Lerp.h
#ifndef HALIDE_LERP_H
#define HALIDE_LERP_H
/** \file
* Defines methods for converting a lerp intrinsic into Halide IR.
*/
#include "Expr.h"
namespace Halide {
struct Target;
namespace Internal {
/** Build Halide IR that computes a lerp. Use by codegen targets that don't have
* a native lerp. The lerp is done in the type of the zero value. The final_type
* is a cast that should occur after the lerp. It's included because in some
* cases you can incorporate a final cast into the lerp math. */
Expr lower_lerp(Type final_type, Expr zero_val, Expr one_val, const Expr &weight, const Target &target);
} // namespace Internal
} // namespace Halide
#endif