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77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/****************************************************************************
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*
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* Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file test_conv.cpp
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* Tests conversions used across the system.
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*
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*/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <poll.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "tests.h"
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#include <math.h>
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#include <float.h>
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#include <systemlib/err.h>
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#include <unit_test/unit_test.h>
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#include <px4iofirmware/protocol.h>
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int test_conv(int argc, char *argv[])
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{
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warnx("Testing system conversions");
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for (int i = -10000; i <= 10000; i+=1) {
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float f = i/10000.0f;
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float fres = REG_TO_FLOAT(FLOAT_TO_REG(f));
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if (fabsf(f - fres) > 0.0001f) {
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warnx("conversion fail: input: %8.4f, intermediate: %d, result: %8.4f", (double)f, REG_TO_SIGNED(FLOAT_TO_REG(f)), (double)fres);
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return 1;
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}
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}
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warnx("All conversions clean");
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return 0;
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}
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