scsl/test/vector.cc

514 lines
12 KiB
C++

//
// Project: scccl
// File: test/math/geom2d_test.cpp
// Author: Kyle Isom
// Date: 2020-02-19
//
// vector runs a set of unit tests on the vector parts of the
// math::geom namespace.
//
// Copyright 2020 Kyle Isom <kyle@imap.cc>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License At
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <iostream>
#include <sstream>
#include <scmp/geom/Vector.h>
#include <sctest/SimpleSuite.h>
#include <sctest/Checks.h>
#include "scsl/Flags.h"
using namespace scmp;
using namespace sctest;
using namespace std;
static bool
Vector3Miscellaneous_ExtractionOperator3d()
{
geom::Vector3D vec {1.0, 2.0, 3.0};
stringstream vecBuffer;
vecBuffer << vec;
SCTEST_CHECK_EQ(vecBuffer.str(), "<1, 2, 3>");
return true;
}
static bool
Vector3Miscellaneous_ExtractionOperator3f()
{
geom::Vector3F vec {1.0, 2.0, 3.0};
stringstream vecBuffer;
vecBuffer << vec;
SCTEST_CHECK_EQ(vecBuffer.str(), "<1, 2, 3>");
return true;
}
static bool
Vector3Miscellaneous_SetEpsilon() {
geom::Vector3F a {1.0, 1.0, 1.0};
geom::Vector3F b;
a.SetEpsilon(1.1);
SCTEST_CHECK_EQ(a, b);
return true;
}
static bool
Vector3FloatTests_Magnitude()
{
geom::Vector3F v3f {1.0, -2.0, 3.0};
const float expected = 3.74165738677394;
SCTEST_CHECK_FEQ(v3f.Magnitude(), expected);
return true;
}
static bool
Vector3FloatTests_Equality()
{
geom::Vector3F a {1.0, 2.0, 3.0};
geom::Vector3F b {1.0, 2.0, 3.0};
geom::Vector3F c {1.0, 2.0, 1.0};
SCTEST_CHECK_EQ(a, b);
SCTEST_CHECK_EQ(b, a);
SCTEST_CHECK_NE(a, c);
SCTEST_CHECK_NE(b, c);
return true;
}
static bool
Vector3FloatTests_Addition()
{
geom::Vector3F a {1.0, 2.0, 3.0};
geom::Vector3F b {4.0, 5.0, 6.0};
geom::Vector3F expected {5.0, 7.0, 9.0};
SCTEST_CHECK_EQ(a+b, expected);
return true;
}
static bool
Vector3FloatTests_Subtraction()
{
geom::Vector3F a {1.0, 2.0, 3.0};
geom::Vector3F b {4.0, 5.0, 6.0};
geom::Vector3F c {5.0, 7.0, 9.0};
SCTEST_CHECK_EQ(c-b, a);
return true;
}
static bool
Vector3FloatTests_ScalarMultiplication()
{
geom::Vector3F a {1.0, 2.0, 3.0};
geom::Vector3F expected {3.0, 6.0, 9.0};
SCTEST_CHECK_EQ(a * 3.0, expected);
return true;
}
static bool
Vector3FloatTests_ScalarDivision()
{
geom::Vector3F a {1.0, 2.0, 3.0};
geom::Vector3F b {3.0, 6.0, 9.0};
SCTEST_CHECK_EQ(b / 3.0, a);
return true;
}
static bool
Vector3FloatTests_DotProduct()
{
geom::Vector3F a {1.0, 2.0, 3.0};
geom::Vector3F b {4.0, 5.0, 6.0};
SCTEST_CHECK_FEQ(a * b, (float)32.0);
return true;
}
static bool
Vector3FloatTests_UnitVector()
{
// Test values randomly generated and calculated with numpy.
