Eclipse SUMO - Simulation of Urban MObility
StdDefs.cpp
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2 // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
3 // Copyright (C) 2014-2022 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
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9 // Public License 2.0 are satisfied: GNU General Public License, version 2
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12 // SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
13 /****************************************************************************/
20 /****************************************************************************/
21 #include "StdDefs.h"
22 
23 
24 // set by option --precision (see SystemFrame.cpp)
25 int gPrecision = 2;
26 int gPrecisionGeo = 6;
27 bool gHumanReadableTime = false;
28 bool gSimulation = false;
31 
32 bool gDebugFlag1 = false;
33 bool gDebugFlag2 = false;
34 bool gDebugFlag3 = false;
35 bool gDebugFlag4 = false;
36 bool gDebugFlag5 = false;
37 
38 double truncate(double x, int fractionBits) {
39  return ceil(x * (1 << fractionBits)) / (1 << fractionBits);
40 }
41 
42 double roundBits(double x, int fractionBits) {
43  const double x2 = x * (1 << fractionBits);
44  const double rounded = x2 < 0 ? ceil(x2 - 0.5) : floor(x2 + 0.5);
45  return rounded / (1 << fractionBits);
46 }
47 
48 
49 int
50 getScalingQuota(double frac, int loaded) {
51  if (frac < 0 || frac == 1.) {
52  return 1;
53  }
54  const int base = (int)frac;
55  const int resolution = 1000;
56  const int intFrac = (int)floor((frac - base) * resolution + 0.5);
57  // apply % twice to avoid integer overflow
58  if (((loaded % resolution) * intFrac) % resolution < intFrac) {
59  return base + 1;
60  }
61  return base;
62 }
63 
64 /****************************************************************************/
int getScalingQuota(double frac, int loaded)
Returns the number of instances of the current object that shall be emitted given the number of loade...
Definition: StdDefs.cpp:50
double truncate(double x, int fractionBits)
discrds mantissa bits beyond the given number
Definition: StdDefs.cpp:38
int gPrecision
the precision for floating point outputs
Definition: StdDefs.cpp:25
bool gDebugFlag3
Definition: StdDefs.cpp:34
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:42
double gWeightsWalkOppositeFactor
Definition: StdDefs.cpp:30
bool gDebugFlag5
Definition: StdDefs.cpp:36
bool gSimulation
Definition: StdDefs.cpp:28
bool gDebugFlag2
Definition: StdDefs.cpp:33
bool gHumanReadableTime
Definition: StdDefs.cpp:27
bool gDebugFlag4
Definition: StdDefs.cpp:35
bool gDebugFlag1
global utility flags for debugging
Definition: StdDefs.cpp:32
int gPrecisionGeo
Definition: StdDefs.cpp:26