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mosesdecoder/moses/FeatureVectorTest.cpp
Hieu Hoang 6249432407 beautify
2013-05-29 18:16:15 +01:00

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/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2010- University of Edinburgh
This library 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 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#include <boost/test/unit_test.hpp>
#include "FeatureVector.h"
using namespace Moses;
using namespace std;
static const float TOL = 0.00001;
BOOST_AUTO_TEST_SUITE(fv)
BOOST_AUTO_TEST_CASE(vector_sum_diff)
{
FVector f1,f2,f3;
FName n1("a");
FName n2("b");
FName n3("c");
FName n4("d");
f1[n1] = 1.2;
f1[n2] = 1.4;
f1[n3] = -0.1;
f2[n1] = 0.01;
f2[n3] = 5.6;
f2[n4] = 0.6;
f3[n1] =1.2;
FVector sum = f1 + f2;
FVector diff = f1 - f2;
BOOST_CHECK_CLOSE((FValue)sum[n1], 1.21, TOL);
BOOST_CHECK_CLOSE((FValue)sum[n2], 1.4, TOL);
BOOST_CHECK_CLOSE((FValue)sum[n3], 5.5, TOL);
BOOST_CHECK_CLOSE((FValue)sum[n4], 0.6, TOL);
BOOST_CHECK_CLOSE((FValue)diff[n1], 1.19, TOL);
BOOST_CHECK_CLOSE((FValue)diff[n2], 1.4, TOL);
BOOST_CHECK_CLOSE((FValue)diff[n3], -5.7, TOL);
BOOST_CHECK_CLOSE((FValue)diff[n4], -0.6, TOL);
f1 -= f3;
cerr << f1 << endl << f3 << endl ;
BOOST_CHECK_CLOSE((FValue)f1[n1],0,TOL);
}
BOOST_AUTO_TEST_CASE(scalar)
{
FVector f1,f2;
FName n1("a");
FName n2("b");
FName n3("c");
FName n4("d");
f1[n1] = 0.2;
f1[n2] = 9.178;
f1[n3] = -0.1;
f2[n1] = 0.01;
f2[n3] = 5.6;
f2[n4] = 0.6;
FVector prod1 = f1 * 2;
FVector prod2 = f1 * -0.1;
FVector quot = f2 / 2;
BOOST_CHECK_CLOSE((FValue)prod1[n1], 0.4, TOL);
BOOST_CHECK_CLOSE((FValue)prod1[n2], 18.356, TOL);
BOOST_CHECK_CLOSE((FValue)prod1[n3], -0.2, TOL);
BOOST_CHECK_CLOSE((FValue)prod2[n1], -0.02, TOL);
BOOST_CHECK_CLOSE((FValue)prod2[n2], -0.9178, TOL);
BOOST_CHECK_CLOSE((FValue)prod2[n3], 0.01, TOL);
BOOST_CHECK_CLOSE((FValue)quot[n1], 0.005, TOL);
BOOST_CHECK_CLOSE((FValue)quot[n2], 0, TOL);
BOOST_CHECK_CLOSE((FValue)quot[n3], 2.8, TOL);
BOOST_CHECK_CLOSE((FValue)quot[n4], 0.3, TOL);
}
BOOST_AUTO_TEST_CASE(inc)
{
FVector f1;
FName n1("a");
FName n2("b");
f1[n1] = 2.3;
f1[n2] = -0.4;
f1[n1]+=2;
BOOST_CHECK_CLOSE((FValue)f1[n1], 4.3, TOL);
BOOST_CHECK_CLOSE((FValue)f1[n2], -0.4, TOL);
FValue res = ++f1[n2];
