DGtal  0.9.3
testModuloComputer.cpp
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1 
30 #include <iostream>
32 #include "DGtal/base/Common.h"
33 #include "DGtal/arithmetic/ModuloComputer.h"
34 #include "DGtal/kernel/NumberTraits.h"
35 
37 
38 using namespace std;
39 using namespace DGtal;
40 
42 // Functions for testing class ModuloComputer.
44 
49 {
50  unsigned int nbok = 0;
51  unsigned int nb = 0;
52 
53  trace.beginBlock ( "Testing block ..." );
54 
55  //Construct an arithmetic modulo 15
56 
57 
58  ModuloComputer< int > modular(15);
59  typedef NumberTraits< int >::UnsignedVersion myUnsignedInteger;
60  myUnsignedInteger a;
61 
62  a = modular.cast( 2 ); //a contains the value 2
63  nbok += (a == 2) ? 1 : 0;
64  nb++;
65  trace.info() << "a= "<<a<<std::endl;
66 
67  a = modular.cast( -1 ); //a contains the value 14
68  nbok += (a== 14) ? 1 : 0;
69  nb++;
70  trace.info() << "a= "<<a<<std::endl;
71 
72  modular.increment( a ); //a contains the value 0
73  nbok += (a== 0) ? 1 : 0;
74  nb++;
75  trace.info() << "a= "<<a<<std::endl;
76 
77  nbok += true ? 1 : 0;
78  nb++;
79  trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
80  trace.endBlock();
81 
82  return nbok == nb;
83 }
84 
86 // Standard services - public :
87 
88 int main( int argc, char** argv )
89 {
90  trace.beginBlock ( "Testing class ModuloComputer" );
91  trace.info() << "Args:";
92  for ( int i = 0; i < argc; ++i )
93  trace.info() << " " << argv[ i ];
94  trace.info() << endl;
95 
96  bool res = testModuloComputer(); // && ... other tests
97  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
98  trace.endBlock();
99  return res ? 0 : 1;
100 }
101 // //
void beginBlock(const std::string &keyword="")
Trace trace
Definition: Common.h:137
STL namespace.
double endBlock()
bool testModuloComputer()
UnsignedInteger cast(IntegerParamType i) const
void increment(UnsignedInteger &i) const
std::ostream & emphase()
implements basic functions on modular arithmetic.
int main(int argc, char **argv)
DGtal is the top-level namespace which contains all DGtal functions and types.
std::ostream & info()