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#include <cxxtest/TestSuite.h>
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#include <glib/gmacros.h>
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#include "libnr/nr-point-fns.h"
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#include "2geom/isnan.h"
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class NrPointFnsTest : public CxxTest::TestSuite
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small( pow( 2.0, -1070 ) ),
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small_left( -small, 0.0 ),
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small_n3_4( -3.0 * small, 4.0 * small ),
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TS_ASSERT( IS_NAN(nan) );
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TS_ASSERT( !IS_NAN(small) );
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setupValid &= IS_NAN(nan);
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setupValid &= !IS_NAN(small);
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virtual ~NrPointFnsTest() {}
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// createSuite and destroySuite get us per-suite setup and teardown
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// without us having to worry about static initialization order, etc.
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static NrPointFnsTest *createSuite() { return new NrPointFnsTest(); }
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static void destroySuite( NrPointFnsTest *suite ) { delete suite; }
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// Called before each test in this suite
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TS_ASSERT( setupValid );
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NR::Point const small_left;
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NR::Point const small_n3_4;
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NR::Point const part_nan;
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NR::Point const inf_left;
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TS_ASSERT_EQUALS( NR::L1(p0), 0.0 );
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TS_ASSERT_EQUALS( NR::L1(p3n4), 7.0 );
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TS_ASSERT_EQUALS( NR::L1(small_left), small );
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TS_ASSERT_EQUALS( NR::L1(inf_left), inf );
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TS_ASSERT_EQUALS( NR::L1(small_n3_4), 7.0 * small );
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TS_ASSERT(IS_NAN(NR::L1(part_nan)));
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TS_ASSERT_EQUALS( NR::L2(p0), 0.0 );
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TS_ASSERT_EQUALS( NR::L2(p3n4), 5.0 );
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TS_ASSERT_EQUALS( NR::L2(small_left), small );
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TS_ASSERT_EQUALS( NR::L2(inf_left), inf );
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TS_ASSERT_EQUALS( NR::L2(small_n3_4), 5.0 * small );
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TS_ASSERT( IS_NAN(NR::L2(part_nan)) );
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TS_ASSERT_EQUALS( NR::LInfty(p0), 0.0 );
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TS_ASSERT_EQUALS( NR::LInfty(p3n4), 4.0 );
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TS_ASSERT_EQUALS( NR::LInfty(small_left), small );
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TS_ASSERT_EQUALS( NR::LInfty(inf_left), inf );
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TS_ASSERT_EQUALS( NR::LInfty(small_n3_4), 4.0 * small );
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TS_ASSERT( IS_NAN(NR::LInfty(part_nan)) );
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TS_ASSERT( NR::is_zero(p0) );
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TS_ASSERT( !NR::is_zero(p3n4) );
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TS_ASSERT( !NR::is_zero(small_left) );
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TS_ASSERT( !NR::is_zero(inf_left) );
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TS_ASSERT( !NR::is_zero(small_n3_4) );
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TS_ASSERT( !NR::is_zero(part_nan) );
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TS_ASSERT_EQUALS( NR::atan2(p3n4), atan2(-4.0, 3.0) );
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TS_ASSERT_EQUALS( NR::atan2(small_left), atan2(0.0, -1.0) );
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TS_ASSERT_EQUALS( NR::atan2(small_n3_4), atan2(4.0, -3.0) );
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void testUnitVector(void)
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TS_ASSERT_EQUALS( NR::unit_vector(p3n4), NR::Point(.6, -0.8) );
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TS_ASSERT_EQUALS( NR::unit_vector(small_left), NR::Point(-1.0, 0.0) );
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TS_ASSERT_EQUALS( NR::unit_vector(small_n3_4), NR::Point(-.6, 0.8) );
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void testIsUnitVector(void)
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TS_ASSERT( !NR::is_unit_vector(p3n4) );
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TS_ASSERT( !NR::is_unit_vector(small_left) );
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TS_ASSERT( !NR::is_unit_vector(small_n3_4) );
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TS_ASSERT( !NR::is_unit_vector(part_nan) );
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TS_ASSERT( !NR::is_unit_vector(inf_left) );
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TS_ASSERT( !NR::is_unit_vector(NR::Point(.5, 0.5)) );
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TS_ASSERT( NR::is_unit_vector(NR::Point(.6, -0.8)) );
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TS_ASSERT( NR::is_unit_vector(NR::Point(-.6, 0.8)) );
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TS_ASSERT( NR::is_unit_vector(NR::Point(-1.0, 0.0)) );
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TS_ASSERT( NR::is_unit_vector(NR::Point(1.0, 0.0)) );
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TS_ASSERT( NR::is_unit_vector(NR::Point(0.0, -1.0)) );
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TS_ASSERT( NR::is_unit_vector(NR::Point(0.0, 1.0)) );
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c-file-style:"stroustrup"
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c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
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// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :