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/**
* @file v4math_test.cpp
* @author Adroit
* @date 2007-03
* @brief v4math test cases.
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "../test/lltut.h"
#include "llsd.h"
#include "../m4math.h"
#include "../v4math.h"
#include "../llquaternion.h"
namespace tut
{
struct v4math_data
{
};
typedef test_group<v4math_data> v4math_test;
typedef v4math_test::object v4math_object;
tut::v4math_test v4math_testcase("v4math_h");
template<> template<>
void v4math_object::test<1>()
{
LLVector4 vec4;
ensure("1:LLVector4:Fail to initialize " ,((0 == vec4.mV[VX]) && (0 == vec4.mV[VY]) && (0 == vec4.mV[VZ])&& (1.0f == vec4.mV[VW])));
F32 x = 10.f, y = -2.3f, z = -.023f, w = -2.0f;
LLVector4 vec4a(x,y,z);
ensure("2:LLVector4:Fail to initialize " ,((x == vec4a.mV[VX]) && (y == vec4a.mV[VY]) && (z == vec4a.mV[VZ])&& (1.0f == vec4a.mV[VW])));
LLVector4 vec4b(x,y,z,w);
ensure("3:LLVector4:Fail to initialize " ,((x == vec4b.mV[VX]) && (y == vec4b.mV[VY]) && (z == vec4b.mV[VZ])&& (w == vec4b.mV[VW])));
const F32 vec[4] = {.112f ,23.2f, -4.2f, -.0001f};
LLVector4 vec4c(vec);
ensure("4:LLVector4:Fail to initialize " ,((vec[0] == vec4c.mV[VX]) && (vec[1] == vec4c.mV[VY]) && (vec[2] == vec4c.mV[VZ])&& (vec[3] == vec4c.mV[VW])));
LLVector3 vec3(-2.23f,1.01f,42.3f);
LLVector4 vec4d(vec3);
ensure("5:LLVector4:Fail to initialize " ,((vec3.mV[VX] == vec4d.mV[VX]) && (vec3.mV[VY] == vec4d.mV[VY]) && (vec3.mV[VZ] == vec4d.mV[VZ])&& (1.f == vec4d.mV[VW])));
F32 w1 = -.234f;
LLVector4 vec4e(vec3,w1);
ensure("6:LLVector4:Fail to initialize " ,((vec3.mV[VX] == vec4e.mV[VX]) && (vec3.mV[VY] == vec4e.mV[VY]) && (vec3.mV[VZ] == vec4e.mV[VZ])&& (w1 == vec4e.mV[VW])));
}
template<> template<>
void v4math_object::test<2>()
{
F32 x = 10.f, y = -2.3f, z = -.023f, w = -2.0f;
LLVector4 vec4;
vec4.setVec(x,y,z);
ensure("1:setVec:Fail to initialize " ,((x == vec4.mV[VX]) && (y == vec4.mV[VY]) && (z == vec4.mV[VZ])&& (1.0f == vec4.mV[VW])));
vec4.clearVec();
ensure("2:clearVec:Fail " ,((0 == vec4.mV[VX]) && (0 == vec4.mV[VY]) && (0 == vec4.mV[VZ])&& (1.0f == vec4.mV[VW])));
vec4.setVec(x,y,z,w);
ensure("3:setVec:Fail to initialize " ,((x == vec4.mV[VX]) && (y == vec4.mV[VY]) && (z == vec4.mV[VZ])&& (w == vec4.mV[VW])));
vec4.zeroVec();
ensure("4:zeroVec:Fail " ,((0 == vec4.mV[VX]) && (0 == vec4.mV[VY]) && (0 == vec4.mV[VZ])&& (0 == vec4.mV[VW])));
LLVector3 vec3(-2.23f,1.01f,42.3f);
vec4.clearVec();
vec4.setVec(vec3);
