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#include <glib/gmacros.h>
#include <cmath>
#include "libnr/in-svg-plane.h"
#include "utest/utest.h"
#include "isnan.h"
int main(int argc, char *argv[])
{
utest_start("in-svg-plane.h");
NR::Point const p3n4(3.0, -4.0);
NR::Point const p0(0.0, 0.0);
double const small = pow(2.0, -1070);
double const inf = 1e400;
double const nan = inf - inf;
NR::Point const small_left(-small, 0.0);
NR::Point const small_n3_4(-3.0 * small, 4.0 * small);
NR::Point const part_nan(3., nan);
assert(isNaN(nan));
assert(!isNaN(small));
UTEST_TEST("in_svg_plane") {
UTEST_ASSERT(in_svg_plane(p3n4));
UTEST_ASSERT(in_svg_plane(p0));
UTEST_ASSERT(in_svg_plane(small_left));
UTEST_ASSERT(in_svg_plane(small_n3_4));
UTEST_ASSERT(nan != nan);
UTEST_ASSERT(!in_svg_plane(NR::Point(nan, 3.)));
UTEST_ASSERT(!in_svg_plane(NR::Point(inf, nan)));
UTEST_ASSERT(!in_svg_plane(NR::Point(0., -inf)));
double const xs[] = {inf, -inf, nan, 1., -2., small, -small};
for (unsigned i = 0; i < G_N_ELEMENTS(xs); ++i) {
for (unsigned j = 0; j < G_N_ELEMENTS(xs); ++j) {
UTEST_ASSERT( in_svg_plane(NR::Point(xs[i], xs[j]))
== (fabs(xs[i]) < inf &&
fabs(xs[j]) < inf ) );
}
}
}
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:encoding=utf-8:textwidth=99 :
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