#3382 Remove libslvs from the code base, including some cleanup.

This commit is contained in:
Jacob Støren
2018-10-16 09:20:44 +02:00
parent 22abc52e7a
commit 5bf5e6c99d
27 changed files with 121 additions and 11002 deletions

View File

@@ -1,339 +1,12 @@
#include "gtest/gtest.h"
#include "SolveSpaceSystem.h"
#include <slvs.h>
#include <assert.h>
#include <iostream>
#include "SolveSpaceSystem.h"
#include "RiaSCurveCalculator.h"
/*-----------------------------------------------------------------------------
* Test calculation of an S-shape curve:
* Arc-Line-Arc with start and endpoint along with their tangents as input.
*---------------------------------------------------------------------------*/
void example_S_Curve(double p1x,
double p1y,
double p1z,
double azi1,
double inc1,
double rad1,
double p2x,
double p2y,
double p2z,
double azi2,
double inc2,
double rad2)
{
SolveSpaceSystem sys;
Slvs_hGroup group1 = 1;
Slvs_hGroup group2 = 2;
// Group 1, Fixed
// P1
Slvs_hParam p_p1x = sys.addParam( Slvs_MakeParam(-1, group1, p1x) );
Slvs_hParam p_p1y = sys.addParam( Slvs_MakeParam(-1, group1, p1y) );
Slvs_hParam p_p1z = sys.addParam( Slvs_MakeParam(-1, group1, p1z) );
Slvs_hEntity e_P1 = sys.addEntity( Slvs_MakePoint3d(-1, group1, p_p1x, p_p1y, p_p1z) );
// PT1
double pt1x = p1x + sin(azi1)*sin(inc1);
double pt1y = p1y + cos(azi1)*sin(inc1);
double pt1z = p1z - cos(inc1);
Slvs_hParam p_pt1x = sys.addParam( Slvs_MakeParam(-1, group1, pt1x) );
Slvs_hParam p_pt1y = sys.addParam( Slvs_MakeParam(-1, group1, pt1y) );
Slvs_hParam p_pt1z = sys.addParam( Slvs_MakeParam(-1, group1, pt1z) );
Slvs_hEntity e_PT1 = sys.addEntity( Slvs_MakePoint3d(-1, group1, p_pt1x, p_pt1y, p_pt1z) );
// Tangent Line 1
Slvs_hEntity e_LT1 = sys.addEntity(Slvs_MakeLineSegment(-1, group1, SLVS_FREE_IN_3D, e_P1, e_PT1));
// P2
Slvs_hParam p_p2x = sys.addParam( Slvs_MakeParam(-1, group1, p2x) );
Slvs_hParam p_p2y = sys.addParam( Slvs_MakeParam(-1, group1, p2y) );
Slvs_hParam p_p2z = sys.addParam( Slvs_MakeParam(-1, group1, p2z) );
Slvs_hEntity e_P2 = sys.addEntity( Slvs_MakePoint3d(-1, group1, p_p2x, p_p2y, p_p2z) );
// PT2
double pt2x = p2x + sin(azi2)*sin(inc2);
double pt2y = p2y + cos(azi2)*sin(inc2);
double pt2z = p2z - cos(inc2);
Slvs_hParam p_pt2x = sys.addParam( Slvs_MakeParam(-1, group1, pt2x) );
Slvs_hParam p_pt2y = sys.addParam( Slvs_MakeParam(-1, group1, pt2y) );
Slvs_hParam p_pt2z = sys.addParam( Slvs_MakeParam(-1, group1, pt2z) );
Slvs_hEntity e_PT2 = sys.addEntity( Slvs_MakePoint3d(-1, group1, p_pt2x, p_pt2y, p_pt2z) );
// Tangent Line 2
Slvs_hEntity e_LT2 = sys.addEntity(Slvs_MakeLineSegment(-1, group1, SLVS_FREE_IN_3D, e_P2, e_PT2));
// Plane1
double unitQw, unitQx, unitQy, unitQz;
Slvs_MakeQuaternion(1, 0, 0,
0, 1, 0,
&unitQw, &unitQx, &unitQy, &unitQz);
// Plane 1
Slvs_hParam p_Plane1Qw = sys.addParam( Slvs_MakeParam(-1, group2, unitQw) );
Slvs_hParam p_Plane1Qx = sys.addParam( Slvs_MakeParam(-1, group2, unitQx) );
Slvs_hParam p_Plane1Qy = sys.addParam( Slvs_MakeParam(-1, group2, unitQy) );
Slvs_hParam p_Plane1Qz = sys.addParam( Slvs_MakeParam(-1, group2, unitQz));
Slvs_hEntity e_Plane1Q = sys.addEntity( Slvs_MakeNormal3d(-1, group2,
p_Plane1Qw,
p_Plane1Qx,
p_Plane1Qy,
p_Plane1Qz));
Slvs_hEntity e_Plane1 = sys.addEntity( Slvs_MakeWorkplane(-1, group2, e_P1, e_Plane1Q) );
Slvs_hConstraint c_PT1Plane1 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PT_IN_PLANE,
SLVS_FREE_IN_3D,
0.0,
e_PT1,
-1,
e_Plane1,
-1));
// Arc1 center
