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/*
* Copyright (c) 2019-2020 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "helpers.h"
#define TYPE VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
#if defined(S1_VAL) && !defined(S2_VAL)
#define S2_VAL S1_VAL
#endif // defined(S1_VAL) && !defined(S2_VAL)
#if defined(O1_VAL) && !defined(O2_VAL)
#define O2_VAL O1_VAL
#endif // defined(O1_VAL) && !defined(O2_VAL)
// RELU Activation
inline TYPE relu_op(TYPE x)
{
return max((TYPE)CONST_0, x);
}
// Bounded RELU Activation
inline TYPE brelu_op(TYPE x)
{
return min((TYPE)A_VAL, max((TYPE)CONST_0, x));
}
// Lower Upper Bounded RELU Activation
inline TYPE lu_brelu_op(TYPE x)
{
return min(max(x, (TYPE)B_VAL), (TYPE)A_VAL);
}
// Hard Swish Activation
inline TYPE hard_swish_op(TYPE x)
{
return (x * ((min(max((TYPE)(x + (TYPE)3.f), (TYPE)0.f), (TYPE)6.f)) * (TYPE)0.166666667f));
}
#define ACTIVATION_OP2(op, x) op##_op(x)
#define ACTIVATION_OP(op, x) ACTIVATION_OP2(op, x)
#if defined(S1_VAL) && defined(S2_VAL)
#if defined(O1_VAL) && defined(O2_VAL)
#define PERFORM_ACTIVATION_QUANT(act, data) \
({ \
data = ACTIVATION_OP(act, data); \
\
VEC_DATA_TYPE(float, VEC_SIZE) \
fdata = CONVERT(data, VEC_DATA_TYPE(float, VEC_SIZE)); \
\
fdata = round((fdata - (float)O1_VAL) * ((float)S1_VAL / (float)S2_VAL) + (float)O2_VAL); \
data = CONVERT_SAT(fdata, VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)); \
})
#else // defined(O1_VAL) && defined(O2_VAL)
#define PERFORM_ACTIVATION_QUANT(act, data) \
({ \
data = ACTIVATION_OP(act, data); \
\
VEC_DATA_TYPE(float, VEC_SIZE) \
fdata = CONVERT(data, VEC_DATA_TYPE(float, VEC_SIZE)); \
\
fdata = round((fdata) * ((float)S1_VAL / (float)S2_VAL)); \
data = CONVERT_SAT(fdata, VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)); \
})
#endif /* defined(O1_VAL) && defined(O2_VAL) */
#else /* defined(S1_VAL) && defined(S2_VAL) */
#define PERFORM_ACTIVATION_QUANT(act, data) \
({ \
data = ACTIVATION_OP(act, data); \
})
#endif /* defined(S1_VAL) && defined(S2_VAL) */
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