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[spec] Fix sqrt(-0) #1227

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Jul 27, 2020
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[spec] Fix sqrt(-0) #1227

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4 changes: 3 additions & 1 deletion document/core/exec/numerics.rst
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Expand Up @@ -1058,12 +1058,14 @@ This non-deterministic result is expressed by the following auxiliary function p

* If :math:`z` is a NaN, then return an element of :math:`\nans_N\{z\}`.

* Else if :math:`z` has a negative sign, then return an element of :math:`\nans_N\{\}`.
* Else if :math:`z` is negative infinity, then return an element of :math:`\nans_N\{\}`.

* Else if :math:`z` is positive infinity, then return positive infinity.

* Else if :math:`z` is a zero, then return that zero.

* Else if :math:`z` has a negative sign, then return an element of :math:`\nans_N\{\}`.

* Else return the square root of :math:`z`.

.. math::
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