BOOST_CHECK_CLOSE(res,0.6, TOL);
BOOST_CHECK_CLOSE((FValue)f1[n1], 4.3, TOL);
BOOST_CHECK_CLOSE((FValue)f1[n2], 0.6, TOL);
}
BOOST_AUTO_TEST_CASE(vector_mult)
{
FVector f1,f2;
FName n1("a");
FName n2("b");
FName n3("c");
FName n4("d");
f1[n1] = 0.2;
f1[n2] = 9.178;
f1[n3] = -0.1;
f2[n1] = 0.01;
f2[n2] = 5.6;
f2[n3] = 1;
f2[n4] = 0.6;
FVector prod = f1 * f2;
FVector quot = f1/f2;
BOOST_CHECK_CLOSE((FValue)prod[n1], 0.002, TOL);
BOOST_CHECK_CLOSE((FValue)prod[n2], 51.3968, TOL);
BOOST_CHECK_CLOSE((FValue)prod[n3], -0.1, TOL);
BOOST_CHECK_CLOSE((FValue)prod[n4], 0, TOL);
BOOST_CHECK_CLOSE((FValue)quot[n1], 20, TOL);
BOOST_CHECK_CLOSE((FValue)quot[n2], 1.63892865, TOL);
BOOST_CHECK_CLOSE((FValue)quot[n3], -0.1, TOL);
BOOST_CHECK_CLOSE((FValue)quot[n4], 0, TOL);
}
BOOST_AUTO_TEST_CASE(core)
{
FVector f1(2);
f1[0] = 1.3;
f1[1] = -1.9;
BOOST_CHECK_CLOSE(f1[0],1.3,TOL);
BOOST_CHECK_CLOSE(f1[1],-1.9,TOL);
f1[1] = 0.1;
BOOST_CHECK_CLOSE(f1[1],0.1,TOL);
BOOST_CHECK_EQUAL(f1.size(),2);
f1[FName("a")] = 1.2;
BOOST_CHECK_EQUAL(f1.size(),3);
}
BOOST_AUTO_TEST_CASE(core_arith)
{
FVector f1(2);
FVector f2(2);
FName n1("a");
FName n2("b");
f1[0] = 1.1;
f1[1] = 0.25;
f1[n1] = 3.6;
f1[n2] = -1.5;
f2[0] = 0.5;
f2[1] = -0.1;
f2[n1] = 1;
//vector ops
FVector sum = f1+f2;
FVector diff = f1-f2;
FVector prod = f1*f2;
FVector quot = f2/f1;
BOOST_CHECK_CLOSE((FValue)sum[0], 1.6 , TOL);
BOOST_CHECK_CLOSE((FValue)sum[1], 0.15 , TOL);
BOOST_CHECK_CLOSE((FValue)sum[n1], 4.6 , TOL);
BOOST_CHECK_CLOSE((FValue)sum[n2], -1.5 , TOL);
BOOST_CHECK_CLOSE((FValue)diff[0], 0.6 , TOL);
BOOST_CHECK_CLOSE((FValue)diff[1], 0.35 , TOL);
BOOST_CHECK_CLOSE((FValue)diff[n1], 2.6 , TOL);
BOOST_CHECK_CLOSE((FValue)diff[n2], -1.5 , TOL);
BOOST_CHECK_CLOSE((FValue)prod[0], 0.55 , TOL);
BOOST_CHECK_CLOSE((FValue)prod[1], -0.025 , TOL);
BOOST_CHECK_CLOSE((FValue)prod[n1], 3.6 , TOL);
BOOST_CHECK_CLOSE((FValue)prod[n2], 0 , TOL);
BOOST_CHECK_CLOSE((FValue)quot[0], 0.4545454545 , TOL);
BOOST_CHECK_CLOSE((FValue)quot[1], -0.4 , TOL);
BOOST_CHECK_CLOSE((FValue)quot[n1], 0.277777777 , TOL);
BOOST_CHECK_CLOSE((FValue)quot[n2], 0 , TOL);
//with different length vectors
FVector f3(2);
FVector f4(1);
f3[0] = 2;
f3[1] = -1;
f4[0] = 5;
FVector sum1 = f3 + f4;
FVector sum2 = f4 + f3;
BOOST_CHECK_EQUAL(sum1,sum2);
