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Standard C library for AVR-GCC
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libc
time
ephemera_common.h
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/*
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* (C)2012 Michael Duane Rice 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 are
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* met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer. Redistributions in binary
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* form must reproduce the above copyright notice, this list of conditions
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* and the following disclaimer in the documentation and/or other materials
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* provided with the distribution. Neither the name of the copyright holders
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* nor the names of contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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/* $Id$ */
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#ifndef EPHEMERA_PRIVATE_H
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#define EPHEMERA_PRIVATE_H
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#define TROP_YEAR 31556925
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#define ANOM_YEAR 31558433
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#define INCLINATION 0.409105176667471
/* Earths axial tilt at the epoch */
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#define PERIHELION 31316400
/* perihelion of 1999, 03 jan 13:00 UTC */
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#define SOLSTICE 836160
/* winter solstice of 1999, 22 Dec 07:44 UTC */
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#define TWO_PI 6.283185307179586
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#define TROP_CYCLE 5022440.6025
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#define ANOM_CYCLE 5022680.6082
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#define DELTA_V 0.03342044
/* 2x orbital eccentricity */
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#endif
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