ConciseCasts.h
#ifndef HALIDE_CONCISE_CASTS_H
#define HALIDE_CONCISE_CASTS_H
#include "IROperator.h"
/** \file
*
* Defines concise cast and saturating cast operators to make it
* easier to read cast-heavy code. Think carefully about the
* readability implications before using these. They could make your
* code better or worse. Often it's better to add extra Funcs to your
* pipeline that do the upcasting and downcasting.
*/
namespace Halide {
namespace ConciseCasts {
inline Expr f64(Expr e) {
return cast(Float(64, e.type().lanes()), e);
}
inline Expr f32(Expr e) {
return cast(Float(32, e.type().lanes()), e);
}
inline Expr i64(Expr e) {
return cast(Int(64, e.type().lanes()), e);
}
inline Expr i32(Expr e) {
return cast(Int(32, e.type().lanes()), e);
}
inline Expr i16(Expr e) {
return cast(Int(16, e.type().lanes()), e);
}
inline Expr i8(Expr e) {
return cast(Int(8, e.type().lanes()), e);
}
inline Expr u64(Expr e) {
return cast(UInt(64, e.type().lanes()), e);
}
inline Expr u32(Expr e) {
return cast(UInt(32, e.type().lanes()), e);
}
inline Expr u16(Expr e) {
return cast(UInt(16, e.type().lanes()), e);
}
inline Expr u8(Expr e) {
return cast(UInt(8, e.type().lanes()), e);
}
inline Expr i8_sat(Expr e) {
return saturating_cast(Int(8, e.type().lanes()), e);
}
inline Expr u8_sat(Expr e) {
return saturating_cast(UInt(8, e.type().lanes()), e);
}
inline Expr i16_sat(Expr e) {
return saturating_cast(Int(16, e.type().lanes()), e);
}
inline Expr u16_sat(Expr e) {
return saturating_cast(UInt(16, e.type().lanes()), e);
}
inline Expr i32_sat(Expr e) {
return saturating_cast(Int(32, e.type().lanes()), e);
}
inline Expr u32_sat(Expr e) {
return saturating_cast(UInt(32, e.type().lanes()), e);
}
inline Expr i64_sat(Expr e) {
return saturating_cast(Int(64, e.type().lanes()), e);
}
inline Expr u64_sat(Expr e) {
return saturating_cast(UInt(64, e.type().lanes()), e);
}
}; // namespace ConciseCasts
}; // namespace Halide
#endif