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#include <cmath>
#include <glib/gmacros.h>
#include <libnr/nr-rotate-fns.h>
#include <utest/utest.h>
int main(int argc, char *argv[])
{
utest_start("rotate-fns");
UTEST_TEST("rotate_degrees") {
double const d[] = {
0, 90, 180, 270, 360, 45, 45.01, 44.99, 134, 135, 136, 314, 315, 317, 359, 361
};
for (unsigned i = 0; i < G_N_ELEMENTS(d); ++i) {
double const degrees = d[i];
NR::rotate const rot(rotate_degrees(degrees));
NR::rotate const rot_approx( M_PI * ( degrees / 180. ) );
UTEST_ASSERT(rotate_equalp(rot, rot_approx, 1e-12));
NR::rotate const rot_inv(rotate_degrees(-degrees));
NR::rotate const rot_compl(rotate_degrees(360 - degrees));
UTEST_ASSERT(rotate_equalp(rot_inv, rot_compl, 1e-12));
UTEST_ASSERT(!rotate_equalp(rot, rotate_degrees(degrees + 1), 1e-5));
}
}
return ( utest_end()
? EXIT_SUCCESS
: EXIT_FAILURE );
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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