Signed Zero
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High Quality Content by WIKIPEDIA articles! Signed zero is zero with an associated sign. In ordinary arithmetic, 0 = 0. However, in computing, some number representations allow for the existence of two zeros, often denoted by 0 (negative zero) and +0 (positive zero). This occurs in some signed number representations for integers, and in most floating point number representations. The number 0 is usually encoded as +0, however it can be represented by either +0 and 0. The IEEE 754 standard for floating point arithmetic (presently used by most computers and programming languages that support flo...
High Quality Content by WIKIPEDIA articles! Signed zero is zero with an associated sign. In ordinary arithmetic, 0 = 0. However, in computing, some number representations allow for the existence of two zeros, often denoted by 0 (negative zero) and +0 (positive zero). This occurs in some signed number representations for integers, and in most floating point number representations. The number 0 is usually encoded as +0, however it can be represented by either +0 and 0. The IEEE 754 standard for floating point arithmetic (presently used by most computers and programming languages that support floating point numbers) requires both +0 and 0. The zeroes can be considered as a variant of the extended real number line such that 1/ 0 = and 1/+0 = + , division by zero is only undefined for ±0/±0.
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