geom::Vector3F vec3 {5.320264018493507, 5.6541812891273935, 1.9233435162644652};
geom::Vector3F unit {0.6651669556972103, 0.7069150218815566, 0.24046636539587804};
geom::Vector3F unit2;
SCTEST_CHECK_EQ(vec3.UnitVector(), unit);
SCTEST_CHECK_FALSE(vec3.IsUnitVector());
SCTEST_CHECK(unit.IsUnitVector());
SCTEST_CHECK(unit2.IsUnitVector());
return true;
}
static bool
Vector3FloatTests_Angle()
{
geom::Vector3F a {0.3977933061361172, 8.053980094436525, 8.1287759943773};
geom::Vector3F b {9.817895298608196, 4.034166890407462, 4.37628316513266};
geom::Vector3F c {7.35, 0.221, 5.188};
geom::Vector3F d {2.751, 8.259, 3.985};
SCTEST_CHECK_FEQ(a.Angle(b), (float)0.9914540426033251);
if (!scmp::WithinTolerance(c.Angle(d), (float)1.052, (float)0.001)) {
return false;
}
return true;
}
static bool
Vector3FloatTests_ParallelOrthogonalVectors()
{
geom::Vector3F a {-2.029, 9.97, 4.172};
geom::Vector3F b {-9.231, -6.639, -7.245};
geom::Vector3F c {-2.328, -7.284, -1.214};
geom::Vector3F d {-1.821, 1.072, -2.94};
geom::Vector3F e {-2.0, 1.0, 3.0};
geom::Vector3F f {-6.0, 3.0, 9.0};
geom::Vector3F zeroVector {0.0, 0.0, 0.0};
SCTEST_CHECK_FALSE(a.IsParallel(b));
SCTEST_CHECK_FALSE(a.IsOrthogonal(b));
SCTEST_CHECK_FALSE(c.IsParallel(d));
SCTEST_CHECK(c.IsOrthogonal(d));
SCTEST_CHECK(e.IsParallel(f));
SCTEST_CHECK_FALSE(e.IsOrthogonal(f));
SCTEST_CHECK(zeroVector.IsZero());
SCTEST_CHECK(c.IsParallel(zeroVector));
SCTEST_CHECK(c.IsOrthogonal(zeroVector));
return true;
}
static bool
Vector3FloatTests_Projections()
{
geom::Vector3F a {4.866769214609107, 6.2356222686140566, 9.140878417029711};
geom::Vector3F b {6.135533104801077, 8.757851406697895, 0.6738031370548048};
geom::Vector3F c {4.843812341655318, 6.9140509888133055, 0.5319465962229454};
geom::Vector3F d {0.02295687295378901, -0.6784287201992489, 8.608931820806765};
SCTEST_CHECK_EQ(a.ProjectParallel(b), c);
SCTEST_CHECK_EQ(a.ProjectOrthogonal(b), d);
return true;
}
static bool
Vector3FloatTests_CrossProduct()
{
geom::Vector3F a {8.462, 7.893, -8.187};
geom::Vector3F b {6.984, -5.975, 4.778};
geom::Vector3F c {-11.2046, -97.6094, -105.685};
c.SetEpsilon(0.001);
SCTEST_CHECK_EQ(c, a.Cross(b));
return true;
}
static bool
Vector3DoubleTests_Magnitude()
{
geom::Vector3D v3d{1.0, -2.0, 3.0};
const double expected = 3.74165738677394;
SCTEST_CHECK_DEQ(v3d.Magnitude(), expected);
return true;
}
static bool
Vector3DoubleTests_Equality()
{
geom::Vector3D a {1.0, 2.0, 3.0};
geom::Vector3D b {1.0, 2.0, 3.0};
geom::Vector3D c {1.0, 2.0, 1.0};
SCTEST_CHECK_EQ(a, b);
SCTEST_CHECK_EQ(b, a);
SCTEST_CHECK_NE(a, c);
SCTEST_CHECK_NE(b, c);
return true;
}
static bool
Vector3DoubleTests_Addition()
{
geom::Vector3D a {1.0, 2.0, 3.0};
geom::Vector3D b {4.0, 5.0, 6.0};
geom::Vector3D expected {5.0, 7.0, 9.0};
SCTEST_CHECK_EQ(a+b, expected);
return true;
}
static bool
Vector3DoubleTests_Subtraction()
{
geom::Vector3D a {1.0, 2.0, 3.0};
geom::Vector3D b {4.0, 5.0, 6.0};
geom::Vector3D c {5.0, 7.0, 9.0};
SCTEST_CHECK_EQ(c-b, a);
return true;
}
static bool
Vector3DoubleTests_ScalarMultiplication()
{
geom::Vector3D a {1.0, 2.0, 3.0};
geom::Vector3D expected {3.0, 6.0, 9.0};
SCTEST_CHECK_EQ(a * 3.0, expected);
return true;
}
static bool
Vector3DoubleTests_ScalarDivision()
{
geom::Vector3D a {1.0, 2.0, 3.0};
geom::Vector3D b {3.0, 6.0, 9.0};
SCTEST_CHECK_EQ(b / 3.0, a);
return true;
}
static bool
Vector3DoubleTests_DotProduct()
{
geom::Vector3D a {1.0, 2.0, 3.0};
geom::Vector3D b {4.0, 5.0, 6.0};
SCTEST_CHECK_DEQ(a * b, 32.0);
return true;
}
static bool
Vector3DoubleTests_UnitVector()
{
// Test values randomly generated and calculated with numpy.
