#include <myx/math/almost_equal_relative.hpp>

#include <cmath>

namespace myx {

namespace math {

bool almost_equal_relative( const float a, const float b,
                            const float maxRelDiff )
{
	float diff    = fabsf( a - b );
	float aN      = fabsf( a );
	float bN      = fabsf( b );
	float largest = ( bN > aN ) ? bN : aN;

	if ( diff <= largest * maxRelDiff )
	{
		return( true );
	}
	return( false );
}


bool almost_equal_relative( const double a, const double b,
                            const double maxRelDiff )
{
	double diff    = fabs( a - b );
	double aN      = fabs( a );
	double bN      = fabs( b );
	double largest = ( bN > aN ) ? bN : aN;

	if ( diff <= largest * maxRelDiff )
	{
		return( true );
	}
	return( false );
}

} // namespace math

} // namespace myx