BloombergLP::bdldfp::DecimalImpUtil::round

Return x rounded to the specified precision.

Synopsis

Declared in <bdldfp_decimalimputil.h>

static
ValueType32
round(
    ValueType32 x,
    unsigned int precision);

Description

Round halfway cases away from zero, regardless of the current decimal floating point rounding mode. If x is integral, positive zero, negative zero, NaN, or infinity then return x itself.

Examples: round(3.14159, 3) ==> 3.142

Return Value

x rounded to the specified precision

Parameters

NameDescription
xvalue to round
precisionnumber of digits after the decimal point