Algoritmo de posición solar

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// Solar Position Algorithm (SPA) //
// for //
// Solar Radiation Application //
// //
// May 12, 2003 //
// //
// Filename: SPA.C //
////
// Afshin Michael Andreas //
// afshin_andreas@nrel.gov (303)384-6383 //
// //
// Measurement & Instrumentation Team //
// Solar Radiation Research Laboratory //
// National Renewable Energy Laboratory //
// 1617 Cole Blvd, Golden, CO 80401 //
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// See the SPA.H header file for usage //
// //
// This code is based on the NREL //
// technical report "Solar Position //
// Algorithm for Solar Radiation //
// Application" by I. Reda & A. Andreas //
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//
// NOTICE
// Copyright (C) 2008 Midwest Research Institute, All Rights Reserved
//
//This computer software is code in development prepared by Midwest Research Institute,
//(hereinafter the "Contractor"), under Contract DE-AC-99G010337 (Contract) with the Department
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//
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//
///////////////////////////////////////////////////////////////////////////////////////////////

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// Revised 27-FEB-2004 Andreas
// Added bounds check on inputs and return value for spa_calculate().
// Revised...