v3dmath_test.cpp
上传用户:king477883
上传日期:2021-03-01
资源大小:9553k
文件大小:15k
- /**
- * @file v3dmath_test.cpp
- * @author Adroit
- * @date 2007-03
- * @brief v3dmath test cases.
- *
- * $LicenseInfo:firstyear=2007&license=viewergpl$
- *
- * Copyright (c) 2007-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
-
- #include "linden_common.h"
- #include "llsd.h"
- #include "../test/lltut.h"
- #include "../llquaternion.h"
- #include "../m3math.h"
- #include "../v4math.h"
- #include "../v3dmath.h"
- #include "../v3dmath.h"
- namespace tut
- {
- struct v3dmath_data
- {
- };
- typedef test_group<v3dmath_data> v3dmath_test;
- typedef v3dmath_test::object v3dmath_object;
- tut::v3dmath_test v3dmath_testcase("v3dmath");
- template<> template<>
- void v3dmath_object::test<1>()
- {
- LLVector3d vec3D;
- ensure("1:LLVector3d:Fail to initialize ", ((0 == vec3D.mdV[VX]) && (0 == vec3D.mdV[VY]) && (0 == vec3D.mdV[VZ])));
- F64 x = 2.32f, y = 1.212f, z = -.12f;
- LLVector3d vec3Da(x,y,z);
- ensure("2:LLVector3d:Fail to initialize ", ((2.32f == vec3Da.mdV[VX]) && (1.212f == vec3Da.mdV[VY]) && (-.12f == vec3Da.mdV[VZ])));
- const F64 vec[3] = {1.2f ,3.2f, -4.2f};
- LLVector3d vec3Db(vec);
- ensure("3:LLVector3d:Fail to initialize ", ((1.2f == vec3Db.mdV[VX]) && (3.2f == vec3Db.mdV[VY]) && (-4.2f == vec3Db.mdV[VZ])));
- LLVector3 vec3((F32)x,(F32)y,(F32)z);
- LLVector3d vec3Dc(vec3);
- ensure_equals("4:LLVector3d Fail to initialize",vec3Da,vec3Dc);
- }
- template<> template<>
- void v3dmath_object::test<2>()
- {
- S32 a = -235;
- LLSD llsd(a);
- LLVector3d vec3d(llsd);
- LLSD sd = vec3d.getValue();
- LLVector3d vec3da(sd);
- ensure("1:getValue:Fail ", (vec3d == vec3da));
- }
- template<> template<>
- void v3dmath_object::test<3>()
- {
- F64 a = 232345521.411132;
- LLSD llsd(a);
- LLVector3d vec3d;
- vec3d.setValue(llsd);
- LLSD sd = vec3d.getValue();
- LLVector3d vec3da(sd);
- ensure("1:setValue:Fail to initialize ", (vec3d == vec3da));
- }
- template<> template<>
- void v3dmath_object::test<4>()
- {
- F64 a[3] = {222231.43222, 12345.2343, -434343.33222};
- LLSD llsd;
- llsd[0] = a[0];
- llsd[1] = a[1];
- llsd[2] = a[2];
- LLVector3d vec3D;
- vec3D = (LLVector3d)llsd;
- ensure("1:operator=:Fail to initialize ", ((llsd[0].asReal()== vec3D.mdV[VX]) && (llsd[1].asReal() == vec3D.mdV[VY]) && (llsd[2].asReal() == vec3D.mdV[VZ])));
- }
-
- template<> template<>
- void v3dmath_object::test<5>()
- {
- F64 x = 2.32f, y = 1.212f, z = -.12f;
- LLVector3d vec3D(x,y,z);
- vec3D.clearVec();
- ensure("1:clearVec:Fail to initialize ", ((0 == vec3D.mdV[VX]) && (0 == vec3D.mdV[VY]) && (0 == vec3D.mdV[VZ])));
- vec3D.setVec(x,y,z);
- ensure("2:setVec:Fail to initialize ", ((x == vec3D.mdV[VX]) && (y == vec3D.mdV[VY]) && (z == vec3D.mdV[VZ])));
- vec3D.zeroVec();
- ensure("3:zeroVec:Fail to initialize ", ((0 == vec3D.mdV[VX]) && (0 == vec3D.mdV[VY]) && (0 == vec3D.mdV[VZ])));