Slvs_hParam p_c1x = sys.addParam( Slvs_MakeParam(-1, group2, 10.0) ); // Needs a better guess
Slvs_hParam p_c1y = sys.addParam( Slvs_MakeParam(-1, group2, 2.0) );
Slvs_hEntity e_C1 = sys.addEntity( Slvs_MakePoint2d(-1, group2, e_Plane1, p_c1x, p_c1y) );
Slvs_hEntity e_LP1C1 = sys.addEntity(Slvs_MakeLineSegment(-1, group2, e_Plane1, e_P1, e_C1));
Slvs_hConstraint c_perpT1_LP1C1 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PERPENDICULAR,
e_Plane1,
0.0,
-1,
-1,
e_LT1,
e_LP1C1));
Slvs_hConstraint c_dist_P1C1 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PT_PT_DISTANCE,
e_Plane1,
rad1,
e_P1,
e_C1,
-1,
-1));
// Arc1 end
Slvs_hParam p_p11x = sys.addParam( Slvs_MakeParam(-1, group2, 2.0) ); // Needs a better guess: Perp on p_c1x/p_c1y
Slvs_hParam p_p11y = sys.addParam( Slvs_MakeParam(-1, group2, -10.0) );
Slvs_hEntity e_P11 = sys.addEntity( Slvs_MakePoint2d(-1, group2, e_Plane1, p_p11x, p_p11y) );
Slvs_hEntity e_LC1P11 = sys.addEntity(Slvs_MakeLineSegment(-1, group2, e_Plane1, e_C1, e_P11));
Slvs_hConstraint c_dist_C1P11 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_EQUAL_LENGTH_LINES,
e_Plane1,
0.0,
-1,
-1,
e_LP1C1,
e_LC1P11));
// Plane 2
Slvs_hParam p_Plane2Qw = sys.addParam( Slvs_MakeParam(-1, group2, unitQw) );
Slvs_hParam p_Plane2Qx = sys.addParam( Slvs_MakeParam(-1, group2, unitQx) );
Slvs_hParam p_Plane2Qy = sys.addParam( Slvs_MakeParam(-1, group2, unitQy) );
Slvs_hParam p_Plane2Qz = sys.addParam( Slvs_MakeParam(-1, group2, unitQz));
Slvs_hEntity e_Plane2Q = sys.addEntity( Slvs_MakeNormal3d(-1, group2,
p_Plane2Qw,
p_Plane2Qx,
p_Plane2Qy,
p_Plane2Qz));
Slvs_hEntity e_Plane2 = sys.addEntity( Slvs_MakeWorkplane(-1, group2, e_P2, e_Plane2Q) );
Slvs_hConstraint c_PT2Plane2 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PT_IN_PLANE,
SLVS_FREE_IN_3D,
0.0,
e_PT2,
-1,
e_Plane2,
-1));
// Arc2 center
Slvs_hParam p_c2x = sys.addParam( Slvs_MakeParam(-1, group2, 10.0) ); // Needs a better guess
Slvs_hParam p_c2y = sys.addParam( Slvs_MakeParam(-1, group2, 2.0) );
Slvs_hEntity e_C2 = sys.addEntity( Slvs_MakePoint2d(-1, group2, e_Plane2, p_c2x, p_c2y) );
Slvs_hEntity e_LP2C2 = sys.addEntity(Slvs_MakeLineSegment(-1, group2, e_Plane2, e_P2, e_C2));
Slvs_hConstraint c_perpT2_LP2C2 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PERPENDICULAR,
e_Plane2,
0.0,
-1,
-1,
e_LT2,
e_LP2C2));
Slvs_hConstraint c_dist_P2C2 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PT_PT_DISTANCE,
e_Plane2,
rad2,
e_P2,
e_C2,
-1,
-1));
// Arc2 end
Slvs_hParam p_p22x = sys.addParam( Slvs_MakeParam(-1, group2, 2.0) ); // Needs a better guess: Perp on p_c1x/p_c1y
Slvs_hParam p_p22y = sys.addParam( Slvs_MakeParam(-1, group2, -10.0) );
Slvs_hEntity e_P22 = sys.addEntity( Slvs_MakePoint2d(-1, group2, e_Plane2, p_p22x, p_p22y) );
Slvs_hEntity e_LC2P22 = sys.addEntity(Slvs_MakeLineSegment(-1, group2, e_Plane2, e_C2, e_P22));
Slvs_hConstraint c_dist_C2P22 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_EQUAL_LENGTH_LINES,
e_Plane2,
0.0,
-1,
-1,
e_LP2C2,
e_LC2P22));
auto solveResult = sys.solve(group2, true);
assert(solveResult == SolveSpaceSystem::RESULT_OKAY);
// Connecting the two planes
// Connecting line
Slvs_hEntity e_LP11P22 = sys.addEntity(Slvs_MakeLineSegment(-1, group2, SLVS_FREE_IN_3D, e_P11, e_P22));
// Perpendicular constraints
Slvs_hConstraint c_perpC1P11_LP11P22 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PERPENDICULAR,
SLVS_FREE_IN_3D,
0.0,
-1,
-1,
e_LC1P11,
e_LP11P22));
solveResult = sys.solve(group2, true);
