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Removes rand function usage from tests to avoid non-uniform distributions.

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This was SVN commit r26012.
This commit is contained in:
vladislavbelov
2021-11-25 17:57:59 +00:00
parent 6efa293fd1
commit 809e3ed0bd
5 changed files with 60 additions and 33 deletions
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source/simulation2/components/tests/test_Pathfinder.h
+12 -8
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@@ -32,6 +32,7 @@
#include "simulation2/Simulation2.h"
#include <fstream>
#include <random>
class TestCmpPathfinder : public CxxTest::TestSuite
{
@@ -177,13 +178,15 @@ public:
double t = timer_Time();
srand(1234);
std::mt19937 engine(42);
std::uniform_int_distribution<int> distribution511(0, 511);
std::uniform_int_distribution<int> distribution63(0, 63);
for (size_t j = 0; j < 1024*2; ++j)
{
entity_pos_t x0 = entity_pos_t::FromInt(rand() % 512);
entity_pos_t z0 = entity_pos_t::FromInt(rand() % 512);
entity_pos_t x1 = x0 + entity_pos_t::FromInt(rand() % 64);
entity_pos_t z1 = z0 + entity_pos_t::FromInt(rand() % 64);
entity_pos_t x0 = entity_pos_t::FromInt(distribution511(engine));
entity_pos_t z0 = entity_pos_t::FromInt(distribution511(engine));
entity_pos_t x1 = x0 + entity_pos_t::FromInt(distribution63(engine));
entity_pos_t z1 = z0 + entity_pos_t::FromInt(distribution63(engine));
PathGoal goal = { PathGoal::POINT, x1, z1 };
WaypointPath path;
@@ -208,11 +211,12 @@ public:
CmpPtr<ICmpObstructionManager> cmpObstructionMan(sim2, SYSTEM_ENTITY);
CmpPtr<ICmpPathfinder> cmpPathfinder(sim2, SYSTEM_ENTITY);
srand(0);
std::mt19937 engine(42);
std::uniform_real_distribution<float> distribution01(0.0f, std::nextafter(1.0f, 2.0f));
for (size_t i = 0; i < 200; ++i)
{
fixed x = fixed::FromFloat(1.5f*range.ToFloat() * rand()/(float)RAND_MAX);
fixed z = fixed::FromFloat(1.5f*range.ToFloat() * rand()/(float)RAND_MAX);
fixed x = fixed::FromFloat(1.5f*range.ToFloat() * distribution01(engine));
fixed z = fixed::FromFloat(1.5f*range.ToFloat() * distribution01(engine));
// printf("# %f %f\n", x.ToFloat(), z.ToFloat());
cmpObstructionMan->AddUnitShape(INVALID_ENTITY, x, z, fixed::FromInt(2), 0, INVALID_ENTITY);
}