From 80b64039559418385bb72d08f3dbdd2263cbf6c6 Mon Sep 17 00:00:00 2001 From: curt Date: Mon, 1 Feb 1999 21:14:10 +0000 Subject: [PATCH] Converted to C++ style comments. --- fg_constants.h | 294 +++++++++++++++++++++++++------------------------ 1 file changed, 151 insertions(+), 143 deletions(-) diff --git a/fg_constants.h b/fg_constants.h index 8dcf18d98..ee9001ce0 100644 --- a/fg_constants.h +++ b/fg_constants.h @@ -1,31 +1,36 @@ -/************************************************************************** - * constants.h -- various constant definitions - * - * Written by Curtis Olson, started July 1997. - * - * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * $Id$ - * (Log is kept at end of this file) - **************************************************************************/ - - -#ifndef _FG_CONSTANTS_H -#define _FG_CONSTANTS_H +// fg_constants.hxx -- various constant definitions +// +// Written by Curtis Olson, started July 1997. +// +// Copyright (C) 1997 Curtis L. Olson - curt@flightgear.org +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 2 of the +// License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +// +// $Id$ +// (Log is kept at end of this file) + + +#ifndef _FG_CONSTANTS_HXX +#define _FG_CONSTANTS_HXX + + +/* +#ifndef __cplusplus +# error This library requires C++ +#endif +*/ #ifdef HAVE_CONFIG_H @@ -44,7 +49,7 @@ # include #endif -/* This should be defined via autoconf in configure.in */ +// This should be defined via autoconf in configure.in #ifndef VERSION #define VERSION "\"not defined\"" #endif @@ -76,169 +81,172 @@ # define M_E 2.7182818284590452354 #endif -/* ONE_SECOND is pi/180/60/60, or about 100 feet at earths' equator */ +// ONE_SECOND is pi/180/60/60, or about 100 feet at earths' equator #define ONE_SECOND 4.848136811E-6 -/* Radius of Earth in kilometers at the equator. Another source had - * 6378.165 but this is probably close enough */ +// Radius of Earth in kilometers at the equator. Another source had +// 6378.165 but this is probably close enough #define EARTH_RAD 6378.155 -/* Earth parameters for WGS 84, taken from LaRCsim/ls_constants.h */ +// Earth parameters for WGS 84, taken from LaRCsim/ls_constants.h -/* Value of earth radius from [8] */ -#define EQUATORIAL_RADIUS_FT 20925650. /* ft */ -#define EQUATORIAL_RADIUS_M 6378138.12 /* meter */ -/* Radius squared */ -#define RESQ_FT 437882827922500. /* ft */ -#define RESQ_M 40680645877797.1344 /* meter */ +// Value of earth radius from [8] +#define EQUATORIAL_RADIUS_FT 20925650. // ft +#define EQUATORIAL_RADIUS_M 6378138.12 // meter +// Radius squared +#define RESQ_FT 437882827922500. // ft +#define RESQ_M 40680645877797.1344 // meter -/* Value of earth flattening parameter from ref [8] - * - * Note: FP = f - * E = 1-f - * EPS = sqrt(1-(1-f)^2) - */ +// Value of earth flattening parameter from ref [8] +// +// Note: FP = f +// E = 1-f +// EPS = sqrt(1-(1-f)^2) +// #define FP 0.003352813178 #define E 0.996647186 #define EPS 0.081819221 #define INVG 0.031080997 -/* Time Related Parameters */ +// Time Related Parameters #define MJD0 2415020.0 #define J2000 (2451545.0 - MJD0) #define SIDRATE .9972695677 -/* Conversions */ +// Conversions -/* Degrees to Radians */ -#define DEG_TO_RAD 0.017453292 /* deg*pi/180 = rad */ +// Degrees to Radians +#define DEG_TO_RAD 0.017453292 // deg*pi/180 = rad -/* Radians