ensure("5:setVec:Fail to initialize " ,((vec3.mV[VX] == vec4.mV[VX]) && (vec3.mV[VY] == vec4.mV[VY]) && (vec3.mV[VZ] == vec4.mV[VZ])&& (1.f == vec4.mV[VW])));
F32 w1 = -.234f;
vec4.zeroVec();
vec4.setVec(vec3,w1);
ensure("6:setVec:Fail to initialize " ,((vec3.mV[VX] == vec4.mV[VX]) && (vec3.mV[VY] == vec4.mV[VY]) && (vec3.mV[VZ] == vec4.mV[VZ])&& (w1 == vec4.mV[VW])));
const F32 vec[4] = {.112f ,23.2f, -4.2f, -.0001f};
LLVector4 vec4a;
vec4a.setVec(vec);
ensure("7:setVec:Fail to initialize " ,((vec[0] == vec4a.mV[VX]) && (vec[1] == vec4a.mV[VY]) && (vec[2] == vec4a.mV[VZ])&& (vec[3] == vec4a.mV[VW])));
}
template<> template<>
void v4math_object::test<3>()
{
F32 x = 10.f, y = -2.3f, z = -.023f;
LLVector4 vec4(x,y,z);
ensure("magVec:Fail ", is_approx_equal(vec4.magVec(), (F32) sqrt(x*x + y*y + z*z)));
ensure("magVecSquared:Fail ", is_approx_equal(vec4.magVecSquared(), (x*x + y*y + z*z)));
}
template<> template<>
void v4math_object::test<4>()
{
F32 x = 10.f, y = -2.3f, z = -.023f;
LLVector4 vec4(x,y,z);
F32 mag = vec4.normVec();
mag = 1.f/ mag;
ensure("1:normVec: Fail " ,is_approx_equal(mag*x,vec4.mV[VX]) && is_approx_equal(mag*y, vec4.mV[VY])&& is_approx_equal(mag*z, vec4.mV[VZ]));
x = 0.000000001f, y = 0.000000001f, z = 0.000000001f;
vec4.clearVec();
vec4.setVec(x,y,z);
mag = vec4.normVec();
ensure("2:normVec: Fail " ,is_approx_equal(mag*x,vec4.mV[VX]) && is_approx_equal(mag*y, vec4.mV[VY])&& is_approx_equal(mag*z, vec4.mV[VZ]));
}
template<> template<>
void v4math_object::test<5>()
{
F32 x = 10.f, y = -2.3f, z = -.023f, w = -2.0f;
LLVector4 vec4(x,y,z,w);
vec4.abs();
ensure("abs:Fail " ,((x == vec4.mV[VX]) && (-y == vec4.mV[VY]) && (-z == vec4.mV[VZ])&& (-w == vec4.mV[VW])));
vec4.clearVec();
ensure("isExactlyClear:Fail " ,(TRUE == vec4.isExactlyClear()));
vec4.zeroVec();
ensure("isExactlyZero:Fail " ,(TRUE == vec4.isExactlyZero()));
}
template<> template<>
void v4math_object::test<6>()
{
F32 x = 10.f, y = -2.3f, z = -.023f, w = -2.0f;
LLVector4 vec4(x,y,z,w),vec4a;
vec4a = vec4.scaleVec(vec4);
ensure("scaleVec:Fail " ,(is_approx_equal(x*x, vec4a.mV[VX]) && is_approx_equal(y*y, vec4a.mV[VY]) && is_approx_equal(z*z, vec4a.mV[VZ])&& is_approx_equal(w*w, vec4a.mV[VW])));
}
template<> template<>
void v4math_object::test<7>()
{
F32 x = 10.f, y = -2.3f, z = -.023f, w = -2.0f;
LLVector4 vec4(x,y,z,w);
ensure("1:operator [] failed " ,( x == vec4[0]));
ensure("2:operator [] failed " ,( y == vec4[1]));
ensure("3:operator [] failed " ,( z == vec4[2]));
ensure("4:operator [] failed " ,( w == vec4[3]));
x = 23.f, y = -.2361f, z = 3.25;
vec4.setVec(x,y,z);