BOOST_CHECK_CLOSE(sum1[0], 7, TOL);
BOOST_CHECK_CLOSE(sum1[1], -1, TOL);
FVector diff1 = f3 - f4;
FVector diff2 = f4 - f3;
BOOST_CHECK_CLOSE(diff1[0], -3, TOL);
BOOST_CHECK_CLOSE(diff1[1], -1, TOL);
BOOST_CHECK_CLOSE(diff2[0], 3, TOL);
BOOST_CHECK_CLOSE(diff2[1], 1, TOL);
FVector prod1 = f3 * f4;
FVector prod2 = f4 * f3;
BOOST_CHECK_EQUAL(prod1,prod2);
BOOST_CHECK_CLOSE(prod1[0], 10, TOL);
BOOST_CHECK_CLOSE(prod1[1], 0, TOL);
FVector quot1 = f3 / f4;
FVector quot2 = f4 / f3;
BOOST_CHECK_CLOSE(quot1[0], 0.4, TOL);
BOOST_CHECK_EQUAL(quot1[1], -numeric_limits<float>::infinity());
BOOST_CHECK_CLOSE(quot2[0], 2.5, TOL);
BOOST_CHECK_CLOSE(quot2[1], 0, TOL);
}
BOOST_AUTO_TEST_CASE(core_scalar)
{
FVector f1(3);
FName n1("a");
f1[0] = 1.5;
f1[1] = 2.1;
f1[2] = 4;
f1[n1] = -0.5;
FVector prod = f1*2;
FVector quot = f1/5;
BOOST_CHECK_CLOSE((FValue)prod[0], 3 , TOL);
BOOST_CHECK_CLOSE((FValue)prod[1], 4.2 , TOL);
BOOST_CHECK_CLOSE((FValue)prod[2], 8 , TOL);
BOOST_CHECK_CLOSE((FValue)prod[n1],-1 , TOL);
BOOST_CHECK_CLOSE((FValue)quot[0], 0.3 , TOL);
BOOST_CHECK_CLOSE((FValue)quot[1], 0.42 , TOL);
BOOST_CHECK_CLOSE((FValue)quot[2], 0.8 , TOL);
BOOST_CHECK_CLOSE((FValue)quot[n1],-0.1 , TOL);
}
BOOST_AUTO_TEST_CASE(l1norm)
{
FVector f1(3);
FName n1("a");
f1[0] = 1.5;
f1[1] = 2.1;
f1[2] = 4;
f1[n1] = -0.5;
FValue n = f1.l1norm();
BOOST_CHECK_CLOSE((FValue)n, abs(1.5)+abs(2.1)+abs(4)+abs(-0.5), TOL);
}
BOOST_AUTO_TEST_CASE(sum)
{
FVector f1(3);
FName n1("a");
FName n2("b");
f1[0] = 1.5;
f1[1] = 2.1;
f1[2] = 4;
f1[n1] = -0.5;
f1[n2] = 2.7;
FValue n = f1.sum();
BOOST_CHECK_CLOSE((FValue)n, 1.5+2.1+4-0.5+2.7, TOL);
}
BOOST_AUTO_TEST_CASE(l2norm)
{
FVector f1(3);
FName n1("a");
f1[0] = 1.5;
f1[1] = 2.1;
f1[2] = 4;
f1[n1] = -0.5;
FValue n = f1.l2norm();
BOOST_CHECK_CLOSE((FValue)n, sqrt((1.5*1.5)+(2.1*2.1)+(4*4)+(-0.5*-0.5)), TOL);
}
BOOST_AUTO_TEST_CASE(ip)
{
FVector f1(2);
FVector f2(2);
FName n1("a");
FName n2("b");
FName n3("c");
f1[0] = 1.1;
f1[1] = -0.1; ;
f1[n2] = -1.5;
f1[n3] = 2.2;
f2[0] = 0.5;
f2[1] = 0.25;
f2[n1] = 1;
f2[n3] = 2.4;
FValue p1 = inner_product(f1,f2);
FValue p2 = inner_product(f2,f1);
BOOST_CHECK_CLOSE(p1,p2,TOL);
BOOST_CHECK_CLOSE((FValue)p1, 1.1*0.5 + -0.1*0.25 + 2.2*2.4, TOL);
}
BOOST_AUTO_TEST_SUITE_END()
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