Vector Optimized Library of Kernels
2.4
Architecture-tuned implementations of math kernels
saturation_arithmetic.h
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/* -*- c++ -*- */
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/*
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* Copyright 2016 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_volk_saturation_arithmetic_H_
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#define INCLUDED_volk_saturation_arithmetic_H_
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#include <limits.h>
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static
inline
int16_t
sat_adds16i
(int16_t x, int16_t y)
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{
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int32_t res = (int32_t)x + (int32_t)y;
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if
(res < SHRT_MIN)
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res = SHRT_MIN;
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if
(res > SHRT_MAX)
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res = SHRT_MAX;
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return
res;
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}
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static
inline
int16_t
sat_muls16i
(int16_t x, int16_t y)
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{
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int32_t res = (int32_t)x * (int32_t)y;
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if
(res < SHRT_MIN)
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res = SHRT_MIN;
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if
(res > SHRT_MAX)
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res = SHRT_MAX;
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return
res;
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}
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#endif
/* INCLUDED_volk_saturation_arithmetic_H_ */
sat_adds16i
static int16_t sat_adds16i(int16_t x, int16_t y)
Definition:
saturation_arithmetic.h:29
sat_muls16i
static int16_t sat_muls16i(int16_t x, int16_t y)
Definition:
saturation_arithmetic.h:41
include
volk
saturation_arithmetic.h
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