Eclipse SUMO - Simulation of Urban MObility
StdDefs.h
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1 /****************************************************************************/
2 // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
3 // Copyright (C) 2005-2020 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 /****************************************************************************/
21 //
22 /****************************************************************************/
23 #pragma once
24 #include <string>
25 #include <cmath>
26 #include <limits>
27 
28 /* avoiding compiler warning unreferenced parameter */
29 #define UNUSED_PARAMETER(x) ((void)(x))
30 
31 #ifdef _MSC_VER
32 #define FALLTHROUGH /* do nothing */
33 #elif __GNUC__ < 7
34 #define FALLTHROUGH /* do nothing */
35 #else
36 #define FALLTHROUGH __attribute__((fallthrough))
37 #endif
38 
40 #define SUMO_MAX_CONNECTIONS 256
41 
42 class RGBColor;
43 
44 /* -------------------------------------------------------------------------
45  * some constant defaults used by SUMO
46  * ----------------------------------------------------------------------- */
47 const double SUMO_const_laneWidth = (double) 3.2;
48 const double SUMO_const_laneOffset = (double) 0;
53 const double SUMO_const_laneMarkWidth = (double) 0.1;
54 const double SUMO_const_waitingPersonWidth = 0.8;
55 const double SUMO_const_waitingPersonDepth = 0.67;
58 
60 const double SUMO_const_haltingSpeed = (double) 0.1;
61 
62 const double INVALID_DOUBLE = std::numeric_limits<double>::max();
63 
65 const double NETWORK_VERSION = 1.6;
66 
67 
68 /* -------------------------------------------------------------------------
69  * templates for mathematical functions missing in some c++-implementations
70  * ----------------------------------------------------------------------- */
71 template<typename T>
72 inline T
73 MIN2(T a, T b) {
74  return a < b ? a : b;
75 }
76 
77 template<typename T>
78 inline T
79 MAX2(T a, T b) {
80  return a > b ? a : b;
81 }
82 
83 
84 template<typename T>
85 inline T
86 MIN3(T a, T b, T c) {
87  return MIN2(c, a < b ? a : b);
88 }
89 
90 
91 template<typename T>
92 inline T
93 MAX3(T a, T b, T c) {
94  return MAX2(c, a > b ? a : b);
95 }
96 
97 
98 template<typename T>
99 inline T
100 MIN4(T a, T b, T c, T d) {
101  return MIN2(MIN2(a, b), MIN2(c, d));
102 }
103 
104 
105 template<typename T>
106 inline T
107 MAX4(T a, T b, T c, T d) {
108  return MAX2(MAX2(a, b), MAX2(c, d));
109 }
110 
111 
112 template<typename T>
113 inline T
114 ISNAN(T a) {
115  volatile T d = a;
116  return d != d;
117 }
118 
119 
121 extern int gPrecision;
122 extern int gPrecisionGeo; // for lon,lat
123 extern bool gHumanReadableTime;
124 extern bool gSimulation; // whether the current application is sumo or sumo-gui (as opposed to a router)
125 extern double gWeightsRandomFactor; // randomization for edge weights
126 
127 
129 extern bool gDebugFlag1;
130 extern bool gDebugFlag2;
131 extern bool gDebugFlag3;
132 extern bool gDebugFlag4;
133 
134 // synchronized output to stdout with << (i.e. DEBUGOUT(SIMTIME << " var=" << var << "\n")
135 #define DEBUGOUT(msg) {std::ostringstream oss; oss << msg; std::cout << oss.str();}
136 
138 double truncate(double x, int fractionBits);
139 
141 double roundBits(double x, int fractionBits);
T MIN4(T a, T b, T c, T d)
Definition: StdDefs.h:100
const double INVALID_DOUBLE
Definition: StdDefs.h:62
const double SUMO_const_laneWidth
Definition: StdDefs.h:47
const double SUMO_const_quarterLaneWidth
Definition: StdDefs.h:50
double truncate(double x, int fractionBits)
discrds mantissa bits beyond the given number
Definition: StdDefs.cpp:36
const double SUMO_const_waitingPersonDepth
Definition: StdDefs.h:55
int gPrecision
the precision for floating point outputs
Definition: StdDefs.cpp:25
T MIN3(T a, T b, T c)
Definition: StdDefs.h:86
T MIN2(T a, T b)
Definition: StdDefs.h:73
bool gDebugFlag3
Definition: StdDefs.cpp:33
T ISNAN(T a)
Definition: StdDefs.h:114
double gWeightsRandomFactor
Definition: StdDefs.cpp:29
double roundBits(double x, int fractionBits)
round to the given number of mantissa bits beyond the given number
Definition: StdDefs.cpp:40
const double SUMO_const_laneWidthAndOffset
Definition: StdDefs.h:51
const double SUMO_const_laneOffset
Definition: StdDefs.h:48
const double SUMO_const_laneMarkWidth
Definition: StdDefs.h:53
const double SUMO_const_haltingSpeed
the speed threshold at which vehicles are considered as halting
Definition: StdDefs.h:60
const double NETWORK_VERSION
version for written networks and default version for loading
Definition: StdDefs.h:65
T MAX2(T a, T b)
Definition: StdDefs.h:79
const double SUMO_const_halfLaneWidth
Definition: StdDefs.h:49
bool gSimulation
Definition: StdDefs.cpp:28
T MAX4(T a, T b, T c, T d)
Definition: StdDefs.h:107
bool gDebugFlag2
Definition: StdDefs.cpp:32
bool gHumanReadableTime
Definition: StdDefs.cpp:27
T MAX3(T a, T b, T c)
Definition: StdDefs.h:93
const double SUMO_const_waitingContainerWidth
Definition: StdDefs.h:56
const double SUMO_const_halfLaneAndOffset
Definition: StdDefs.h:52
const double SUMO_const_waitingPersonWidth
Definition: StdDefs.h:54
bool gDebugFlag4
Definition: StdDefs.cpp:34
bool gDebugFlag1
global utility flags for debugging
Definition: StdDefs.cpp:31
const double SUMO_const_waitingContainerDepth
Definition: StdDefs.h:57
int gPrecisionGeo
Definition: StdDefs.cpp:26