| void Impala::Core::Histogram::TestEntropy::testKnownValues | ( | ) | [inline] |
Definition at line 57 of file TestEntropy.h.
References Impala::Core::Histogram::Entropy(), and ILOG_DEBUG.
00058 { 00059 int data1[1] = {1}; 00060 int data2[2] = {1, 1}; 00061 int data4[4] = {1, 1, 1, 1}; 00062 int data8[8] = {1, 1, 1, 1, 1, 1, 1, 1}; 00063 int data1234[4] = {1, 2, 3, 4}; 00064 int data13258[5] = {1, 3, 2, 5, 8}; 00065 Histogram1dTem<int> hist1(0, 1, 1, 0, data1); 00066 Histogram1dTem<int> hist2(0, 1, 2, 0, data2); 00067 Histogram1dTem<int> hist4(0, 1, 4, 0, data4); 00068 Histogram1dTem<int> hist8(0, 1, 8, 0, data8); 00069 Histogram1dTem<int> hist1234(0, 1, 4, 0, data1234); 00070 Histogram1dTem<int> hist13258(0, 1, 5, 0, data13258); 00071 CPPUNIT_ASSERT_EQUAL(0., Entropy(&hist1)); 00072 CPPUNIT_ASSERT_EQUAL(1., Entropy(&hist2)); 00073 CPPUNIT_ASSERT_EQUAL(2., Entropy(&hist4)); 00074 CPPUNIT_ASSERT_EQUAL(3., Entropy(&hist8)); 00075 ILOG_DEBUG("\n1.8464: "<< Entropy(&hist1234)); 00076 ILOG_DEBUG("\n2.0182: "<< Entropy(&hist13258)); 00077 }
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