Revision b543bb66a157f4632524652d6f6c20e71c81ccde authored by Dillon Sharlet on 16 February 2021, 09:09:56 UTC, committed by Dillon Sharlet on 16 February 2021, 09:50:13 UTC
1 parent 6cd6601
common.h
// A collection of utility functions shared by the halide generators.
#ifndef COMMON_HALIDE_H_
#define COMMON_HALIDE_H_
#include <Halide.h>
// This function implements the same computation as the ARMv7 NEON VQRDMULH
// instruction.
Halide::Expr saturating_rounding_doubling_high_multiply(Halide::Expr a, Halide::Expr b);
// Correctly-rounded-to-nearest division by a power-of-two. Also known as
// rounding arithmetic right shift.
Halide::Expr rounding_shift_right(Halide::Expr x, Halide::Expr shift);
// Performs right shift and multiply by a multiplier.
Halide::Expr multiply_quantized_multiplier(
Halide::Expr x, Halide::Expr quantized_multiplier, Halide::Expr shift);
#endif
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