to Degrees */ -#define RAD_TO_DEG 57.29577951 /* rad*180/pi = deg */ +// Radians to Degrees +#define RAD_TO_DEG 57.29577951 // rad*180/pi = deg -/* Arc seconds to radians */ /* (arcsec*pi)/(3600*180) = rad */ +// Arc seconds to radians // (arcsec*pi)/(3600*180) = rad #define ARCSEC_TO_RAD 4.84813681109535993589e-06 -/* Radians to arc seconds */ /* (rad*3600*180)/pi = arcsec */ +// Radians to arc seconds // (rad*3600*180)/pi = arcsec #define RAD_TO_ARCSEC 206264.806247096355156 -/* Feet to Meters */ +// Feet to Meters #define FEET_TO_METER 0.3048 -/* Meters to Feet */ +// Meters to Feet #define METER_TO_FEET 3.28083989501312335958 -/* Meters to Nautical Miles, 1 nm = 6076.11549 feet */ +// Meters to Nautical Miles, 1 nm = 6076.11549 feet #define METER_TO_NM 0.00053995680 -/* Nautical Miles to Meters */ +// Nautical Miles to Meters #define NM_TO_METER 1852.0000 -/* Radians to Nautical Miles, 1 nm = 1/60 of a degree */ +// Radians to Nautical Miles, 1 nm = 1/60 of a degree #define NM_TO_RAD 0.00029088820866572159 -/* Nautical Miles to Radians */ +// Nautical Miles to Radians #define RAD_TO_NM 3437.7467707849392526 -/* For divide by zero avoidance, this will be close enough to zero */ +// For divide by zero avoidance, this will be close enough to zero #define FG_EPSILON 0.0000001 -/* Timing constants for Flight Model updates */ +// Timing constants for Flight Model updates #define DEFAULT_TIMER_HZ 20 #define DEFAULT_MULTILOOP 6 #define DEFAULT_MODEL_HZ (DEFAULT_TIMER_HZ * DEFAULT_MULTILOOP) -/* Field of view limits */ +// Field of view limits #define FG_FOV_MIN 0.1 #define FG_FOV_MAX 179.9 -#endif /* _FG_CONSTANTS_H */ +#endif // _FG_CONSTANTS_HXX + + +// $Log$ +// Revision 1.11 1999/02/01 21:14:10 curt +// Converted to C++ style comments. +// +// Revision 1.10 1999/01/27 04:45:19 curt +// Tweak for solaris. +// +// Revision 1.9 1998/08/24 20:02:35 curt +// Added ONE_SECOND (in radians) +// +// Revision 1.8 1998/07/12 03:07:13 curt +// Added #ifdef HAVE_CONFIG_H ... +// +// Revision 1.7 1998/07/08 14:36:29 curt +// Changed name of EQUATORIAL_RADIUS_KM and RESQ_KM to "M" since they were +// in meters anyways. +// +// Unified fgCartesianPoint3d and fgPolarPoint3d in a single struct called +// fgPoint3d. +// +// Revision 1.6 1998/07/03 14:36:11 curt +// Added conversion constants to fg_constants.h to assist with converting +// between various world units and coordinate systems. +// Added gl vendor/renderer/version info to general structure. Initialized +// in fg_init.cxx +// +// Revision 1.5 1998/05/17 16:56:47 curt +// Re-organized PI related constants. +// +// Revision 1.4 1998/05/16 13:03:10 curt +// Defined field of view max/min limits. +// +// Revision 1.3 1998/04/08 23:35:32 curt +// Tweaks to Gnu automake/autoconf system. +// +// Revision 1.2 1998/03/23 21:18:37 curt +// Made FG_EPSILON smaller. +// +// Revision 1.1 1998/01/27 00:46:50 curt +// prepended "fg_" on the front of these to avoid potential conflicts with +// system include files. +// +// Revision 1.3 1998/01/22 02:59:35 curt +// Changed #ifdef FILE_H to #ifdef _FILE_H +// +// Revision 1.2 1998/01/07 03:31:26 curt +// Miscellaneous tweaks. +// +// Revision 1.1 1997/12/15 21:02:15 curt +// Moved to .../FlightGear/Src/Include/ +// +// Revision 1.10 1997/09/13 01:59:45 curt +// Mostly working on stars and generating sidereal time for accurate