Return x rounded toward zero to an integral value.
Synopsis
Declared in <bdldfp_decimalimputil.h>
static
DecimalImpUtil::ValueType32
trunc(ValueType32 x);
Description
Special value handling: * if x is quiet NaN, quiet NaN is returned. * If x is signaling NaN, quiet NaN is returned and the value of the macro EDOM is stored into errno. * if x is +/‐infinity or +/‐0, it is returned unmodified.
Examples: trunc(0.5) ==> 0.0; trunc(‐0.5) ==> 0.0
Return Value
x rounded toward zero to an integral value
Parameters
Name |
Description |
x |
value to truncate |
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