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LHCbMath.h File Reference

Collection of math related functions for general use in LHCb. More...

#include <cmath>
#include <algorithm>
#include <functional>
#include "boost/call_traits.hpp"
#include "boost/integer_traits.hpp"
#include "boost/static_assert.hpp"

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Namespaces
namespace	LHCb
namespace	LHCb::Math
Classes
struct	LHCb::Math::abs_less< TYPE >
	comparison by absolute value More...
struct	LHCb::Math::abs_greater< TYPE >
	comparison by absolute value More...
struct	LHCb::Math::Equal_To< TYPE >
	helper structure for comparison of floating values More...
struct	LHCb::Math::Equal_To< const TYPE >
	partial specialization for const-types More...
struct	LHCb::Math::Equal_To< TYPE & >
	partial specialization for references More...
struct	LHCb::Math::Equal_To< double >
	explicit specialization for doubles More...
struct	LHCb::Math::Equal_To< long double >
	explicit specialization for long doubles More...
struct	LHCb::Math::Equal_To< float >
	explicit specialization for floats More...
Defines
#define	LHCBMATH_LHCBMATH_H   1
Functions
template<class TYPE>
TYPE	LHCb::Math::absMin (TYPE v1, TYPE v2)
	return "min_by_abs"
template<class TYPE>
TYPE	LHCb::Math::absMax (TYPE v1, TYPE v2)
	return "max_by_abs"
bool	LHCb::Math::equal_to_double (const double value1, const double value2, const double epsilon=1.0e-6)
	compare two double numbers with relative precision 'epsilon'
int	LHCb::Math::round (const double x)
	Round to nearest integer.
int	LHCb::Math::round (const float x)
	Round to nearest integer.
bool	LHCb::Math::equal_to_int (const double val, const int ref, const double eps1=1.e-6, const double eps2=0.5e-3/boost::integer_traits< int >::const_max)
	check if the double value is actually equal to the integer value
bool	LHCb::Math::equal_to_int (const int ref, const double val, const double eps1=1.e-6, const double eps2=0.5e-3/boost::integer_traits< int >::const_max)
	check if the double value is actually equal to the integer value
bool	LHCb::Math::equal_to_uint (const double val, const unsigned int ref, const double eps1=1.e-6, const double eps2=1.e-3/boost::integer_traits< unsigned int >::const_max)
	check if the double value is actually equal to the unsigned integer value
bool	LHCb::Math::equal_to_uint (const unsigned int ref, const double val, const double eps1=1.e-6, const double eps2=1.e-3/boost::integer_traits< unsigned int >::const_max)
	check if the double value is actually equal to the integer value
Variables
static const double	LHCb::Math::hiTolerance = 1e-40
	Parameters for numerical calculations (M.Needham).
static const double	LHCb::Math::lowTolerance = 1e-20
static const double	LHCb::Math::looseTolerance = 1e-5
static const double	LHCb::Math::sqrt_12 = 3.4641016151377546
static const double	LHCb::Math::inv_sqrt_12 = 0.2886751345948129

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Detailed Description

Collection of math related functions for general use in LHCb.

CVS Log :-

Id

LHCbMath.h,v 1.7 2008/10/01 13:49:56 ibelyaev Exp

Author:

Juan PALACIOS

Date:

2005-11-21

Definition in file LHCbMath.h.

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Define Documentation

#define LHCBMATH_LHCBMATH_H   1

Definition at line 14 of file LHCbMath.h.

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