this.init_by_array = function()

in web/js/faker.js [52367:52396]

• 22 lines of code
• 7 McCabe index (conditional complexity)

	this.init_by_array = function (init_key, key_length)
	{
		//c//int i, j, k;
		var i, j, k;
		//c//init_genrand(19650218);
		this.init_genrand(19650218);
		i=1; j=0;
		k = (N>key_length ? N : key_length);
		for (; k; k--) {
			//c//mt[i] = (mt[i] ^ ((mt[i-1] ^ (mt[i-1] >> 30)) * 1664525))
			//c//	+ init_key[j] + j; /* non linear */
			mt[i] = addition32(addition32(unsigned32(mt[i] ^ multiplication32(unsigned32(mt[i-1] ^ (mt[i-1] >>> 30)), 1664525)), init_key[j]), j);
			mt[i] =
			//c//mt[i] &= 0xffffffff; /* for WORDSIZE > 32 machines */
			unsigned32(mt[i] & 0xffffffff);
			i++; j++;
			if (i>=N) { mt[0] = mt[N-1]; i=1; }
			if (j>=key_length) j=0;
		}
		for (k=N-1; k; k--) {
			//c//mt[i] = (mt[i] ^ ((mt[i-1] ^ (mt[i-1] >> 30)) * 1566083941))
			//c//- i; /* non linear */
			mt[i] = subtraction32(unsigned32((dbg=mt[i]) ^ multiplication32(unsigned32(mt[i-1] ^ (mt[i-1] >>> 30)), 1566083941)), i);
			//c//mt[i] &= 0xffffffff; /* for WORDSIZE > 32 machines */
			mt[i] = unsigned32(mt[i] & 0xffffffff);
			i++;
			if (i>=N) { mt[0] = mt[N-1]; i=1; }
		}
		mt[0] = 0x80000000; /* MSB is 1; assuring non-zero initial array */
	}