LibreOffice Module sc (master) 1
math.hxx
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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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19
20#pragma once
21
23
24namespace sc {
25
29inline double div( const double& fNumerator, const double& fDenominator )
30{
31 return (fDenominator != 0.0) ? (fNumerator / fDenominator) :
32 CreateDoubleError( FormulaError::DivisionByZero);
33}
34
49inline double divide( const double& fNumerator, const double& fDenominator )
50{
51 if (fDenominator == 0.0)
52 {
53 if (std::isfinite( fNumerator) && fNumerator != 0.0)
54 return std::signbit(fNumerator) ? -std::numeric_limits<double>::infinity()
55 : std::numeric_limits<double>::infinity();
56 return std::numeric_limits<double>::quiet_NaN();
57 }
58 return fNumerator / fDenominator;
59}
60
66double power( const double& fVal1, const double& fVal2 );
67
68}
69
70/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
double CreateDoubleError(FormulaError nErr)
CAUTION! The following defines must be in the same namespace as the respective type.
double power(const double &fVal1, const double &fVal2)
Return pow(fVal1,fVal2) with error handling.
Definition: math.cxx:30
double div(const double &fNumerator, const double &fDenominator)
Return fNumerator/fDenominator if fDenominator!=0 else #DIV/0! error coded into double.
Definition: math.hxx:29
double divide(const double &fNumerator, const double &fDenominator)
Return fNumerator/fDenominator if fDenominator!=0 else +-Infinity if fNumerator!=0 or NaN if fNumerat...
Definition: math.hxx:49