moose-core/basecode/doubleEq.cpp at master · BhallaLab/moose-core · GitHub

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/**********************************************************************

** This program is part of 'MOOSE', the

** Messaging Object Oriented Simulation Environment.

** It is made available under the terms of the

** GNU Lesser General Public License version 2.1

** See the file COPYING.LIB for the full notice.

**********************************************************************/

#define EPS1 1e-6

#define EPS2 1e-12

#define EPS3 1e-3

#include <math.h>

bool doubleEq( double x, double y )

{

double denom = fabs( x ) + fabs( y );

if ( denom < EPS2 )

denom = EPS1;

return ( fabs( x - y ) / denom ) < EPS1;

}

bool doubleApprox( double x, double y )

{

double denom = fabs( x ) + fabs( y );

if ( denom < EPS1 )

denom = EPS1;

return ( fabs( x - y ) / denom ) < EPS3;

}

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