Editing IEEE 754
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* When multiplying two numbers, at least one of which is zero, the signs are also multiplied; for example, multiplying positive zero by any negative value (except negative infinity) gives negative zero. | * When multiplying two numbers, at least one of which is zero, the signs are also multiplied; for example, multiplying positive zero by any negative value (except negative infinity) gives negative zero. | ||
* Likewise, when dividing zero by a nonzero number, the signs are also divided. This is true even when the divisor is infinite. | * Likewise, when dividing zero by a nonzero number, the signs are also divided. This is true even when the divisor is infinite. | ||
− | * When dividing a nonzero number by zero, the signs are also divided (and the result will be either positive infinity or negative infinity, accordingly). | + | * When dividing a nonzero number by positive zero, the signs are also divided (and the result will be either positive infinity or negative infinity, accordingly). |
* (+0) + (+0) = (+0) - (-0) = +0 | * (+0) + (+0) = (+0) - (-0) = +0 | ||
* (-0) + (-0) = (-0) - (+0) = -0 | * (-0) + (-0) = (-0) - (+0) = -0 |