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https://github.com/halide/Halide
19 April 2024, 08:20:39 UTC
Revision 41704275655165d69a147a502b62fe296eb72be1 authored by Andrew Adams on 02 September 2020, 22:32:24 UTC, committed by Andrew Adams on 02 September 2020, 22:32:24 UTC 
Remove dead split
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Tip revision: 41704275655165d69a147a502b62fe296eb72be1 authored by Andrew Adams on 02 September 2020, 22:32:24 UTC
Remove dead split
Tip revision: 4170427
EmulateFloat16Math.h 
#ifndef HALIDE_EMULATE_FLOAT16_MATH_H
#define HALIDE_EMULATE_FLOAT16_MATH_H

/** \file
 * Methods for dealing with float16 arithmetic using float32 math, by
 * casting back and forth with bit tricks.
 */

#include "IR.h"

namespace Halide {
namespace Internal {

/** Check if a call is a float16 transcendental (e.g. sqrt_f16) */
bool is_float16_transcendental(const Call *);

/** Implement a float16 transcendental using the float32 equivalent. */
Expr lower_float16_transcendental_to_float32_equivalent(const Call *);

/** Cast to/from float and bfloat using bitwise math. */
//@{
Expr float32_to_bfloat16(Expr e);
Expr float32_to_float16(Expr e);
Expr float16_to_float32(Expr e);
Expr bfloat16_to_float32(Expr e);
Expr lower_float16_cast(const Cast *op);
//@}

}  // namespace Internal
}  // namespace Halide

#endif
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