num_traits.h File Reference

#include "num_common.h"
#include "basic_ops.h"

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Data Structures
struct	lass::num::NumTraits< C >
struct	lass::num::NumTraits< char >
Namespaces
namespace	lass
	Library for Assembled Shared Sources.
namespace	lass::num
	numeric types and traits.
Defines
#define	LASS_NUM_DECLARE_FLOATING_TRAITS(ttype, tname)
#define	LASS_NUM_DECLARE_COMPLEX_FLOATING_TRAITS(ttype, tname)
#define	LASS_NUM_DECLARE_INTEGRAL_TRAITS(sign, type, is_signed)
Functions
template<class C >
bool	lass::num::isNaN (const C &iV)
template<class C >
bool	lass::num::isInf (const C &iV)
	return true if iV equals minus or plus Infinity

---

Detailed Description

Author:

Bram de Greve (bramz@users.sourceforge.net)

Tom De Muer (tomdemuer@users.sourceforge.net)

*** BEGIN LICENSE INFORMATION ***

The contents of this file are subject to the Common Public Attribution License Version 1.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://lass.sourceforge.net/cpal-license. The License is based on the Mozilla Public License Version 1.1 but Sections 14 and 15 have been added to cover use of software over a computer network and provide for limited attribution for the Original Developer. In addition, Exhibit A has been modified to be consistent with Exhibit B.

Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License.

The Original Code is LASS - Library of Assembled Shared Sources.

The Initial Developer of the Original Code is Bram de Greve and Tom De Muer. The Original Developer is the Initial Developer.

All portions of the code written by the Initial Developer are: Copyright (C) 2004-2007 the Initial Developer. All Rights Reserved.

Contributor(s):

Alternatively, the contents of this file may be used under the terms of the GNU General Public License Version 2 or later (the GPL), in which case the provisions of GPL are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of the GPL and not to allow others to use your version of this file under the CPAL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL License. If you do not delete the provisions above, a recipient may use your version of this file under either the CPAL or the GPL.

*** END LICENSE INFORMATION ***

Definition in file num_traits.h.

---

Define Documentation

#define LASS_NUM_DECLARE_FLOATING_TRAITS	(	ttype,
		tname		)

Definition at line 116 of file num_traits.h.

#define LASS_NUM_DECLARE_COMPLEX_FLOATING_TRAITS	(	ttype,
		tname		)

Value:

template<> \
struct LASS_DLL NumTraits< ttype >\
{\
    typedef ttype   selfType;\
    typedef ttype::value_type   baseType;\
    typedef ttype   intervalType;\
    enum\
    {\
        isDistribution = false,\
        isIntegral = false,\
        isNative = false,\
        isSigned = true,\
        hasInfinity = false,\
        hasNaN = false,\
        isFloatingPoint = NumTraits< baseType >::isFloatingPoint\
    };\
    static const size_t   memorySize;\
    static const size_t   mantisseSize;\
    static const std::string name() { return tname ; }\
    static const ttype one;\
    static const ttype zero;\
    static const ttype pi;\
    static const ttype e;\
    static const ttype sqrt2;\
    static const ttype sqrtPi;\
};

Definition at line 151 of file num_traits.h.

#define LASS_NUM_DECLARE_INTEGRAL_TRAITS	(	sign,
		type,
		is_signed		)

Value:

template<> \
struct LASS_DLL NumTraits<sign type> \
{\
    typedef sign type selfType;\
    typedef sign type baseType;\
    typedef float   intervalType;\
    typedef signed type signedType;\
    typedef unsigned type unsignedType;\
    enum\
    {\
        isDistribution = 0,\
        isIntegral = 1,\
        isNative = 1,\
        isSigned = is_signed,\
        hasInfinity = 0,\
        hasNaN = 0,\
        isFloatingPoint = 0\
    };\
    static const size_t   memorySize;\
    static const size_t   mantisseSize;\
    static const std::string name() { return LASS_STRINGIFY(sign type); }\
    static const selfType one;\
    static const selfType zero;\
    static const selfType epsilon;\
    static const selfType min;\
    static const selfType max;\
    static const selfType minStrictPositive;\
};

Definition at line 221 of file num_traits.h.