- vec3D.clearVec();
- LLVector3 vec3((F32)x,(F32)y,(F32)z);
- vec3D.setVec(vec3);
- ensure("4:setVec:Fail to initialize ", ((x == vec3D.mdV[VX]) && (y == vec3D.mdV[VY]) && (z == vec3D.mdV[VZ])));
- vec3D.clearVec();
- const F64 vec[3] = {x,y,z};
- vec3D.setVec(vec);
- ensure("5:setVec:Fail to initialize ", ((x == vec3D.mdV[VX]) && (y == vec3D.mdV[VY]) && (z == vec3D.mdV[VZ])));
- LLVector3d vec3Da;
- vec3Da.setVec(vec3D);
- ensure_equals("6:setVec: Fail to initialize", vec3D, vec3Da);
- }
-
- template<> template<>
- void v3dmath_object::test<6>()
- {
- F64 x = -2.32, y = 1.212, z = -.12;
- LLVector3d vec3D(x,y,z);
- vec3D.abs();
- ensure("1:abs:Fail ", ((-x == vec3D.mdV[VX]) && (y == vec3D.mdV[VY]) && (-z == vec3D.mdV[VZ])));
- ensure("2:isNull():Fail ", (FALSE == vec3D.isNull()));
- vec3D.clearVec();
- x =.00000001, y = .000001001, z = .000001001;
- vec3D.setVec(x,y,z);
- ensure("3:isNull():Fail ", (TRUE == vec3D.isNull()));
- ensure("4:isExactlyZero():Fail ", (FALSE == vec3D.isExactlyZero()));
- x =.0000000, y = .00000000, z = .00000000;
- vec3D.setVec(x,y,z);
- ensure("5:isExactlyZero():Fail ", (TRUE == vec3D.isExactlyZero()));
- }
- template<> template<>
- void v3dmath_object::test<7>()
- {
- F64 x = -2.32, y = 1.212, z = -.12;
- LLVector3d vec3D(x,y,z);
-
- ensure("1:operator [] failed",( x == vec3D[0]));
- ensure("2:operator [] failed",( y == vec3D[1]));
- ensure("3:operator [] failed",( z == vec3D[2]));
- vec3D.clearVec();
- x = 23.23, y = -.2361, z = 3.25;
- vec3D.setVec(x,y,z);
- F64 &ref1 = vec3D[0];
- ensure("4:operator [] failed",( ref1 == vec3D[0]));
- F64 &ref2 = vec3D[1];
- ensure("5:operator [] failed",( ref2 == vec3D[1]));
- F64 &ref3 = vec3D[2];
- ensure("6:operator [] failed",( ref3 == vec3D[2]));
- }
- template<> template<>
- void v3dmath_object::test<8>()
- {
- F32 x = 1.f, y = 2.f, z = -1.f;
- LLVector4 vec4(x,y,z);
- LLVector3d vec3D;
- vec3D = vec4;
- ensure("1:operator=:Fail to initialize ", ((vec4.mV[VX] == vec3D.mdV[VX]) && (vec4.mV[VY] == vec3D.mdV[VY]) && (vec4.mV[VZ] == vec3D.mdV[VZ])));
- }
- template<> template<>
- void v3dmath_object::test<9>()
- {
- F64 x1 = 1.78787878, y1 = 232322.2121, z1 = -12121.121212;
- F64 x2 = 1.2, y2 = 2.5, z2 = 1.;
- LLVector3d vec3D(x1,y1,z1),vec3Da(x2,y2,z2),vec3Db;
- vec3Db = vec3Da+ vec3D;
- ensure("1:operator+:Fail to initialize ", ((x1+x2 == vec3Db.mdV[VX]) && (y1+y2 == vec3Db.mdV[VY]) && (z1+z2 == vec3Db.mdV[VZ])));
- x1 = -2.45, y1 = 2.1, z1 = 3.0;
- vec3D.clearVec();
- vec3Da.clearVec();
- vec3D.setVec(x1,y1,z1);
- vec3Da += vec3D;
- ensure_equals("2:operator+=: Fail to initialize", vec3Da,vec3D);
- vec3Da += vec3D;
- ensure("3:operator+=:Fail to initialize ", ((2*x1 == vec3Da.mdV[VX]) && (2*y1 == vec3Da.mdV[VY]) && (2*z1 == vec3Da.mdV[VZ])));
- }
- template<> template<>
