BloombergLP::bdldfp::DecimalImpUtil::sqrt

Return the square root of x.

Synopsis

Declared in <bdldfp_decimalimputil.h>

static
DecimalImpUtil::ValueType32
sqrt(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 less than -0, 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.

Return Value

the square root of x

Parameters

NameDescription
xvalue whose square root is returned