antonshkurenko · October 22, 2015 20:14
diff --git a/Elegant if-else b/Elegant if-else
 int a = in0[i], b = in1[i];
 int cmp = a < b; //if TRUE, cmp has all bits 1, if FALSE all bits 0
 // & bitwise AND
 // | bitwise OR
 // ~ flips all bits
 out[i] = (a&cmp) | (b&~cmp); //a when TRUE and b when FALSE
	int a = in0[i], b = in1[i];
	int cmp = a < b; //if TRUE, cmp has all bits 1, if FALSE all bits 0
	// & bitwise AND
	// \| bitwise OR
	// ~ flips all bits
	out[i] = (a&cmp) \| (b&~cmp); //a when TRUE and b when FALSE
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