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Diffstat (limited to 'tests/testVector2d.cpp')
| -rw-r--r-- | tests/testVector2d.cpp | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/tests/testVector2d.cpp b/tests/testVector2d.cpp deleted file mode 100644 index b06edc7..0000000 --- a/tests/testVector2d.cpp +++ /dev/null @@ -1,221 +0,0 @@ -// Copyright (C) 2008-2012 Colin MacDonald
-// No rights reserved: this software is in the public domain.
-
-#include "testUtils.h"
-
-using namespace irr;
-using namespace core;
-
-template<class T>
-static bool compareVectors(const core::vector2d<T> & compare,
- const core::vector2d<T> & with)
-{
- if (!compare.equals(with))
- {
- logTestString("\nERROR: vector2d %.16f, %.16f != vector2d %.16f, %.16f\n",
- (f64)compare.X, (f64)compare.Y, (f64)with.X, (f64)with.Y);
- assert_log(compare == with);
- return false;
- }
-
- return true;
-}
-
-template <class T>
-static bool doTests()
-{
- #define COMPARE_VECTORS(compare, with)\
- if(!compareVectors(compare, with)) return false;
-
- vector2d<T> vec(5, 5);
- vector2d<T> otherVec(10, 20);
- if(!equals(vec.getDistanceFrom(otherVec), (T)15.8113883))
- {
- logTestString("vector2d::getDistanceFrom() failed\n");
- assert_log(0);
- return false;
- }
-
- otherVec = vector2d<T>(1,2);
- otherVec[0] = vec[0];
- otherVec[1] = vec[1];
- if(!vec.equals(otherVec))
- {
- logTestString("vector2d::operator[] failed\n");
- assert_log(0);
- return false;
- }
-
- vec.rotateBy(45); // Test implicit (0, 0) center
- COMPARE_VECTORS(vec, vector2d<T>(0, (T)7.0710678118654755));
-
- vec.normalize();
- COMPARE_VECTORS(vec, vector2d<T>(0, (T)1.0000000461060017));
-
- vec.set(10, 10);
- vector2d<T> center(5, 5);
- vec.rotateBy(-5, center);
- // -5 means rotate clockwise slightly, so expect the X to increase
- // slightly and the Y to decrease slightly.
- COMPARE_VECTORS(vec, vector2d<T>((T)10.416752204197017, (T)9.5451947767204359));
-
- vec.set(5, 5);
- vec.normalize();
- COMPARE_VECTORS(vec, vector2d<T>((T)0.7071068137884140, (T)0.7071068137884140));
-
- vec.set(5, 5);
- otherVec.set(10, 20);
-
- logTestString("vector2d interpolation\n");
- vector2d<T> interpolated;
- (void)interpolated.interpolate(vec, otherVec, 0.f);
- COMPARE_VECTORS(interpolated, otherVec); // 0.f means all the second vector
-
- (void)interpolated.interpolate(vec, otherVec, 0.25f);
- COMPARE_VECTORS(interpolated, vector2d<T>((T)8.75, (T)16.25));
-
- (void)interpolated.interpolate(vec, otherVec, 0.75f);
- COMPARE_VECTORS(interpolated, vector2d<T>((T)6.25, (T)8.75));
-
- (void)interpolated.interpolate(vec, otherVec, 1.f);
- COMPARE_VECTORS(interpolated, vec); // 1.f means all the first vector
-
-
- interpolated = vec.getInterpolated(otherVec, 0.f);
- COMPARE_VECTORS(interpolated, otherVec); // 0.f means all the second vector
-
- interpolated = vec.getInterpolated(otherVec, 0.25f);
- COMPARE_VECTORS(interpolated, vector2d<T>((T)8.75, (T)16.25));
-
- interpolated = vec.getInterpolated(otherVec, 0.75f);
- COMPARE_VECTORS(interpolated, vector2d<T>((T)6.25, (T)8.75));
-
- interpolated = vec.getInterpolated(otherVec, 1.f);
- COMPARE_VECTORS(interpolated, vec); // 1.f means all the first vector
-
-
- logTestString("vector2d quadratic interpolation\n");
- vector2d<T> thirdVec(20, 10);
- interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.f);
- COMPARE_VECTORS(interpolated, vec); // 0.f means all the 1st vector
-
- interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.25f);
- COMPARE_VECTORS(interpolated, vector2d<T>((T)7.8125, (T)10.9375));
-
- interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.5f);