F32 &ref1 = vec4[0];
ensure("5:operator [] failed " ,( ref1 == vec4[0]));
F32 &ref2 = vec4[1];
ensure("6:operator [] failed " ,( ref2 == vec4[1]));
F32 &ref3 = vec4[2];
ensure("7:operator [] failed " ,( ref3 == vec4[2]));
F32 &ref4 = vec4[3];
ensure("8:operator [] failed " ,( ref4 == vec4[3]));
}
template<> template<>
void v4math_object::test<8>()
{
F32 x = 10.f, y = -2.3f, z = -.023f, w = -2.0f;
const F32 val[16] = {
1.f, 2.f, 3.f, 0.f,
.34f, .1f, -.5f, 0.f,
2.f, 1.23f, 1.234f, 0.f,
.89f, 0.f, 0.f, 0.f
};
LLMatrix4 mat(val);
LLVector4 vec4(x,y,z,w),vec4a;
vec4.rotVec(mat);
vec4a.setVec(x,y,z,w);
vec4a.rotVec(mat);
ensure_equals("1:rotVec: Fail " ,vec4a, vec4);
F32 a = 2.32f, b = -23.2f, c = -34.1112f, d = 1.010112f;
LLQuaternion q(a,b,c,d);
LLVector4 vec4b(a,b,c,d),vec4c;
vec4b.rotVec(q);
vec4c.setVec(a, b, c, d);
vec4c.rotVec(q);
ensure_equals("2:rotVec: Fail " ,vec4b, vec4c);
}
template<> template<>
void v4math_object::test<9>()
{
F32 x = 10.f, y = -2.3f, z = -.023f, w = -2.0f;
LLVector4 vec4(x,y,z,w),vec4a;;
std::ostringstream stream1, stream2;
stream1 << vec4;
vec4a.setVec(x,y,z,w);
stream2 << vec4a;
ensure("operator << failed",(stream1.str() == stream2.str()));
}
template<> template<>
void v4math_object::test<10>()
{
F32 x1 = 1.f, y1 = 2.f, z1 = -1.1f, w1 = .23f;
F32 x2 = 1.2f, y2 = 2.5f, z2 = 1.f, w2 = 1.3f;
LLVector4 vec4(x1,y1,z1,w1),vec4a(x2,y2,z2,w2),vec4b;
vec4b = vec4a + vec4;
ensure("1:operator+:Fail to initialize " ,(is_approx_equal(x1+x2,vec4b.mV[VX]) && is_approx_equal(y1+y2,vec4b.mV[VY]) && is_approx_equal(z1+z2,vec4b.mV[VZ])));
x1 = -2.45f, y1 = 2.1f, z1 = 3.0f;
vec4.clearVec();
vec4a.clearVec();
vec4.setVec(x1,y1,z1);
vec4a +=vec4;
ensure_equals("2:operator+=: Fail to initialize", vec4a,vec4);
vec4a += vec4;
ensure("3:operator+=:Fail to initialize " ,(is_approx_equal(2*x1,vec4a.mV[VX]) && is_approx_equal(2*y1,vec4a.mV[VY]) && is_approx_equal(2*z1,vec4a.mV[VZ])));
}
template<> template<>
void v4math_object::test<11>()
{
F32 x1 = 1.f, y1 = 2.f, z1 = -1.1f, w1 = .23f;
F32 x2 = 1.2f, y2 = 2.5f, z2 = 1.f, w2 = 1.3f;
LLVector4 vec4(x1,y1,z1,w1),vec4a(x2,y2,z2,w2),vec4b;
vec4b = vec4a - vec4;
ensure("1:operator-:Fail to initialize " ,(is_approx_equal(x2-x1,vec4b.mV[VX]) && is_approx_equal(y2-y1,vec4b.mV[VY]) && is_approx_equal(z2-z1,vec4b.mV[VZ])));
x1 = -2.45f, y1 = 2.1f, z1 = 3.0f;
vec4.clearVec();
vec4a.clearVec();
vec4.setVec(x1,y1,z1);
vec4a -=vec4;
ensure_equals("2:operator-=: Fail to initialize" , vec4a,-vec4);
vec4a -=vec4;
