00001 #include <TooN/TooN.h>
00002 using namespace TooN;
00003 using namespace std;
00004
00005 template<int R, int C, class B> void statictest(Matrix<R,C,double,B> m)
00006 {
00007 for(int i=0; i < 12; i++)
00008 (&m[0][0])[i] = i;
00009
00010 cout << m << endl;
00011
00012 cout << "Accessing rows as vectors:\n";
00013 for(int i=0; i < 3; i++)
00014 cout << "... " << m[i] << "...\n";
00015 cout << endl;
00016
00017 cout << "Slice, from [1,1], size [2,3]:\n";
00018 cout << m.template slice<1,1,2,3>() << endl;
00019
00020 cout << "Accessing rows of a slice as vectors:\n";
00021 for(int i=0; i < 2; i++)
00022 cout << "... " << m.template slice<1,1,2,3>()[i] << "...\n";
00023 cout << endl;
00024
00025
00026
00027 cout << "Slice, of the above slice from [0,0], size [2,1]:\n";
00028 cout << m.template slice<1,1,2,3>().template slice<0,0,2,1>() << endl;
00029
00030 cout << "Accessing rows of a slice of a slice as vectors:\n";
00031 for(int i=0; i < 2; i++)
00032 cout << "... " << m.template slice<1,1,2,3>().template slice<0,0,2,1>()[i] << "...\n";
00033 cout << endl;
00034 }
00035
00036 template<int R, int C, class B> void staticdynamictest(Matrix<R,C,double,B> m)
00037 {
00038 for(int i=0; i < 12; i++)
00039 (&m[0][0])[i] = i;
00040
00041 cout << m << endl;
00042
00043 cout << "Dynamic slice, from [1,1], size [2,3]:\n";
00044 cout << m.slice(1,1,2,3) << endl;
00045
00046 cout << "Accessing rows of a slice as vectors:\n";
00047 for(int i=0; i < 2; i++)
00048 cout << "... " << m.slice(1,1,2,3)[i] << "...\n";
00049 cout << endl;
00050
00051
00052 cout << "Static slice, of the above slice from [0,0], size [2,1]:\n";
00053 cout << m.slice(1,1,2,3).template slice<0,0,2,1>() << endl;
00054
00055 cout << "Accessing rows of a slice of a slice as vectors:\n";
00056 for(int i=0; i < 2; i++)
00057 cout << "... " << m.slice(1,1,2,3).template slice<0,0,2,1>()[i] << "...\n";
00058 cout << endl;
00059
00060
00061 cout << "Dynamic slice, of the above slice from [0,0], size [2,1]:\n";
00062 cout << m.slice(1,1,2,3).slice(0,0,2,1) << endl;
00063
00064 cout << "Accessing rows of a slice of a slice as vectors:\n";
00065 for(int i=0; i < 2; i++)
00066 cout << "... " << m.slice(1,1,2,3).slice(0,0,2,1)[i] << "...\n";
00067 cout << endl;
00068
00069 cout << "Dynamic slice, of static version of the above slice from [0,0], size [2,1]:\n";
00070 cout << m.template slice<1,1,2,3>().slice(0,0,2,1) << endl;
00071
00072 cout << "Accessing rows of a slice of a slice as vectors:\n";
00073 for(int i=0; i < 2; i++)
00074 cout << "... " << m.template slice<1,1,2,3>().slice(0,0,2,1)[i] << "...\n";
00075 cout << endl;
00076 }
00077
00078 int main()
00079 {
00080 cout << "-------------- STATIC MATRIX STATIC SLICE\n";
00081 statictest(Matrix<3,4>());
00082
00083 cout << "-------------- DYNAMIC MATRIX STATIC SLICE\n";
00084 statictest(Matrix<>(3,4));
00085
00086 cout << "-------------- STATIC MATRIX MIXED SLICE\n";
00087 staticdynamictest(Matrix<3,4>());
00088
00089 cout << "-------------- DYNAMIC MATRIX MIXED SLICE\n";
00090 staticdynamictest(Matrix<>(3,4));
00091 }
