2015-04-03 17:46:59 +03:00
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#include "MiraFeatureVector.h"
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#include "MiraWeightVector.h"
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#define BOOST_TEST_MODULE MiraFeatureVector
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#include <boost/test/unit_test.hpp>
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using namespace MosesTuning;
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/* Note that the conversion to and from SparseVector needs to know
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how many of the features are really "dense". This is because in hg mira
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all features (sparse and dense) are to get rolled in to SparseVector
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*/
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2015-05-02 13:45:24 +03:00
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BOOST_AUTO_TEST_CASE(from_sparse)
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{
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2015-04-03 17:46:59 +03:00
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SparseVector sp;
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sp.set("dense0", 0.2);
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sp.set("dense1", 0.3);
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sp.set("sparse0", 0.7);
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sp.set("sparse1", 0.9);
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sp.set("sparse2", 0.1);
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MiraFeatureVector mfv(sp,2);
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BOOST_CHECK_EQUAL(mfv.size(),5);
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BOOST_CHECK_EQUAL(mfv.feat(0),0);
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BOOST_CHECK_EQUAL(mfv.feat(1),1);
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BOOST_CHECK_EQUAL(mfv.feat(2),4);
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BOOST_CHECK_EQUAL(mfv.feat(3),5);
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BOOST_CHECK_EQUAL(mfv.feat(4),6);
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BOOST_CHECK_CLOSE(mfv.val(0), 0.2,1e-5);
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BOOST_CHECK_CLOSE(mfv.val(1), 0.3,1e-5);
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BOOST_CHECK_CLOSE(mfv.val(2), 0.7,1e-5);
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BOOST_CHECK_CLOSE(mfv.val(3), 0.9,1e-5);
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BOOST_CHECK_CLOSE(mfv.val(4), 0.1,1e-5);
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MiraWeightVector mwv;
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mwv.update(mfv,1.0);
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SparseVector sp2;
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mwv.ToSparse(&sp2,2);
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//check we get back what we started with
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BOOST_CHECK_CLOSE(sp2.get("dense0"), 0.2,1e-5);
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BOOST_CHECK_CLOSE(sp2.get("dense1"), 0.3,1e-5);
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BOOST_CHECK_CLOSE(sp2.get("sparse0"), 0.7,1e-5);
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BOOST_CHECK_CLOSE(sp2.get("sparse1"), 0.9,1e-5);
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BOOST_CHECK_CLOSE(sp2.get("sparse2"), 0.1,1e-5);
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}
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