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#include "vector.H"
#include "IOstreams.H"
#include "vectorTools.H"
#include "unitConversion.H"
using namespace Foam;
void test(const vector& a, const vector& b, const scalar tolerance)
{
Info<< "Vectors " << a << " and " << b
<< " are (to tolerance of " << tolerance << "): ";
if (vectorTools::areParallel(a, b, tolerance))
Info<< " parallel ";
if (vectorTools::areOrthogonal(a, b, tolerance))
Info<< " orthogonal ";
if (vectorTools::areAcute(a, b))
Info<< " acute ";
if (vectorTools::areObtuse(a, b))
Info<< " obtuse ";
Info<< ", angle = " << vectorTools::degAngleBetween(a, b);
Info<< endl;
}
int main()
{
vector a(1.0, 1.0, 1.0);
vector b(2.0, 2.0, 2.0);
test(a, b, 0.0);
test(a, b, VSMALL);
test(a, b, SMALL);
test(a, b, 1e-3);
test(a, b, 1e-1);
a = vector(1,0,0);
b = vector(0,2,0);
test(a, b, 0.0);
test(a, b, VSMALL);
test(a, b, SMALL);
test(a, b, 1e-3);
test(a, b, 1e-1);
a = vector(1,0,0);
b = vector(-1,0,0);
test(a, b, 0.0);
test(a, b, VSMALL);
test(a, b, SMALL);
test(a, b, 1e-3);
test(a, b, 1e-1);
a = vector(1,0,0);
b = vector(-1,2,0);
test(a, b, 0.0);
test(a, b, VSMALL);
test(a, b, SMALL);
test(a, b, 1e-3);
test(a, b, 1e-1);
return 0;
}
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