ensure("3:operator-=:Fail to initialize " ,(is_approx_equal(-2*x1,vec4a.mV[VX]) && is_approx_equal(-2*y1,vec4a.mV[VY]) && is_approx_equal(-2*z1,vec4a.mV[VZ])));
}
template<> template<>
void v4math_object::test<12>()
{
F32 x1 = 1.f, y1 = 2.f, z1 = -1.1f;
F32 x2 = 1.2f, y2 = 2.5f, z2 = 1.f;
LLVector4 vec4(x1,y1,z1),vec4a(x2,y2,z2);
F32 res = vec4 * vec4a;
ensure("1:operator* failed " ,is_approx_equal(res, x1*x2 + y1*y2 + z1*z2));
vec4a.clearVec();
F32 mulVal = 4.2f;
vec4a = vec4 * mulVal;
ensure("2:operator* failed " ,is_approx_equal(x1*mulVal,vec4a.mV[VX]) && is_approx_equal(y1*mulVal, vec4a.mV[VY])&& is_approx_equal(z1*mulVal, vec4a.mV[VZ]));
vec4a.clearVec();
vec4a = mulVal * vec4 ;
ensure("3:operator* failed " ,is_approx_equal(x1*mulVal, vec4a.mV[VX]) && is_approx_equal(y1*mulVal, vec4a.mV[VY])&& is_approx_equal(z1*mulVal, vec4a.mV[VZ]));
vec4 *= mulVal;
ensure("4:operator*= failed " ,is_approx_equal(x1*mulVal, vec4.mV[VX]) && is_approx_equal(y1*mulVal, vec4.mV[VY])&& is_approx_equal(z1*mulVal, vec4.mV[VZ]));
}
template<> template<>
void v4math_object::test<13>()
{
F32 x1 = 1.f, y1 = 2.f, z1 = -1.1f;
F32 x2 = 1.2f, y2 = 2.5f, z2 = 1.f;
LLVector4 vec4(x1,y1,z1),vec4a(x2,y2,z2),vec4b;
vec4b = vec4 % vec4a;
ensure("1:operator% failed " ,is_approx_equal(y1*z2 - y2*z1, vec4b.mV[VX]) && is_approx_equal(z1*x2 -z2*x1, vec4b.mV[VY]) && is_approx_equal(x1*y2-x2*y1, vec4b.mV[VZ]));
vec4 %= vec4a;
ensure_equals("operator%= failed " ,vec4,vec4b);
}
template<> template<>
void v4math_object::test<14>()
{
F32 x = 1.f, y = 2.f, z = -1.1f,div = 4.2f;
F32 t = 1.f / div;
LLVector4 vec4(x,y,z), vec4a;
vec4a = vec4/div;
ensure("1:operator/ failed " ,is_approx_equal(x*t, vec4a.mV[VX]) && is_approx_equal(y*t, vec4a.mV[VY])&& is_approx_equal(z*t, vec4a.mV[VZ]));
x = 1.23f, y = 4.f, z = -2.32f;
vec4.clearVec();
vec4a.clearVec();
vec4.setVec(x,y,z);
vec4a = vec4/div;
ensure("2:operator/ failed " ,is_approx_equal(x*t, vec4a.mV[VX]) && is_approx_equal(y*t, vec4a.mV[VY])&& is_approx_equal(z*t, vec4a.mV[VZ]));
vec4 /= div;
ensure("3:operator/ failed " ,is_approx_equal(x*t, vec4.mV[VX]) && is_approx_equal(y*t, vec4.mV[VY])&& is_approx_equal(z*t, vec4.mV[VZ]));
}
template<> template<>
void v4math_object::test<15>()
{
F32 x = 1.f, y = 2.f, z = -1.1f;
LLVector4 vec4(x,y,z), vec4a;
ensure("operator!= failed " ,(vec4 != vec4a));
vec4a = vec4;
ensure("operator== failed " ,(vec4 ==vec4a));
}
template<> template<>
void v4math_object::test<16>()
{
F32 x = 1.f, y = 2.f, z = -1.1f;
LLVector4 vec4(x,y,z), vec4a;
vec4a = - vec4;
ensure("operator- failed " , (vec4 == - vec4a));