- void v3dmath_object::test<10>()
- {
- F64 x1 = 1., y1 = 2., z1 = -1.1;
- F64 x2 = 1.2, y2 = 2.5, z2 = 1.;
- LLVector3d vec3D(x1,y1,z1),vec3Da(x2,y2,z2),vec3Db;
- vec3Db = vec3Da - vec3D;
- ensure("1:operator-:Fail to initialize ", ((x2-x1 == vec3Db.mdV[VX]) && (y2-y1 == vec3Db.mdV[VY]) && (z2-z1 == vec3Db.mdV[VZ])));
- x1 = -2.45, y1 = 2.1, z1 = 3.0;
- vec3D.clearVec();
- vec3Da.clearVec();
- vec3D.setVec(x1,y1,z1);
- vec3Da -=vec3D;
- ensure("2:operator-=:Fail to initialize ", ((2.45 == vec3Da.mdV[VX]) && (-2.1 == vec3Da.mdV[VY]) && (-3.0 == vec3Da.mdV[VZ])));
- vec3Da -= vec3D;
- ensure("3:operator-=:Fail to initialize ", ((-2*x1 == vec3Da.mdV[VX]) && (-2*y1 == vec3Da.mdV[VY]) && (-2*z1 == vec3Da.mdV[VZ])));
- }
- template<> template<>
- void v3dmath_object::test<11>()
- {
- F64 x1 = 1., y1 = 2., z1 = -1.1;
- F64 x2 = 1.2, y2 = 2.5, z2 = 1.;
- LLVector3d vec3D(x1,y1,z1),vec3Da(x2,y2,z2);
- F64 res = vec3D * vec3Da;
- ensure_approximately_equals(
- "1:operator* failed",
- res,
- (x1*x2 + y1*y2 + z1*z2),
- 8);
- vec3Da.clearVec();
- F64 mulVal = 4.2;
- vec3Da = vec3D * mulVal;
- ensure_approximately_equals(
- "2a:operator* failed",
- vec3Da.mdV[VX],
- x1*mulVal,
- 8);
- ensure_approximately_equals(
- "2b:operator* failed",
- vec3Da.mdV[VY],
- y1*mulVal,
- 8);
- ensure_approximately_equals(
- "2c:operator* failed",
- vec3Da.mdV[VZ],
- z1*mulVal,
- 8);
- vec3Da.clearVec();
- vec3Da = mulVal * vec3D;
- ensure_approximately_equals(
- "3a:operator* failed",
- vec3Da.mdV[VX],
- x1*mulVal,
- 8);
- ensure_approximately_equals(
- "3b:operator* failed",
- vec3Da.mdV[VY],
- y1*mulVal,
- 8);
- ensure_approximately_equals(
- "3c:operator* failed",
- vec3Da.mdV[VZ],
- z1*mulVal,
- 8);
- vec3D *= mulVal;
- ensure_approximately_equals(
- "4a:operator*= failed",
- vec3D.mdV[VX],
- x1*mulVal,
- 8);
- ensure_approximately_equals(
- "4b:operator*= failed",
- vec3D.mdV[VY],
- y1*mulVal,
- 8);
- ensure_approximately_equals(
- "4c:operator*= failed",
- vec3D.mdV[VZ],
- z1*mulVal,
- 8);
- }
- template<> template<>
- void v3dmath_object::test<12>()
- {
- F64 x1 = 1., y1 = 2., z1 = -1.1;
- F64 x2 = 1.2, y2 = 2.5, z2 = 1.;
- F64 val1, val2, val3;
- LLVector3d vec3D(x1,y1,z1),vec3Da(x2,y2,z2), vec3Db;
- vec3Db = vec3D % vec3Da;
- val1 = y1*z2 - y2*z1;
- val2 = z1*x2 -z2*x1;
- val3 = x1*y2-x2*y1;
- ensure("1:operator% failed",(val1 == vec3Db.mdV[VX]) && (val2 == vec3Db.mdV[VY]) && (val3 == vec3Db.mdV[VZ]));
- vec3D %= vec3Da;
- ensure("2:operator%= failed",
- is_approx_equal(vec3D.mdV[VX],vec3Db.mdV[VX]) &&
- is_approx_equal(vec3D.mdV[VY],vec3Db.mdV[VY]) &&
- is_approx_equal(vec3D.mdV[VZ],vec3Db.mdV[VZ]) );
- }
- template<> template<>
- void v3dmath_object::test<13>()
- {
- F64 x1 = 1., y1 = 2., z1 = -1.1,div = 4.2;
- F64 t = 1.f / div;
- LLVector3d vec3D(x1,y1,z1), vec3Da;
- vec3Da = vec3D/div;
