nv-buf-3567

• simple util for Uint24Array | Uint40Array | Uint48Array | Uint56Array
• compress using

install

• npm install nv-buf-3567

usage

          const x   = require("nv-buf-3567");

example

	var u24a = x.creat_u24a(3)
	u24a.set(0,65536)
	u24a.set(1,255)
	u24a.set(2,2**24-1)

	/*
	> u24a
	Uint24Array [ArrayBuffer] {
	  [Uint8Contents]: <01 00 00 00 00 ff ff ff ff>,
	  byteLength: 9
	}
	*/
	u24a.get(0)
	//65536
	u24a.get(1)
	//255
	u24a.get(2)
	//16777215
	//> 2**24 -1
	//16777215


	var u48a = x.creat_u48a(3);
	u48a.set(0,2**48-1);
	u48a.set(1,2**32);
	u48a.set(2,1);

	/*
	> u48a.get(0)
	281474976710655
	> 
	> u48a.get(1)
	4294967296
	> u48a.get(2)
	1
	> 2**48-1
	281474976710655
	> 
	*/

	var u56a = x.creat_u56a(3); // this need using bigint to set 
	u56a.set(0,2n**56n-1n);
	u56a.set(1,2n**48n);
	u56a.set(2,1n);

	/*
	> u56a.ary()
	[ 72057594037927935n, 281474976710656n, 1n ]
	> 2n**56n -1n
	72057594037927935n
	> 2n**48n
	281474976710656n
	>
	*/

METHODS

              //getter 
              uxxa'length

              //
              uxxa'ary()                                                                       -> <is<uxxa>56>  ? Array<BigInt> : Array<LT<2**53>>                    
              uxxa'get(index)                                                                  -> <is<uxxa>56>  ? BigInt        : <LT<2**53> 
              uxxa'.set(index:ui32,      val:  <<is<uxxa>56>  ? BigInt : <LT<2**53>>   )       -> void

APIS

		{
		  wu24: [Function: wu24],
		  ru24: [Function: ru24],
		  creat_u24_dv: [Function: creat_u24_dv],
		  get_u24_at: [Function: get_u24_at],
		  set_u24_at: [Function: set_u24_at],
		  creat_u24a: [Function: creat_u24a],
		  wu40: [Function: wu40],
		  ru40: [Function: ru40],
		  creat_u40_dv: [Function: creat_u40_dv],
		  get_u40_at: [Function: get_u40_at],
		  set_u40_at: [Function: set_u40_at],
		  creat_u40a: [Function: creat_u40a],
		  wu48: [Function: wu48],
		  ru48: [Function: ru48],
		  creat_u48_dv: [Function: creat_u48_dv],
		  get_u48_at: [Function: get_u48_at],
		  set_u48_at: [Function: set_u48_at],
		  creat_u48a: [Function: creat_u48a],
		  wu56: [Function: wu56],
		  ru56: [Function: ru56],
		  creat_u56_dv: [Function: creat_u56_dv],
		  get_u56_at: [Function: get_u56_at],
		  set_u56_at: [Function: set_u56_at],
		  creat_u56a: [Function: creat_u56a],
		  _enable_patch: [Function: _enable_patch],
		  _disable_patch: [Function: _disable_patch]
		}

LICENSE

• ISC