DGtal  0.9.3
Functions
testStandardDSLQ0-reversedSmartDSS-benchmark.cpp File Reference
#include <cstdlib>
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/kernel/CPointPredicate.h"
#include "DGtal/arithmetic/IntegerComputer.h"
#include "DGtal/arithmetic/SternBrocot.h"
#include "DGtal/arithmetic/Pattern.h"
#include "DGtal/arithmetic/StandardDSLQ0.h"
Include dependency graph for testStandardDSLQ0-reversedSmartDSS-benchmark.cpp:

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Functions

template<typename DSL >
bool checkSubStandardDSLQ0 (const DSL &D, const typename DSL::Point &A, const typename DSL::Point &B)
 
template<typename Fraction >
bool testSubStandardDSLQ0 (unsigned int nbtries, typename Fraction::Integer moda, typename Fraction::Integer modb, typename Fraction::Integer modx)
 
int main (int argc, char **argv)
 

Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 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, see http://www.gnu.org/licenses/.

Author
Jacques-Olivier Lachaud (jacqu.nosp@m.es-o.nosp@m.livie.nosp@m.r.la.nosp@m.chaud.nosp@m.@uni.nosp@m.v-sav.nosp@m.oie..nosp@m.fr ) Laboratory of Mathematics (CNRS, UMR 5127), University of Savoie, France
Date
2012/03/05

Functions for testing class SternBrocot.

This file is part of the DGtal library.

Definition in file testStandardDSLQ0-reversedSmartDSS-benchmark.cpp.

Function Documentation

◆ checkSubStandardDSLQ0()

template<typename DSL >
bool checkSubStandardDSLQ0 ( const DSL &  D,
const typename DSL::Point A,
const typename DSL::Point B 
)

Definition at line 49 of file testStandardDSLQ0-reversedSmartDSS-benchmark.cpp.

52 {
53  DSL S = D.reversedSmartDSS( A, B );
54  // std::cout << D.a() << " " << D.b() << " " << D.mu() << " "
55  // << S.a() << " " << S.b() << " " << S.mu() << " "
56  // << A[0] << " " << A[1] << " " << B[0] << " " << B[1]
57  // << std::endl;
58  return true;
59 }

◆ main()

int main ( int  argc,
char **  argv 
)

Definition at line 122 of file testStandardDSLQ0-reversedSmartDSS-benchmark.cpp.

123 {
125  typedef SB::Fraction Fraction;
126  typedef Fraction::Integer Integer;
127  unsigned int nbtries = ( argc > 1 ) ? atoi( argv[ 1 ] ) : 10000;
128  Integer moda = ( argc > 2 ) ? atoll( argv[ 2 ] ) : 1000000000000;
129  Integer modb = ( argc > 3 ) ? atoll( argv[ 3 ] ) : 1000000000000;
130  Integer modx = ( argc > 4 ) ? atoll( argv[ 4 ] ) : 1000;
131  testSubStandardDSLQ0<Fraction>( nbtries, moda, modb, modx );
132  return true;
133 }
DGtal::int32_t Integer
Definition: StdDefs.h:74
Aim: The Stern-Brocot tree is the tree of irreducible fractions. This class allows to construct it pr...
Definition: SternBrocot.h:77

◆ testSubStandardDSLQ0()

template<typename Fraction >
bool testSubStandardDSLQ0 ( unsigned int  nbtries,
typename Fraction::Integer  moda,
typename Fraction::Integer  modb,
typename Fraction::Integer  modx 
)

Definition at line 62 of file testStandardDSLQ0-reversedSmartDSS-benchmark.cpp.

References DGtal::IntegerComputer< TInteger >::gcd().

66 {
67  typedef StandardDSLQ0<Fraction> DSL;
68  typedef typename Fraction::Integer Integer;
69  typedef typename DSL::Point Point;
71 
72 
73 
74  std::cout << "# a b mu a1 b1 mu1 Ax Ay Bx By" << std::endl;
75 
76 
77  clock_t timeBegin, timeEnd;
78  timeBegin = clock();
79 
80 
81  for ( unsigned int i = 0; i < nbtries; ++i )
82  {
83  //Integer a( rand() % moda + 1 );
84  //Integer b( rand() % modb + 1 );
85 
86  Integer b( rand() % modb + 1 );
87  Integer a( rand() % b + 1 );
88 
89 
90  if ( ic.gcd( a, b ) == 1 )
91  {
92  for ( int j = 0; j < 5; ++j )
93  {
94  Integer mu = rand() % (moda+modb);
95  DSL D( a, b, mu );
96  for ( Integer x = 0; x < 10; ++x )
97  {
98  Integer x1 = rand() % modx;
99  Integer x2 = x1 + 1 + ( rand() % modx );
100  Point A = D.lowestY( x1 );
101  Point B = D.lowestY( x2 );
102  checkSubStandardDSLQ0<DSL>( D, A, B );
103  }
104  }
105  }
106  }
107 
108  timeEnd = clock();
109  long double CPUTime;
110  CPUTime = ((double)timeEnd-(double)timeBegin)/((double)CLOCKS_PER_SEC);
111 
112  std::cout << " " << (long double) CPUTime/(nbtries*5*10);
113 
114 
115  return true;
116 }
DGtal::int32_t Integer
Definition: StdDefs.h:74
Aim: Represents a digital straight line with slope in the first quadrant (Q0: x >= 0...
Definition: StandardDSLQ0.h:79
MyPointD Point
Definition: testClone2.cpp:383
Integer gcd(IntegerParamType a, IntegerParamType b) const