/usr/include/ThePEG/Config/TemplateTools.h is in libthepeg-dev 1.8.0-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | // -*- C++ -*-
//
// TemplateTools.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 2006-2011 David Grellscheid, Leif Lonnblad
//
// ThePEG is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef Template_Tools_H
#define Template_Tools_H
/**
* @file TemplateTools.h
* Useful template machinery. Based on Alexandrescu, "Modern C++ Design".
*/
namespace ThePEG {
/// Conversion between integers and types.
template <int v>
struct Int2Type
{
enum { value = v };
};
/// Dummy type for ambiguous function signatures.
struct DummyType {};
/// Result type calculations for binary operators.
template <typename T, typename U>
struct BinaryOpTraits;
/** @cond TRAITSPECIALIZATIONS */
template <>
struct BinaryOpTraits<double,double> {
/** The type resulting from multiplication of the template types. */
typedef double MulT;
/** The type resulting from division of the first template type by
the second. */
typedef double DivT;
};
template <>
struct BinaryOpTraits<long double, long double> {
/** The type resulting from multiplication of the template types. */
typedef long double MulT;
/** The type resulting from division of the first template type by
the second. */
typedef long double DivT;
};
template <>
struct BinaryOpTraits<int,int> {
/** The type resulting from multiplication of the template types. */
typedef int MulT;
/** The type resulting from division of the first template type by
the second. */
typedef int DivT;
};
/** @endcond */
/// Selection mechanism for type-dependent implementations.
enum ImplSelector { Dimensioned, Standard };
/// Typedef for dimensioned types.
typedef Int2Type<Dimensioned> DimensionT;
/// Typedef for non-dimensioned types.
typedef Int2Type<Standard> StandardT;
/// Type traits for built-in types
template <typename T>
struct TypeTraits
{
/// Boolean flag. Is true for physical quantities.
enum { hasDimension = false };
/// Implementation selector
typedef StandardT DimType;
/// Base unit
static const double baseunit;
};
/// Built-in types have no dimension.
template<typename T>
const double TypeTraits<T>::baseunit = T(1);
}
#endif
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