- ensure_approximately_equals(
- "1a:operator/ failed",
- vec3Da.mdV[VX],
- x1*t,
- 8);
- ensure_approximately_equals(
- "1b:operator/ failed",
- vec3Da.mdV[VY],
- y1*t,
- 8);
- ensure_approximately_equals(
- "1c:operator/ failed",
- vec3Da.mdV[VZ],
- z1*t,
- 8);
- x1 = 1.23, y1 = 4., z1 = -2.32;
- vec3D.clearVec();
- vec3Da.clearVec();
- vec3D.setVec(x1,y1,z1);
- vec3Da = vec3D/div;
- ensure_approximately_equals(
- "2a:operator/ failed",
- vec3Da.mdV[VX],
- x1*t,
- 8);
- ensure_approximately_equals(
- "2b:operator/ failed",
- vec3Da.mdV[VY],
- y1*t,
- 8);
- ensure_approximately_equals(
- "2c:operator/ failed",
- vec3Da.mdV[VZ],
- z1*t,
- 8);
- vec3D /= div;
- ensure_approximately_equals(
- "3a:operator/= failed",
- vec3D.mdV[VX],
- x1*t,
- 8);
- ensure_approximately_equals(
- "3b:operator/= failed",
- vec3D.mdV[VY],
- y1*t,
- 8);
- ensure_approximately_equals(
- "3c:operator/= failed",
- vec3D.mdV[VZ],
- z1*t,
- 8);
- }
- template<> template<>
- void v3dmath_object::test<14>()
- {
- F64 x1 = 1., y1 = 2., z1 = -1.1;
- LLVector3d vec3D(x1,y1,z1), vec3Da;
- ensure("1:operator!= failed",(TRUE == (vec3D !=vec3Da)));
- vec3Da = vec3D;
- ensure("2:operator== failed",(vec3D ==vec3Da));
- vec3D.clearVec();
- vec3Da.clearVec();
- x1 = .211, y1 = 21.111, z1 = 23.22;
- vec3D.setVec(x1,y1,z1);
- vec3Da.setVec(x1,y1,z1);
- ensure("3:operator== failed",(vec3D ==vec3Da));
- ensure("4:operator!= failed",(FALSE == (vec3D !=vec3Da)));
- }
-
- template<> template<>
- void v3dmath_object::test<15>()
- {
- F64 x1 = 1., y1 = 2., z1 = -1.1;
- LLVector3d vec3D(x1,y1,z1), vec3Da;
- std::ostringstream stream1, stream2;
- stream1 << vec3D;
- vec3Da.setVec(x1,y1,z1);
- stream2 << vec3Da;
- ensure("1:operator << failed",(stream1.str() == stream2.str()));
- }
- template<> template<>
- void v3dmath_object::test<16>()
- {
- F64 x1 = 1.23, y1 = 2.0, z1 = 4.;
- std::string buf("1.23 2. 4");
- LLVector3d vec3D, vec3Da(x1,y1,z1);
- LLVector3d::parseVector3d(buf, &vec3D);
- ensure_equals("1:parseVector3d: failed " , vec3D, vec3Da);
- }
- template<> template<>
- void v3dmath_object::test<17>()
- {
- F64 x1 = 1., y1 = 2., z1 = -1.1;
- LLVector3d vec3D(x1,y1,z1), vec3Da;
- vec3Da = -vec3D;
- ensure("1:operator- failed", (vec3D == - vec3Da));
- }
- template<> template<>
- void v3dmath_object::test<18>()
- {
- F64 x = 1., y = 2., z = -1.1;
- LLVector3d vec3D(x,y,z);
- F64 res = (x*x + y*y + z*z) - vec3D.magVecSquared();
- ensure("1:magVecSquared:Fail ", ((-F_APPROXIMATELY_ZERO <= res)&& (res <=F_APPROXIMATELY_ZERO)));
- res = fsqrtf(x*x + y*y + z*z) - vec3D.magVec();
- ensure("2:magVec: Fail ", ((-F_APPROXIMATELY_ZERO <= res)&& (res <=F_APPROXIMATELY_ZERO)));
- }
- template<> template<>
- void v3dmath_object::test<19>()
- {
- F64 x = 1., y = 2., z = -1.1;
- LLVector3d vec3D(x,y,z);
- F64 mag = vec3D.normVec();
- mag = 1.f/ mag;
