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Ensure rand() is available, create consistent seed.

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Joseph Lenox 2019-05-17 12:21:50 -05:00 committed by Joseph Lenox
parent 6df833dd79
commit bd575f15c5
1 changed files with 4 additions and 0 deletions
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4
src/test/libslic3r/test_extrusion_entity.cpp
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@ -2,6 +2,7 @@
#include "ExtrusionEntityCollection.hpp" #include "ExtrusionEntityCollection.hpp"
#include "ExtrusionEntity.hpp" #include "ExtrusionEntity.hpp"
#include "Point.hpp" #include "Point.hpp"
#include <cstdlib>
Point random_point(float LO=-50, float HI=50) { Point random_point(float LO=-50, float HI=50) {
float x = LO + static_cast <float> (rand()) /( static_cast <float> (RAND_MAX/(HI-LO))); float x = LO + static_cast <float> (rand()) /( static_cast <float> (RAND_MAX/(HI-LO)));
@ -28,6 +29,9 @@ ExtrusionPaths random_paths(size_t count=10, size_t length=20, float LO=-50, flo
using namespace Slic3r; using namespace Slic3r;
SCENARIO("ExtrusionEntityCollection: Polygon flattening") { SCENARIO("ExtrusionEntityCollection: Polygon flattening") {
srand(0xDEADBEEF); // consistent seed for test reproducibility.
// Generate one specific random path set and save it for later comparison
ExtrusionPaths nosort_path_set {random_paths()}; ExtrusionPaths nosort_path_set {random_paths()};
ExtrusionEntityCollection sub_nosort; ExtrusionEntityCollection sub_nosort;