/usr/include/opengm/operations/multiplier.hxx is in libopengm-dev 2.3.6-2.
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 93 94 95 96 97 | #pragma once
#ifndef OPENGM_OPERATION_MULTIPLIER_HXX
#define OPENGM_OPERATION_MULTIPLIER_HXX
#include "opengm/graphicalmodel/graphicalmodel_factor_operator.hxx"
namespace opengm {
/// Multiplication as a binary operation
///
/// \ingroup operators
struct Multiplier
{
/// neutral element (with return)
template<class T>
static T neutral()
{ return static_cast<T>(1); }
/// neutral element (call by reference)
template<class T>
static void neutral(T& out)
{ out = static_cast<T>(1); }
/// inverse neutral element (with return)
template<class T>
static T ineutral()
{ return static_cast<T>(1); }
/// inverse neutral element (call by reference)
template<class T>
static void ineutral(T& out)
{ out = static_cast<T>(1); }
/// operation (in-place)
template<class T1, class T2>
static void op(const T1& in, T2& out)
{ out *= in; }
/// operation (not in-place)
template<class T1,class T2,class T3>
static void op(const T1& in1, const T2& in2, T3& out)
{ out = in1 * in2; }
/// inverse operation (in-place)
template<class T1, class T2>
static void iop(const T1& in, T2& out)
{ out /= in; }
/// inverse operation (not in-place)
template<class T1, class T2, class T3>
static void iop(const T1& in1, const T2& in2, T3& out)
{ out = in1 / in2; }
/// bool operation flag
static bool hasbop()
{return false;}
/// hyper-operation (not in-place)
template<class T1, class T2>
static void hop(const T1& in1, T2& out)
{
opengm::operateUnary(out,opengm::PowFunctor<T1>(in1) );
//T2 temp = out;
//opengm::operateUnary(temp,out,opengm::PowFunctor<T1>(in1));
//out.operateUnary(out,opengm::PowFunctor<T2>(in1)) ;
//out= pow(out, in1);
}
/// hyper-operation (not in-place)
template<class T1, class T2, class T3>
static void hop(const T1& in1, const T2& in2, T3& out)
{
opengm::operateUnary(in1,out,opengm::PowFunctor<T2>(in2) );
//out.operateUnary(in1,opengm::PowFunctor<T2>(in2)) ;
//out= pow(in1, in2);
}
/// inverse hyper-operation (in-place)
template<class T1, class T2>
static void ihop(const T1& in1, T2& out)
{
opengm::operateUnary(out,opengm::PowFunctor<T1>(1.0/in1) );
//out= pow(out, in1);
}
/// inverse hyper-operation (not in-place)
template<class T1, class T2, class T3>
static void ihop(const T1& in1, const T2& in2, T3& out)
{
//out = pow(in1, 1/in2);
opengm::operateUnary(in1,out,opengm::PowFunctor<T2>(1.0/in2) );
}
};
} // namespace opengm
#endif // #ifndef OPENGM_OPERATION_MULTIPLIER_HXX
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