Halide 22.0.0 Halide compiler and libraries

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EmulateFloat16Math.h
Go to the documentation of this file.
1#ifndef HALIDE_EMULATE_FLOAT16_MATH_H
2#define HALIDE_EMULATE_FLOAT16_MATH_H
3
4/** \file
5 * Methods for dealing with float16 arithmetic using float32 math, by
6 * casting back and forth with bit tricks.
7 */
8
9#include "IR.h"
10
11 namespace Halide {
12 namespace Internal {
13
14/** Check if a call is a float16 transcendental (e.g. sqrt_f16) */
15 bool is_float16_transcendental(const Call *);
16
17/** Implement a float16 transcendental using the float32 equivalent. */
18 Expr lower_float16_transcendental_to_float32_equivalent(const Call *);
19
20/** Cast to/from float and bfloat using bitwise math. */
21//@{
22 Expr float_to_bfloat16(Expr e);
23 Expr float_to_float16(Expr e);
24 Expr float16_to_float32(Expr e);
25 Expr bfloat16_to_float32(Expr e);
26 Expr lower_float16_cast(const Cast *op);
27//@}
28
29} // namespace Internal
30} // namespace Halide
31
32#endif
IR.h
Subtypes for Halide expressions (Halide::Expr) and statements (Halide::Internal::Stmt)
Halide::Internal::float16_to_float32
Expr float16_to_float32(Expr e)
Halide::Internal::lower_float16_transcendental_to_float32_equivalent
Expr lower_float16_transcendental_to_float32_equivalent(const Call *)
Implement a float16 transcendental using the float32 equivalent.
Halide::Internal::lower_float16_cast
Expr lower_float16_cast(const Cast *op)
Halide::Internal::is_float16_transcendental
bool is_float16_transcendental(const Call *)
Check if a call is a float16 transcendental (e.g.
Halide::Internal::float_to_bfloat16
Expr float_to_bfloat16(Expr e)
Cast to/from float and bfloat using bitwise math.
Halide::Internal::bfloat16_to_float32
Expr bfloat16_to_float32(Expr e)
Halide::Internal::float_to_float16
Expr float_to_float16(Expr e)
Halide
This file defines the class FunctionDAG, which is our representation of a Halide pipeline,...
Definition AbstractGenerator.h:19
Halide::LinkageType::Internal
@ Internal
Not visible externally, similar to 'static' linkage in C.
Halide::Expr
A fragment of Halide syntax.
Definition Expr.h:258
Halide::Internal::Call
A function call.
Definition IR.h:500
Halide::Internal::Cast
The actual IR nodes begin here.
Definition IR.h:40