/usr/include/JAGS/function/DPQFunction.h is in jags 4.1.0-1.
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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 | #ifndef DPQ_FUNCTION_H_
#define DPQ_FUNCTION_H_
#include <function/ScalarFunction.h>
namespace jags {
class RScalarDist;
/**
* @short Functions derived from R Scalar distributions
*
* The DPQFunction class exposes member functions of the class
* RScalarDist as BUGS functions so that they can be called by the
* user. These are the density (D), cumulative probability (P),
* and quantile (Q) functions.
*
* D-P-Q functions are generated automatically when an
* RScalarFunction is inserted into the Module.
*
* @seealso Module#insert
*/
class DPQFunction : public ScalarFunction
{
RScalarDist const *_dist;
public:
DPQFunction(std::string const &name, RScalarDist const *dist);
/**
* Returns the distribution from which the function is derived
*/
RScalarDist const *dist() const;
/**
* If an RScalarDist has m parameters, then a DPQFunction
* derived from it will have (m+1) arguments. To check the
* validity of the arguments, we strip off the first one and
* then pass the rest to ScalarDist#checkParameterValue
*/
bool checkArgs(std::vector<double const *> const &args) const;
};
}
#endif /* DPQ_FUNCTION_H_ */
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