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LazStats: Add tests.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7925 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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wp_xxyyzz
2020-12-05 19:03:07 +00:00
parent 7800484f54
commit 21484fc4bd
29 changed files with 1767 additions and 0 deletions
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72
applications/lazstats/tests/tdist_test/Project1.lpi Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<CONFIG>
<ProjectOptions>
<Version Value="12"/>
<PathDelim Value="\"/>
<General>
<Flags>
<MainUnitHasCreateFormStatements Value="False"/>
<MainUnitHasTitleStatement Value="False"/>
<MainUnitHasScaledStatement Value="False"/>
</Flags>
<SessionStorage Value="InProjectDir"/>
<Title Value="Project1"/>
<UseAppBundle Value="False"/>
<ResourceType Value="res"/>
</General>
<BuildModes>
<Item Name="Default" Default="True"/>
</BuildModes>
<PublishOptions>
<Version Value="2"/>
<UseFileFilters Value="True"/>
</PublishOptions>
<RunParams>
<FormatVersion Value="2"/>
</RunParams>
<RequiredPackages>
<Item>
<PackageName Value="TAChartLazarusPkg"/>
</Item>
<Item>
<PackageName Value="LMath"/>
</Item>
</RequiredPackages>
<Units>
<Unit>
<Filename Value="Project1.pas"/>
<IsPartOfProject Value="True"/>
</Unit>
</Units>
</ProjectOptions>
<CompilerOptions>
<Version Value="11"/>
<PathDelim Value="\"/>
<Target>
<Filename Value="Project1"/>
</Target>
<SearchPaths>
<IncludeFiles Value="$(ProjOutDir)"/>
<OtherUnitFiles Value="..\..\source\units"/>
<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
</SearchPaths>
<Linking>
<Debugging>
<DebugInfoType Value="dsDwarf2Set"/>
</Debugging>
</Linking>
</CompilerOptions>
<Debugging>
<Exceptions>
<Item>
<Name Value="EAbort"/>
</Item>
<Item>
<Name Value="ECodetoolError"/>
</Item>
<Item>
<Name Value="EFOpenError"/>
</Item>
</Exceptions>
</Debugging>
</CONFIG>

49
applications/lazstats/tests/tdist_test/Project1.pas Normal file
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program Project1;
uses
spe,
MathUnit;
const
xmin = 0.0;
xmax = 3.0;
dx = 0.5;
DF = 10;
procedure Test(s: Integer);
var
i: Integer;
x, y_lazStats, y_numlib: Double;
ok: string;
begin
WriteLn('Student''s t distribution with ', DF, ' degrees of freedom (', s, '-sided)');
WriteLn;
WriteLn('x':15, 'y(lazstats)':15, 'y(numlib)':15, 'OK':15);
x := xmin;
while (x <= xmax) do begin
if x < 0 then
y_numlib := 1.0 - spe.tDist(-x, DF, s)
else
y_numlib := spe.tDist(x, DF, s);
if x < 0 then
y_lazstats := 1.0 - mathunit.tDist(-x, DF, s=1)
else
y_lazstats := mathunit.tDist(x, DF, s=1);
if abs(y_lazstats - y_numlib) < 1E-6 then
ok := 'OK'
else
ok := 'ERROR';
WriteLn(x:15:5, y_lazstats:15:5, y_numlib:15:5, ok:15);
x := x + dx;
end;
end;
begin
Test(1);
Test(2);
ReadLn;
end.