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 *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"
// INCLUDE ---------------------------------------------------------------



#include "subtotal.hxx"
#include "interpre.hxx"

// -----------------------------------------------------------------------

sal_Bool SubTotal::SafePlus(double& fVal1, double fVal2)
{
	sal_Bool bOk = sal_True;
	SAL_MATH_FPEXCEPTIONS_OFF();
    fVal1 += fVal2;
	if (!::rtl::math::isFinite(fVal1))
	{
		bOk = sal_False;
		if (fVal2 > 0.0)
			fVal1 = DBL_MAX;
		else
			fVal1 = -DBL_MAX;
	}
	return bOk;
}


sal_Bool SubTotal::SafeMult(double& fVal1, double fVal2)
{
	sal_Bool bOk = sal_True;
	SAL_MATH_FPEXCEPTIONS_OFF();
    fVal1 *= fVal2;
	if (!::rtl::math::isFinite(fVal1))
	{
		bOk = sal_False;
		fVal1 = DBL_MAX;
	}
	return bOk;
}


sal_Bool SubTotal::SafeDiv(double& fVal1, double fVal2)
{
	sal_Bool bOk = sal_True;
	SAL_MATH_FPEXCEPTIONS_OFF();
    fVal1 /= fVal2;
	if (!::rtl::math::isFinite(fVal1))
	{
		bOk = sal_False;
		fVal1 = DBL_MAX;
	}
	return bOk;
}