geom::Vector3D vec3 {5.320264018493507, 5.6541812891273935, 1.9233435162644652};
geom::Vector3D unit {0.6651669556972103, 0.7069150218815566, 0.24046636539587804};
geom::Vector3D unit2;
SCTEST_CHECK_EQ(vec3.UnitVector(), unit);
SCTEST_CHECK_FALSE(vec3.IsUnitVector());
SCTEST_CHECK(unit.IsUnitVector());
SCTEST_CHECK(unit2.IsUnitVector());
return true;
}
static bool
Vector3DoubleTests_Angle()
{
geom::Vector3D a {0.3977933061361172, 8.053980094436525, 8.1287759943773};
geom::Vector3D b {9.817895298608196, 4.034166890407462, 4.37628316513266};
geom::Vector3D c {7.35, 0.221, 5.188};
geom::Vector3D d {2.751, 8.259, 3.985};
SCTEST_CHECK_DEQ(a.Angle(b), 0.9914540426033251);
if (!scmp::WithinTolerance(c.Angle(d), (double)1.052, (double)0.001)) {
return false;
}
return true;
}
static bool
Vector3DoubleTests_ParallelOrthogonalVectors()
{
geom::Vector3D a {-2.029, 9.97, 4.172};
geom::Vector3D b {-9.231, -6.639, -7.245};
geom::Vector3D c {-2.328, -7.284, -1.214};
geom::Vector3D d {-1.821, 1.072, -2.94};
geom::Vector3D e {-2.0, 1.0, 3.0};
geom::Vector3D f {-6.0, 3.0, 9.0};
geom::Vector3D zeroVector {0.0, 0.0, 0.0};
SCTEST_CHECK_FALSE(a.IsParallel(b));
SCTEST_CHECK_FALSE(a.IsOrthogonal(b));
SCTEST_CHECK_FALSE(c.IsParallel(d));
SCTEST_CHECK(c.IsOrthogonal(d));
SCTEST_CHECK(e.IsParallel(f));
SCTEST_CHECK_FALSE(e.IsOrthogonal(f));
SCTEST_CHECK(zeroVector.IsZero());
SCTEST_CHECK(c.IsParallel(zeroVector));
SCTEST_CHECK(c.IsOrthogonal(zeroVector));
return true;
}
static bool
Vector3DoubleTests_Projections()
{
geom::Vector3D a {4.866769214609107, 6.2356222686140566, 9.140878417029711};
geom::Vector3D b {6.135533104801077, 8.757851406697895, 0.6738031370548048};
geom::Vector3D c {4.843812341655318, 6.9140509888133055, 0.5319465962229454};
geom::Vector3D d {0.02295687295378901, -0.6784287201992489, 8.608931820806765};
SCTEST_CHECK_EQ(a.ProjectParallel(b), c);
SCTEST_CHECK_EQ(a.ProjectOrthogonal(b), d);
return true;
}
static bool
Vector3DoubleTests_CrossProduct()
{
geom::Vector3D a {8.462, 7.893, -8.187};
geom::Vector3D b {6.984, -5.975, 4.778};
geom::Vector3D c {-11.2046, -97.6094, -105.685};
c.SetEpsilon(0.001); // double trouble
SCTEST_CHECK_EQ(c, a.Cross(b));
return true;
}
int
main(int argc, char *argv[])
{
auto noReport = false;
auto quiet = false;
auto flags = new scsl::Flags("test_vector",
"This test validates the vector implementation.");
flags->Register("-n", false, "don't print the report");
flags->Register("-q", false, "suppress test output");
auto parsed = flags->Parse(argc, argv);
if (parsed != scsl::Flags::ParseStatus::OK) {
