/usr/include/JAGS/function/ArrayFunction.h is in jags 4.1.0-1.
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 | #ifndef ARRAY_FUNCTION_H_
#define ARRAY_FUNCTION_H_
#include <function/Function.h>
#include <string>
#include <vector>
namespace jags {
/**
* @short Matrix- or array-valued function
*
* Array-valued functions are the most general class of function. The
* arguments of an array-valued function, and the value may be a
* scalar, vector, or array.
*
*/
class ArrayFunction : public Function
{
public:
/**
* Constructor.
*/
ArrayFunction(std::string const &name, unsigned int npar);
/**
* Evaluates the function.
*
* @param value array of doubles which contains the result of
* the evaluation on exit
* @param args Vector of arguments.
* @param dims Respective dimensions of each element of args.
*/
virtual void
evaluate(double *value,
std::vector<double const *> const &args,
std::vector<std::vector<unsigned int> > const &dims) const = 0;
/**
* Checks whether dimensions of the function parameters are correct.
*
* @param dims Vector of length npar denoting the dimensions of
* the parameters, with any redundant dimensions dropped.
*/
virtual bool
checkParameterDim(std::vector<std::vector<unsigned int> > const &dims)
const = 0;
/**
* Checks whether the parameter values lie in the domain of the
* function. The default implementation returns true.
*/
virtual bool
checkParameterValue(std::vector<double const *> const &args,
std::vector<std::vector<unsigned int> > const &dims)
const;
/**
* Calculates what the dimension of the return value should be,
* based on the arguments.
*
* @param dims Vector of Indices denoting the dimensions of the
* parameters. This vector must return true when passed to
* checkParameterDim.
*
* @param values Vector of pointers to parameter values.
*/
virtual std::vector<unsigned int>
dim(std::vector <std::vector<unsigned int> > const &dims,
std::vector <double const *> const &values) const = 0;
};
} /* namespace jags */
#endif /* ARRAY_FUNCTION_H_ */
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