}
template<> template<>
void v4math_object::test<17>()
{
F32 x = 1.f, y = 2.f, z = -1.1f,epsilon = .23425f;
LLVector4 vec4(x,y,z), vec4a(x,y,z);
ensure("1:are_parallel: Fail " ,(TRUE == are_parallel(vec4a,vec4,epsilon)));
x = 21.f, y = 12.f, z = -123.1f;
vec4a.clearVec();
vec4a.setVec(x,y,z);
ensure("2:are_parallel: Fail " ,(FALSE == are_parallel(vec4a,vec4,epsilon)));
}
template<> template<>
void v4math_object::test<18>()
{
F32 x = 1.f, y = 2.f, z = -1.1f;
F32 angle1, angle2;
LLVector4 vec4(x,y,z), vec4a(x,y,z);
angle1 = angle_between(vec4, vec4a);
vec4.normVec();
vec4a.normVec();
angle2 = acos(vec4 * vec4a);
ensure_approximately_equals("1:angle_between: Fail " ,angle1,angle2,8);
F32 x1 = 21.f, y1 = 2.23f, z1 = -1.1f;
LLVector4 vec4b(x,y,z), vec4c(x1,y1,z1);
angle1 = angle_between(vec4b, vec4c);
vec4b.normVec();
vec4c.normVec();
angle2 = acos(vec4b * vec4c);
ensure_approximately_equals("2:angle_between: Fail " ,angle1,angle2,8);
}
template<> template<>
void v4math_object::test<19>()
{
F32 x1 =-2.3f, y1 = 2.f,z1 = 1.2f, x2 = 1.3f, y2 = 1.f, z2 = 1.f;
F32 val1,val2;
LLVector4 vec4(x1,y1,z1),vec4a(x2,y2,z2);
val1 = dist_vec(vec4,vec4a);
val2 = (F32) sqrt((x1 - x2)*(x1 - x2) + (y1 - y2)* (y1 - y2) + (z1 - z2)* (z1 -z2));
ensure_equals("dist_vec: Fail ",val2, val1);
val1 = dist_vec_squared(vec4,vec4a);
val2 =((x1 - x2)*(x1 - x2) + (y1 - y2)* (y1 - y2) + (z1 - z2)* (z1 -z2));
ensure_equals("dist_vec_squared: Fail ",val2, val1);
}
template<> template<>
void v4math_object::test<20>()
{
F32 x1 =-2.3f, y1 = 2.f,z1 = 1.2f, w1 = -.23f, x2 = 1.3f, y2 = 1.f, z2 = 1.f,w2 = .12f;
F32 val = 2.3f,val1,val2,val3,val4;
LLVector4 vec4(x1,y1,z1,w1),vec4a(x2,y2,z2,w2);
val1 = x1 + (x2 - x1)* val;
val2 = y1 + (y2 - y1)* val;
val3 = z1 + (z2 - z1)* val;
val4 = w1 + (w2 - w1)* val;
LLVector4 vec4b = lerp(vec4,vec4a,val);
LLVector4 check(val1, val2, val3, val4);
ensure_equals("lerp failed", check, vec4b);
}
template<> template<>
void v4math_object::test<21>()
{
F32 x = 1.f, y = 2.f, z = -1.1f;
LLVector4 vec4(x,y,z);
LLVector3 vec3 = vec4to3(vec4);
ensure("vec4to3 failed", ((x == vec3.mV[VX])&& (y == vec3.mV[VY]) && (z == vec3.mV[VZ])));
LLVector4 vec4a = vec3to4(vec3);
ensure_equals("vec3to4 failed",vec4a,vec4);
}
template<> template<>
void v4math_object::test<22>()
{
F32 x = 1.f, y = 2.f, z = -1.1f;
LLVector4 vec4(x,y,z);
LLSD llsd = vec4.getValue();
LLVector3 vec3(llsd);
LLVector4 vec4a = vec3to4(vec3);
ensure_equals("getValue failed",vec4a,vec4);
}
}
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