assert(solveResult == SolveSpaceSystem::RESULT_OKAY);
Slvs_hConstraint c_perpC2P22_LP11P22 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PERPENDICULAR,
SLVS_FREE_IN_3D,
0.0,
-1,
-1,
e_LC2P22,
e_LP11P22));
solveResult = sys.solve(group2, true);
assert(solveResult == SolveSpaceSystem::RESULT_OKAY);
// P11, P22 in plane constraints
Slvs_hConstraint c_P11InPlane2 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PT_IN_PLANE,
SLVS_FREE_IN_3D,
0.0,
e_P11,
-1,
e_Plane2,
-1));
solveResult = sys.solve(group2, true);
assert(solveResult == SolveSpaceSystem::RESULT_OKAY);
Slvs_hConstraint c_P22InPlane1 = sys.addConstr(Slvs_MakeConstraint(-1,
group2,
SLVS_C_PT_IN_PLANE,
SLVS_FREE_IN_3D,
0.0,
e_P22,
-1,
e_Plane1,
-1));
solveResult = sys.solve(group2, true);
assert(solveResult == SolveSpaceSystem::RESULT_OKAY);
// Circle Center, Plane normals, P11, P22
std::valarray<double> v_C1 = sys.global3DPos(e_C1);
std::valarray<double> v_C2 = sys.global3DPos(e_C2);
std::valarray<double> v_N1 = std::get<2>( sys.orientationMx(e_Plane1Q));
std::valarray<double> v_N2 = std::get<2>( sys.orientationMx(e_Plane2Q));
std::valarray<double> v_P11 = sys.global3DPos(e_P11);
std::valarray<double> v_P22 = sys.global3DPos(e_P22);
std::cout << "P1: " << "[ " << p1x << " " << p1y << " " << p1z << " " << std::endl;
std::cout << "P11: " << "[ " << v_P11[0] << " " << v_P11[1] << " " << v_P11[2] << " " << std::endl;
std::cout << "P22: " << "[ " << v_P22[0] << " " << v_P22[1] << " " << v_P22[2] << " " << std::endl;
std::cout << "P2: " << "[ " << p2x << " " << p2y << " " << p2z << " " << std::endl;
std::cout << "C1: " << "[ " << v_C1[0] << " " << v_C1[1] << " " << v_C1[2] << " " << std::endl;
std::cout << "C2: " << "[ " << v_C2[0] << " " << v_C2[1] << " " << v_C2[2] << " " << std::endl;
std::cout << "N1: " << "[ " << v_N1[0] << " " << v_N1[1] << " " << v_N1[2] << " " << std::endl;
std::cout << "N2: " << "[ " << v_N2[0] << " " << v_N2[1] << " " << v_N2[2] << " " << std::endl;
}
#define M_PI 3.14159265358979323846 // pi
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(SolveSpaceSolverTest, SCurve)
{
example_S_Curve(100, 100, 0, 0, M_PI/4, 12,
100, 150, -1000, M_PI, M_PI/4, 12);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
@@ -373,6 +46,9 @@ TEST(RiaSCurveCalculator, Test1AtEstimate)
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, Test2)
{
RiaSCurveCalculator sCurveCalc({ 100, 100, 0 },
@@ -391,6 +67,9 @@ TEST(RiaSCurveCalculator, Test2)
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, Test3)
{
RiaSCurveCalculator sCurveCalc({ 100, 100, 0 },
@@ -408,6 +87,9 @@ TEST(RiaSCurveCalculator, Test3)
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, Test4)
{
RiaSCurveCalculator sCurveCalc({ 0, 0, 0 },
@@ -428,6 +110,9 @@ TEST(RiaSCurveCalculator, Test4)
double curveRadius = 115;
double angleEpsilon = 0.01;
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, Config1 )
{
RiaSCurveCalculator sCurveCalc(
@@ -438,6 +123,9 @@ TEST(RiaSCurveCalculator, Config1 )
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, Config1a )
{
RiaSCurveCalculator sCurveCalc(
@@ -447,6 +135,10 @@ TEST(RiaSCurveCalculator, Config1a )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, Config2 )
{
RiaSCurveCalculator sCurveCalc(
@@ -456,6 +148,10 @@ TEST(RiaSCurveCalculator, Config2 )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, Config3 )
{
RiaSCurveCalculator sCurveCalc(