- COMPARE_VECTORS(interpolated, vector2d<T>((T)11.25, (T)13.75));
-
- interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.75f);
- COMPARE_VECTORS(interpolated, vector2d<T>((T)15.3125, (T)13.4375));
-
- interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 1.f);
- COMPARE_VECTORS(interpolated, thirdVec); // 1.f means all the 3rd vector
-
- // check if getAngle returns values matching those of the double precision version
- logTestString("vector2d getAngle\n");
- for (s32 i=0; i<200; ++i)
- {
- core::vector2d<T> tmp((T)-1, (T)(-100+i));
- core::vector2d<f64> ref(-1, -100+i);
- if (!equals(tmp.getAngle(),ref.getAngle(), 0.0003))
- {
- logTestString("\nERROR: angle %.16f != angle %.16f\n",
- tmp.getAngle(), ref.getAngle());
- return false;
- }
- f32 val = atan2f((float)tmp.Y, (float)tmp.X)*core::RADTODEG;
- if (val<=0)
- val=-val;
- else
- val=360-val;
- if (!equals((f32)tmp.getAngle(),val, 0.5f))
- {
- logTestString("\nERROR: angle %.16f != atan2 %.16f\n vector %.16f, %.16f\n",
- tmp.getAngle(), val, tmp.X, tmp.Y);
- return false;
- }
- tmp = core::vector2d<T>((T)1, (T)(-100+i));
- ref = core::vector2d<f64>(1, -100+i);
- if (!equals(tmp.getAngle(),ref.getAngle(), 0.0003))
- {
- logTestString("\nERROR: angle %.16f != angle %.16f\n",
- tmp.getAngle(), ref.getAngle());
- return false;
- }
- val = atan2f((f32)tmp.Y, (f32)tmp.X)*core::RADTODEG;
- if (val<=0)
- val=-val;
- else
- val=360-val;
- if (!equals((f32)tmp.getAngle(),val, 0.5f))
- {
- logTestString("\nERROR: angle %.16f != atan2 %.16f\n vector %.16f, %.16f\n",
- tmp.getAngle(), val, tmp.X, tmp.Y);
- return false;
- }
- }
- core::vector2d<T> tmp(0, -100);
- core::vector2d<f64> ref(0, -100);
- if (!equals(tmp.getAngle(),ref.getAngle()))
- {
- logTestString("\nERROR: angle %.16f != angle %.16f\n",
- tmp.getAngle(), ref.getAngle());
- return false;
- }
- tmp = core::vector2d<T>(0, 100);
- ref = core::vector2d<f64>(0, 100);
- if (!equals(tmp.getAngle(),ref.getAngle()))
- {
- logTestString("\nERROR: angle %.16f != angle %.16f\n",
- tmp.getAngle(), ref.getAngle());
- return false;
- }
- tmp = core::vector2d<T>(static_cast<T>(-1.53080559e-16), static_cast<T>(2.49999523));
- ref = core::vector2d<f64>(-1.53080559e-16, 2.49999523);
- if (!equals(tmp.getAngle(),ref.getAngle()))
- {
- logTestString("\nERROR: angle %.16f != angle %.16f\n",
- tmp.getAngle(), ref.getAngle());
- return false;
- }
-
- core::vector2d<T> zeroZero(0, 0);
- core::vector2d<T> oneOne(1, 1);
- // Check if comparing (0.0, 0.0) with (1.0, 1.0) returns false.
- if(zeroZero == oneOne)
- {
- logTestString("\nERROR: vector2d %.16f, %.16f == vector2d %.16f, %.16f\n",
- (f64)zeroZero.X, (f64)zeroZero.Y, (f64)oneOne.X, (f64)oneOne.Y);
- return false;
- }
-
- return true;
-}
-
-/** Test the functionality of vector2d<T>, particularly methods that
- involve calculations done using different precision than <T>.
- Note that all reference vector2d<T>s are creating using double precision
- values cast to (T), as we need to test <f64>. */
-bool testVector2d(void)
-{
- bool f32Success = doTests<f32>();
- if(f32Success)
- logTestString("vector2df tests passed\n\n");
- else
- logTestString("\n*** vector2df tests failed ***\n\n");
-
- bool f64Success = doTests<f64>();
- if(f64Success)
- logTestString("vector2d<f64> tests passed\n\n");
- else
- logTestString("\n*** vector2d<f64> tests failed ***\n\n");
-
- bool s32Success = doTests<s32>();
- if(s32Success)
- logTestString("vector2di tests passed\n\n");
- else
- logTestString("\n*** vector2di tests failed ***\n\n");
-
- return f32Success && f64Success && s32Success;
-}
-
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