Lomont.cpp File Reference

#include <iostream>
#include <limits>
#include <cassert>
#include <cmath>
#include <vector>
#include "GaudiKernel/Lomont.h"
#include "boost/static_assert.hpp"
#include "boost/integer_traits.hpp"

Include dependency graph for Lomont.cpp:

Go to the source code of this file.

Typedefs
typedef _Longs::Long	Long
	get the final types:
typedef _Longs::ULong	ULong
Functions
	BOOST_STATIC_ASSERT (std::numeric_limits< float >::is_specialized &&boost::integer_traits< int >::is_specialized &&boost::integer_traits< unsigned int >::is_specialized &&sizeof(float)==sizeof(int)&&sizeof(float)==sizeof(unsigned int)&&32==boost::integer_traits< unsigned int >::digits)
	BOOST_STATIC_ASSERT (std::numeric_limits< double >::is_specialized &&std::numeric_limits< Long >::is_specialized &&std::numeric_limits< ULong >::is_specialized &&boost::integer_traits< ULong >::is_specialized &&boost::integer_traits< Long >::is_specialized &&sizeof(double)==sizeof(Long)&&sizeof(double)==sizeof(ULong)&&64==std::numeric_limits< ULong >::digits)
	the final check
GAUDI_API bool	Gaudi::Math::lomont_compare_float (const float af, const float bf, const unsigned short maxULPs)
	equality comparison of float numbers using as the metric the maximal number of Units in the Last Place (ULP).
GAUDI_API float	Gaudi::Math::next_float (const float af, const short ulps)
	Get the floating number that representation is different with respect to the argument for the certain number of "Units in the Last Position".
GAUDI_API bool	Gaudi::Math::lomont_compare_double (const double af, const double bf, const unsigned int maxULPs)
	equality comparison of double numbers using as the metric the maximal number of Units in the Last Place (ULP).
GAUDI_API double	Gaudi::Math::next_double (const double af, const short ulps)
	Get the floating number that representation is different with respect to the argument for the certain number of "Units in the Last Position".

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Typedef Documentation

typedef _Longs::Long Long [static]

get the final types:

Definition at line 59 of file Lomont.cpp.

typedef _Longs::ULong ULong [static]

Definition at line 60 of file Lomont.cpp.

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Function Documentation

@410::BOOST_STATIC_ASSERT

(

std::numeric_limits< double >::is_specialized &&std::numeric_limits< Long >::is_specialized &&std::numeric_limits< ULong >::is_specialized &&boost::integer_traits< ULong >::is_specialized &&boost::integer_traits< Long >::is_specialized &&

sizeofdouble = =sizeof(Long)&&sizeof(double)==sizeof(ULong)&&64==std::numeric_limits< ULong >::digits

)

[static]

the final check

@410::BOOST_STATIC_ASSERT

(

std::numeric_limits< float >::is_specialized &&boost::integer_traits< int >::is_specialized &&boost::integer_traits< unsigned int >::is_specialized &&

sizeoffloat = =sizeof(int)&&sizeof(float)==sizeof(unsigned int)&&32==boost::integer_traits< unsigned int >::digits

)

[static]

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Variable Documentation

double d

Definition at line 143 of file Lomont.cpp.

float f

Definition at line 102 of file Lomont.cpp.

int i

Definition at line 103 of file Lomont.cpp.

Long l

Definition at line 144 of file Lomont.cpp.

Double_U m_d

the helper union

Definition at line 150 of file Lomont.cpp.

Float_U m_f

the helper union

Definition at line 109 of file Lomont.cpp.