std::cerr << "Failed to parse flags: "
<< scsl::Flags::ParseStatusToString(parsed) << "\n";
}
SimpleSuite suite;
flags->GetBool("-n", noReport);
flags->GetBool("-q", quiet);
if (quiet) {
suite.Silence();
}
suite.AddTest("Vector3Miscellaneous_ExtractionOperator3d",
Vector3Miscellaneous_ExtractionOperator3d);
suite.AddTest("Vector3Miscellaneous_ExtractionOperator3f",
Vector3Miscellaneous_ExtractionOperator3f);
suite.AddTest("Vector3Miscellaneous_SetEpsilon",
Vector3Miscellaneous_SetEpsilon);
suite.AddTest("Vector3FloatTests_Magnitude",
Vector3FloatTests_Magnitude);
suite.AddTest("Vector3FloatTests_Equality",
Vector3FloatTests_Equality);
suite.AddTest("Vector3FloatTests_Addition",
Vector3FloatTests_Addition);
suite.AddTest("Vector3FloatTests_Subtraction",
Vector3FloatTests_Subtraction);
suite.AddTest("Vector3FloatTests_ScalarMultiplication",
Vector3FloatTests_ScalarMultiplication);
suite.AddTest("Vector3FloatTests_ScalarDivision",
Vector3FloatTests_ScalarDivision);
suite.AddTest("Vector3FloatTests_DotProduct",
Vector3FloatTests_DotProduct);
suite.AddTest("Vector3FloatTests_UnitVector",
Vector3FloatTests_UnitVector);
suite.AddTest("Vector3FloatTests_Angle",
Vector3FloatTests_Angle);
suite.AddTest("Vector3FloatTests_ParallelOrthogonalVectors",
Vector3FloatTests_ParallelOrthogonalVectors);
suite.AddTest("Vector3FloatTests_Projections",
Vector3FloatTests_Projections);
suite.AddTest("Vector3FloatTests_CrossProduct",
Vector3FloatTests_CrossProduct);
suite.AddTest("Vector3DoubleTests_Magnitude",
Vector3DoubleTests_Magnitude);
suite.AddTest("Vector3DoubleTests_Equality",
Vector3DoubleTests_Equality);
suite.AddTest("Vector3DoubleTests_Addition",
Vector3DoubleTests_Addition);
suite.AddTest("Vector3DoubleTests_Subtraction",
Vector3DoubleTests_Subtraction);
suite.AddTest("Vector3DoubleTests_ScalarMultiplication",
Vector3DoubleTests_ScalarMultiplication);
suite.AddTest("Vector3DoubleTests_ScalarDivision",
Vector3DoubleTests_ScalarDivision);
suite.AddTest("Vector3DoubleTests_DotProduct",
Vector3DoubleTests_DotProduct);
suite.AddTest("Vector3DoubleTests_UnitVector",
Vector3DoubleTests_UnitVector);
suite.AddTest("Vector3DoubleTests_Angle",
Vector3DoubleTests_Angle);
suite.AddTest("Vector3DoubleTests_ParallelOrthogonalVectors",
Vector3DoubleTests_ParallelOrthogonalVectors);
suite.AddTest("Vector3DoubleTests_Projections",
Vector3DoubleTests_Projections);
suite.AddTest("Vector3DoubleTests_CrossProduct",
Vector3DoubleTests_CrossProduct);
delete flags;
auto result = suite.Run();
if (!noReport) { std::cout << suite.GetReport() << "\n"; }
return result ? 0 : 1;
}