- ensure_approximately_equals(
- "1a:normVec: Fail ",
- vec3D.mdV[VX],
- x * mag,
- 8);
- ensure_approximately_equals(
- "1b:normVec: Fail ",
- vec3D.mdV[VY],
- y * mag,
- 8);
- ensure_approximately_equals(
- "1c:normVec: Fail ",
- vec3D.mdV[VZ],
- z * mag,
- 8);
- x = 0.000000001, y = 0.000000001, z = 0.000000001;
- vec3D.clearVec();
- vec3D.setVec(x,y,z);
- mag = vec3D.normVec();
- ensure_approximately_equals(
- "2a:normVec: Fail ",
- vec3D.mdV[VX],
- x * mag,
- 8);
- ensure_approximately_equals(
- "2b:normVec: Fail ",
- vec3D.mdV[VY],
- y * mag,
- 8);
- ensure_approximately_equals(
- "2c:normVec: Fail ",
- vec3D.mdV[VZ],
- z * mag,
- 8);
- }
- template<> template<>
- void v3dmath_object::test<20>()
- {
- F64 x1 = 1111.232222;
- F64 y1 = 2222222222.22;
- F64 z1 = 422222222222.0;
- std::string buf("1111.232222 2222222222.22 422222222222");
- LLVector3d vec3Da, vec3Db(x1,y1,z1);
- LLVector3d::parseVector3d(buf, &vec3Da);
- ensure_equals("1:parseVector3 failed", vec3Da, vec3Db);
- }
- template<> template<>
- void v3dmath_object::test<21>()
- {
- F64 x1 = 1., y1 = 2., z1 = -1.1;
- F64 x2 = 1.2, y2 = 2.5, z2 = 1.;
- F64 val = 2.3f,val1,val2,val3;
- val1 = x1 + (x2 - x1)* val;
- val2 = y1 + (y2 - y1)* val;
- val3 = z1 + (z2 - z1)* val;
- LLVector3d vec3Da(x1,y1,z1),vec3Db(x2,y2,z2);
- LLVector3d vec3d = lerp(vec3Da,vec3Db,val);
- ensure("1:lerp failed", ((val1 ==vec3d.mdV[VX])&& (val2 ==vec3d.mdV[VY]) && (val3 ==vec3d.mdV[VZ])));
- }
- template<> template<>
- void v3dmath_object::test<22>()
- {
- F64 x = 2.32, y = 1.212, z = -.12;
- F64 min = 0.0001, max = 3.0;
- LLVector3d vec3d(x,y,z);
- ensure("1:clamp:Fail ", (TRUE == (vec3d.clamp(min, max))));
- x = 0.000001f, z = 5.3f;
- vec3d.setVec(x,y,z);
- ensure("2:clamp:Fail ", (TRUE == (vec3d.clamp(min, max))));
- }
- template<> template<>
- void v3dmath_object::test<23>()
- {
- F64 x = 10., y = 20., z = -15.;
- F64 epsilon = .23425;
- LLVector3d vec3Da(x,y,z), vec3Db(x,y,z);
- ensure("1:are_parallel: Fail ", (TRUE == are_parallel(vec3Da,vec3Db,epsilon)));
- F64 x1 = -12., y1 = -20., z1 = -100.;
- vec3Db.clearVec();
- vec3Db.setVec(x1,y1,z1);
- ensure("2:are_parallel: Fail ", (FALSE == are_parallel(vec3Da,vec3Db,epsilon)));
- }
- template<> template<>
- void v3dmath_object::test<24>()
- {
- #if LL_WINDOWS && _MSC_VER < 1400
- skip("This fails on VS2003!");
- #else
- F64 x = 10., y = 20., z = -15.;
- F64 angle1, angle2;
- LLVector3d vec3Da(x,y,z), vec3Db(x,y,z);
- angle1 = angle_between(vec3Da, vec3Db);
- ensure("1:angle_between: Fail ", (0 == angle1));
- F64 x1 = -1., y1 = -20., z1 = -1.;
- vec3Da.clearVec();
- vec3Da.setVec(x1,y1,z1);
- angle2 = angle_between(vec3Da, vec3Db);
- vec3Db.normVec();
- vec3Da.normVec();
- F64 angle = vec3Db*vec3Da;
- angle = acos(angle);
- ensure("2:angle_between: Fail ", (angle == angle2));
- #endif
- }
- }