Created
December 20, 2017 06:34
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function divide(x, y) { | |
if (y === 0) { | |
throw new Error('Division by zero'); | |
} | |
var xabs = x < 0 ? -x : x; | |
var yabs = y < 0 ? -y : y; | |
var result = 0; | |
while (xabs >= yabs) { | |
result++; | |
xabs -= yabs; | |
} | |
if ((x < 0 && y < 0) || (x > 0 && y > 0)) { | |
return result; | |
} | |
return -result; | |
} | |
function multiply(x, y) { | |
var result = 0; | |
var count = y < 0 ? -y : y; | |
for (var i = 0; i < count; i++) { | |
if (y > 0) { | |
result += x; | |
} else { | |
result -= x; | |
} | |
} | |
return result; | |
} |
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