star +// placement. +// +// Revision 1.9 1997/08/22 21:34:32 curt +// Doing a bit of reorganizing and house cleaning. +// +// Revision 1.8 1997/07/31 22:52:22 curt +// Working on redoing internal coordinate systems & scenery transformations. +// +// Revision 1.7 1997/07/23 21:52:10 curt +// Put comments around the text after an #endif for increased portability. +// +// Revision 1.6 1997/07/21 14:45:01 curt +// Minor tweaks. +// +// Revision 1.5 1997/07/19 23:04:46 curt +// Added an initial weather section. +// +// Revision 1.4 1997/07/19 22:37:03 curt +// Added various PI definitions. +// +// Revision 1.3 1997/07/14 16:26:03 curt +// Testing/playing -- placed objects randomly across the entire terrain. +// +// Revision 1.2 1997/07/08 18:20:11 curt +// Working on establishing a hard ground. +// +// Revision 1.1 1997/07/07 21:02:36 curt +// Initial revision. - -/* $Log$ -/* Revision 1.10 1999/01/27 04:45:19 curt -/* Tweak for solaris. -/* - * Revision 1.9 1998/08/24 20:02:35 curt - * Added ONE_SECOND (in radians) - * - * Revision 1.8 1998/07/12 03:07:13 curt - * Added #ifdef HAVE_CONFIG_H ... - * - * Revision 1.7 1998/07/08 14:36:29 curt - * Changed name of EQUATORIAL_RADIUS_KM and RESQ_KM to "M" since they were - * in meters anyways. - * - * Unified fgCartesianPoint3d and fgPolarPoint3d in a single struct called - * fgPoint3d. - * - * Revision 1.6 1998/07/03 14:36:11 curt - * Added conversion constants to fg_constants.h to assist with converting - * between various world units and coordinate systems. - * Added gl vendor/renderer/version info to general structure. Initialized - * in fg_init.cxx - * - * Revision 1.5 1998/05/17 16:56:47 curt - * Re-organized PI related constants. - * - * Revision 1.4 1998/05/16 13:03:10 curt - * Defined field of view max/min limits. - * - * Revision 1.3 1998/04/08 23:35:32 curt - * Tweaks to Gnu automake/autoconf system. - * - * Revision 1.2 1998/03/23 21:18:37 curt - * Made FG_EPSILON smaller. - * - * Revision 1.1 1998/01/27 00:46:50 curt - * prepended "fg_" on the front of these to avoid potential conflicts with - * system include files. - * - * Revision 1.3 1998/01/22 02:59:35 curt - * Changed #ifdef FILE_H to #ifdef _FILE_H - * - * Revision 1.2 1998/01/07 03:31:26 curt - * Miscellaneous tweaks. - * - * Revision 1.1 1997/12/15 21:02:15 curt - * Moved to .../FlightGear/Src/Include/ - * - * Revision 1.10 1997/09/13 01:59:45 curt - * Mostly working on stars and generating sidereal time for accurate star - * placement. - * - * Revision 1.9 1997/08/22 21:34:32 curt - * Doing a bit of reorganizing and house cleaning. - * - * Revision 1.8 1997/07/31 22:52:22 curt - * Working on redoing internal coordinate systems & scenery transformations. - * - * Revision 1.7 1997/07/23 21:52:10 curt - * Put comments around the text after an #endif for increased portability. - * - * Revision 1.6 1997/07/21 14:45:01 curt - * Minor tweaks. - * - * Revision 1.5 1997/07/19 23:04:46 curt - * Added an initial weather section. - * - * Revision 1.4 1997/07/19 22:37:03 curt - * Added various PI definitions. - * - * Revision 1.3 1997/07/14 16:26:03 curt - * Testing/playing -- placed objects randomly across the entire terrain. - * - * Revision 1.2 1997/07/08 18:20:11 curt - * Working on establishing a hard ground. - * - * Revision 1.1 1997/07/07 21:02:36 curt - * Initial revision. - * */ -- 2.39.5