a Number.
Parameters:
Name | Type | Default | Description |
---|---|---|---|
val |
Number or BigInt. |
||
bits |
integer | 0 | optional, the bit-length of val, to padding zeros. |
maxBits |
integer | null | null or maximal number of bits, truncating. |
Returns:
- new or redefined SizedBigInt.
fromString(strval, radix, maxBits)
Input from string.
Parameters:
Name | Type | Default | Description |
---|---|---|---|
strval |
string | with valid representation for radix. |
|
radix |
integer | 4 | the representation adopted in strval, a label of SizedBigInt.kx_baseLabel. |
maxBits |
null | null or maximal number of bits. |
Returns:
- new or redefined SizedBigInt.
toString(radix) → {string}
Overrides the default toString() method and implements radix convertions.
Parameters:
Name | Type | Description |
---|---|---|
radix |
integer | optional, the base-label (see keys of SizedBigInt.kx_baseLabel) |
Returns:
the solicitated representation.
- Type
- string