#ifndef HALIDE_RANDOM_H
#define HALIDE_RANDOM_H
/** \file
*
* Defines deterministic random functions, and methods to redirect
* front-end calls to random_float and random_int to use them. */
#include "IR.h"
namespace Halide {
namespace Internal {
/** Return a random floating-point number between zero and one that
* varies deterministically based on the input expressions. */
Expr random_float(const std::vector<Expr> &);
/** Return a random unsigned integer between zero and 2^32-1 that
* varies deterministically based on the input expressions (which must
* be integers or unsigned integers). */
Expr random_int(const std::vector<Expr> &);
/** Convert calls to random() to IR generated by random_float and
* random_int. Tags all calls with the variables in free_vars, and the
* integer given as the last argument. */
Expr lower_random(Expr e, const std::vector<std::string> &free_vars, int tag);
}
}
#endif