[#BloombergLP-bdldfp-DecimalImpUtil-copySign-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::xref:BloombergLP/bdldfp/DecimalImpUtil.adoc[DecimalImpUtil]::copySign
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:mrdocs:

Return a decimal value with the magnitude of the specifed `x` and the sign of the specified `y`. If `x` is NaN, then NaN with the sign of `y` is returned.

== Synopsis

Declared in `<bdldfp_decimalimputil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType32.adoc[DecimalImpUtil::ValueType32]
copySign(
    xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType32.adoc[ValueType32] x,
    xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType32.adoc[ValueType32] y);
----

== Description

Examples: `copysign( 5.0, ‐2.0)` ==> ‐5.0; `copysign(‐5.0, ‐2.0)` ==> ‐5.0


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