@@ -465,6 +161,10 @@ TEST(DISABLED_RiaSCurveCalculator, Config3 )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, Config3a )
{
RiaSCurveCalculator sCurveCalc(
@@ -474,6 +174,10 @@ TEST(DISABLED_RiaSCurveCalculator, Config3a )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, Config4 )
{
RiaSCurveCalculator sCurveCalc(
@@ -483,6 +187,10 @@ TEST(RiaSCurveCalculator, Config4 )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, Config5 )
{
RiaSCurveCalculator sCurveCalc(
@@ -492,6 +200,10 @@ TEST(RiaSCurveCalculator, Config5 )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, Config6 )
{
RiaSCurveCalculator sCurveCalc(
@@ -501,6 +213,10 @@ TEST(DISABLED_RiaSCurveCalculator, Config6 )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, Config6a )
{
RiaSCurveCalculator sCurveCalc(
@@ -510,6 +226,10 @@ TEST(DISABLED_RiaSCurveCalculator, Config6a )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, Config6b )
{
RiaSCurveCalculator sCurveCalc(
@@ -519,6 +239,10 @@ TEST(DISABLED_RiaSCurveCalculator, Config6b )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, Config7 )
{
RiaSCurveCalculator sCurveCalc(
@@ -528,6 +252,10 @@ TEST(DISABLED_RiaSCurveCalculator, Config7 )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, Config8 )
{
RiaSCurveCalculator sCurveCalc(
@@ -537,6 +265,10 @@ TEST(DISABLED_RiaSCurveCalculator, Config8 )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, Config8a )
{
RiaSCurveCalculator sCurveCalc(
@@ -546,6 +278,10 @@ TEST(DISABLED_RiaSCurveCalculator, Config8a )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, Config8b )
{
RiaSCurveCalculator sCurveCalc(
@@ -555,6 +291,10 @@ TEST(DISABLED_RiaSCurveCalculator, Config8b )
EXPECT_EQ(RiaSCurveCalculator::OK, sCurveCalc.curveStatus());
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, Config9 )
{
RiaSCurveCalculator sCurveCalc(
@@ -565,6 +305,9 @@ TEST(RiaSCurveCalculator, Config9 )
EXPECT_EQ(RiaSCurveCalculator::CONVERGED, sCurveCalc.solveStatus());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, InfiniteStartRadius )
{
{
@@ -586,6 +329,9 @@ TEST(RiaSCurveCalculator, InfiniteStartRadius )
}
}
//--------------------------------------------------------------------------------------------------
/// Helper method to print the r1(q1, q2) r2(q1, q2) for plotting as 3D surface in Excel
//--------------------------------------------------------------------------------------------------
void printQ1Q2R1R2Matrix(cvf::Vec3d p1, double azi1, double inc1,
cvf::Vec3d p2, double azi2, double inc2)
{
@@ -658,6 +404,9 @@ void printQ1Q2R1R2Matrix(cvf::Vec3d p1, double azi1, double inc1,
}
//--------------------------------------------------------------------------------------------------
/// Test used to print and plot the relations between q1, q2, r1 and r2 in excel as 3d surface
//--------------------------------------------------------------------------------------------------
TEST(DISABLED_RiaSCurveCalculator, q_r_relation)
{
std::cout << "Config 1" << std::endl;
@@ -752,6 +501,9 @@ TEST(DISABLED_RiaSCurveCalculator, q_r_relation)
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaSCurveCalculator, ControlPointCurve)
{
{
@@ -802,6 +554,9 @@ TEST(RiaSCurveCalculator, ControlPointCurve)
#include "RiaJCurveCalculator.h"
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaJCurveCalculator, Basic)
{
{
@@ -833,9 +588,11 @@ TEST(RiaJCurveCalculator, Basic)
}
#include "RiaArcCurveCalculator.h"
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RiaArcCurveCalculator, Basic)
{
{