root/library/tests/pdf_harness.cpp

Revision 1064, 3.2 kB (checked in by mido, 14 years ago)

astyle applied all over the library

  • Property svn:eol-style set to native
Line 
1#include "pdf_harness.h"
2#include "base/bdmbase.h"
3#include "base/user_info.h"
4#include "stat/exp_family.h"
5#include "mat_checks.h"
6#include "test_util.h"
7#include "UnitTest++.h"
8
9namespace bdm {
10
11void pdf_harness::test_config ( const char *config_file_name ) {
12    RV::clear_all();
13
14    UIFile in ( config_file_name );
15    Array<shared_ptr<pdf_harness> > input;
16    UI::get ( input, in, "data", UI::compulsory );
17    int sz = input.size();
18    CHECK ( sz > 0 );
19    for ( int i = 0; i < sz; ++i ) {
20        input ( i )->test ( config_file_name, i );
21    }
22}
23
24void pdf_harness::from_setting ( const Setting &set ) {
25    hpdf = UI::build<pdf> ( set, "pdf", UI::compulsory );
26    UI::get ( mean, set, "mean", UI::compulsory );
27    UI::get ( variance, set, "variance", UI::compulsory );
28
29    if ( !UI::get ( cond, set, "cond", UI::optional ) ) {
30        cond = zeros ( hpdf->dimensionc() );
31    }
32
33    UI::get ( nsamples, set, "nsamples", UI::optional );
34    UI::get ( R, set, "R", UI::optional );
35    UI::get ( tolerance, set, "tolerance", UI::optional );
36}
37
38void pdf_harness::test ( const char *config_name, int idx ) {
39    CurrentContext cc ( config_name, idx );
40    check_mean();
41    if ( R.rows() > 0 ) {
42        check_covariance();
43    }
44}
45
46void pdf_harness::check_mean() {
47    vec delta = make_close_tolerance ( variance, nsamples );
48
49    int tc = 0;
50    Array<vec> actual ( CurrentContext::max_trial_count );
51    do {
52        mat smp = hpdf->samplecond_mat ( cond, nsamples );
53        vec emu = smp * ones ( nsamples ) / nsamples;
54        actual ( tc ) = emu;
55        ++tc;
56    } while ( ( tc < CurrentContext::max_trial_count ) &&
57              !UnitTest::AreClose ( mean, actual ( tc - 1 ), delta ) );
58    if ( ( tc == CurrentContext::max_trial_count ) &&
59            ( !UnitTest::AreClose ( mean, actual ( CurrentContext::max_trial_count - 1 ), delta ) ) ) {
60        UnitTest::MemoryOutStream stream;
61        stream << CurrentContext::format_context ( __LINE__ ) << "expected " << mean << " +/- " << delta << " but was " << actual;
62
63        UnitTest::TestDetails details ( *UnitTest::CurrentTest::Details(), 0, false );
64
65        UnitTest::CurrentTest::Results()->OnTestFailure ( details, stream.GetText() );
66    }
67}
68
69void pdf_harness::check_covariance() {
70    int tc = 0;
71    Array<mat> actual ( CurrentContext::max_trial_count );
72    do {
73        mat smp = hpdf->samplecond_mat ( cond, nsamples );
74        vec emu = smp * ones ( nsamples ) / nsamples;
75        mat er = ( smp * smp.T() ) / nsamples - outer_product ( emu, emu );
76        actual ( tc ) = er;
77        ++tc;
78    } while ( ( tc < CurrentContext::max_trial_count ) &&
79              !UnitTest::AreClose ( R, actual ( tc - 1 ), tolerance ) );
80    if ( ( tc == CurrentContext::max_trial_count ) &&
81            ( !UnitTest::AreClose ( R, actual ( CurrentContext::max_trial_count - 1 ), tolerance ) ) ) {
82        UnitTest::MemoryOutStream stream;
83        stream << CurrentContext::format_context ( __LINE__ ) << "expected " << R << " +/- " << tolerance << " but was " << actual;
84
85        UnitTest::TestDetails details ( *UnitTest::CurrentTest::Details(), 0, false );
86
87        UnitTest::CurrentTest::Results()->OnTestFailure ( details, stream.GetText() );
88    }
89}
90
91}
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