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1 : /****************************************************************************/ 2 : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo 3 : // Copyright (C) 2005-2024 German Aerospace Center (DLR) and others. 4 : // This program and the accompanying materials are made available under the 5 : // terms of the Eclipse Public License 2.0 which is available at 6 : // https://www.eclipse.org/legal/epl-2.0/ 7 : // This Source Code may also be made available under the following Secondary 8 : // Licenses when the conditions for such availability set forth in the Eclipse 9 : // Public License 2.0 are satisfied: GNU General Public License, version 2 10 : // or later which is available at 11 : // https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html 12 : // SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later 13 : /****************************************************************************/ 14 : /// @file StdDefs.h 15 : /// @author Daniel Krajzewicz 16 : /// @author Laura Bieker 17 : /// @author Michael Behrisch 18 : /// @author Jakob Erdmann 19 : /// @date Fri, 29.04.2005 20 : /// 21 : // 22 : /****************************************************************************/ 23 : #pragma once 24 : #include <config.h> 25 : #include <string> 26 : #include <cmath> 27 : #include <limits> 28 : 29 : /* avoiding compiler warning unreferenced parameter */ 30 : #define UNUSED_PARAMETER(x) ((void)(x)) 31 : 32 : #ifdef _MSC_VER 33 : #define FALLTHROUGH /* do nothing */ 34 : #elif __GNUC__ < 7 35 : #define FALLTHROUGH /* do nothing */ 36 : #else 37 : #define FALLTHROUGH __attribute__((fallthrough)) 38 : #endif 39 : 40 : /// @brief the maximum number of connections across an intersection 41 : #define SUMO_MAX_CONNECTIONS 256 42 : 43 : class RGBColor; 44 : 45 : /* ------------------------------------------------------------------------- 46 : * some constant defaults used by SUMO 47 : * ----------------------------------------------------------------------- */ 48 : const double SUMO_const_laneWidth = 3.2; 49 : const double SUMO_const_halfLaneWidth = SUMO_const_laneWidth / 2; 50 : const double SUMO_const_quarterLaneWidth = SUMO_const_laneWidth / 4; 51 : const double SUMO_const_laneMarkWidth = 0.1; 52 : const double SUMO_const_waitingPersonWidth = 0.8; 53 : const double SUMO_const_waitingPersonDepth = 0.67; 54 : const double SUMO_const_waitingContainerWidth = 2.5; 55 : const double SUMO_const_waitingContainerDepth = 6.2; 56 : 57 : /// @brief the speed threshold at which vehicles are considered as halting 58 : const double SUMO_const_haltingSpeed = (double) 0.1; 59 : 60 : /// @brief invalid int 61 : const int INVALID_INT = std::numeric_limits<int>::max(); 62 : 63 : /// @brief invalid double 64 : const double INVALID_DOUBLE = std::numeric_limits<double>::max(); 65 : 66 : /// @brief (M)ajor/(M)inor version for written networks and default version for loading 67 : typedef std::pair<int, double> MMVersion; 68 : const MMVersion NETWORK_VERSION(1, 20); 69 : 70 : /* ------------------------------------------------------------------------- 71 : * templates for mathematical functions missing in some c++-implementations 72 : * ----------------------------------------------------------------------- */ 73 : 74 : template<typename T> 75 : inline T 76 : MIN2(T a, T b) { 77 77677198239 : return a < b ? a : b; 78 : } 79 : 80 : template<typename T> 81 : inline T 82 : MAX2(T a, T b) { 83 54506430126 : return a > b ? a : b; 84 : } 85 : 86 : 87 : template<typename T> 88 : inline T 89 : MIN3(T a, T b, T c) { 90 851337188 : return MIN2(c, a < b ? a : b); 91 : } 92 : 93 : 94 : template<typename T> 95 : inline T 96 : MAX3(T a, T b, T c) { 97 1031958313 : return MAX2(c, a > b ? a : b); 98 : } 99 : 100 : 101 : template<typename T> 102 : inline T 103 : MIN4(T a, T b, T c, T d) { 104 : return MIN2(MIN2(a, b), MIN2(c, d)); 105 : } 106 : 107 : 108 : template<typename T> 109 : inline T 110 : MAX4(T a, T b, T c, T d) { 111 : return MAX2(MAX2(a, b), MAX2(c, d)); 112 : } 113 : 114 : 115 : /// the precision for floating point outputs 116 : extern int gPrecision; 117 : extern int gPrecisionGeo; // for lon,lat 118 : extern int gPrecisionRandom; // for randomized values (i.e. speedFactor) 119 : extern bool gHumanReadableTime; 120 : extern bool gSimulation; // whether the current application is sumo or sumo-gui (as opposed to a router) 121 : extern double gWeightsRandomFactor; // randomization for edge weights 122 : extern double gWeightsWalkOppositeFactor; // factor for walking against flow of traffic 123 : 124 : /// the language for GUI elements and messages 125 : extern std::string gLanguage; 126 : 127 : 128 : /// @brief global utility flags for debugging 129 : extern bool gDebugFlag1; 130 : extern bool gDebugFlag2; 131 : extern bool gDebugFlag3; 132 : extern bool gDebugFlag4; 133 : extern bool gDebugFlag5; 134 : extern bool gDebugFlag6; 135 : 136 : // synchronized output to stdout with << (i.e. DEBUGOUT(gDebugFlag1, SIMTIME << " var=" << var << "\n") 137 : #define DEBUGOUT(cond, msg) if (cond) {std::ostringstream oss; oss << msg; std::cout << oss.str();} 138 : 139 : /// @brief discrds mantissa bits beyond the given number 140 : double truncate(double x, int fractionBits); 141 : 142 : /// @brief round to the given number of mantissa bits beyond the given number 143 : double roundBits(double x, int fractionBits); 144 : 145 : /// @brief round to the given number of decimal digits 146 : double roundDecimal(double x, int precision); 147 : 148 : /** @brief Returns the number of instances of the current object that shall be emitted 149 : * given the number of loaded objects 150 : * considering that "frac" of all objects shall be emitted overall 151 : * @return the number of objects to create (something between 0 and ceil(frac)) 152 : */ 153 : int getScalingQuota(double frac, int loaded);
