test_gaussian.cpp
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00038 #include <gtest/gtest.h>
00039 #include <pcl/common/gaussian.h>
00040 
00041 TEST(PCL, GaussianKernel)
00042 {
00043   Eigen::VectorXf kernel(31);
00044   kernel << 0.000888059f, 0.00158611f, 0.00272177f, 0.00448744f, 0.00710844f, 0.0108188f, 0.0158201f, 0.0222264f, 0.0300025f, 0.0389112f, 0.0484864f, 0.0580487f, 0.0667719f, 0.0737944f, 0.0783576f, 0.0799405f, 0.0783576f, 0.0737944f, 0.0667719f, 0.0580487f, 0.0484864f, 0.0389112f, 0.0300025f, 0.0222264f, 0.0158201f, 0.0108188f, 0.00710844f, 0.00448744f, 0.00272177f, 0.00158611f, 0.000888059f;
00045 
00046   Eigen::VectorXf derivative(35);
00047   derivative << 0.000168673f, 0.000307151f, 0.000535285f, 0.000892304f, 0.00142183f, 0.00216388f, 0.00314209f, 0.00434741f, 0.00572143f, 0.00714516f, 0.00843934f, 0.00938163f, 0.00974186f, 0.0093305f, 0.00804947f, 0.0059307f, 0.00314871f, 0.0f, -0.00314871f, -0.0059307f, -0.00804947f, -0.0093305f, -0.00974186f, -0.00938163f, -0.00843934f, -0.00714516f, -0.00572143f, -0.00434741f, -0.00314209f, -0.00216388f, -0.00142183f, -0.000892304f, -0.000535285f, -0.000307151f, -0.000168673f;
00048   pcl::GaussianKernel gk;
00049   Eigen::VectorXf computed_kernel, computed_derivative;
00050 
00051   // Test kernel only version
00052   gk.compute(5, computed_kernel);
00053   EXPECT_EQ(kernel.size (), computed_kernel.size ());
00054   for(int i = 0; i < kernel.size (); i++)
00055     EXPECT_NEAR(kernel[i], computed_kernel[i], 1e-4);
00056 
00057   // Test kernel and derivative version
00058   gk.compute(5, computed_kernel, computed_derivative);
00059   EXPECT_EQ(kernel.size (), computed_kernel.size ());
00060   for(int i = 0; i < kernel.size (); i++)
00061     EXPECT_NEAR(kernel[i], computed_kernel[i], 1e-4);
00062   EXPECT_EQ(derivative.size (), computed_derivative.size ());
00063   for(int i = 0; i < derivative.size (); i++)
00064     EXPECT_NEAR(derivative[i], computed_derivative[i], 1e-4);
00065 }
00066 
00067 int main (int argc, char** argv)
00068 {
00069   testing::InitGoogleTest (&argc, argv);
00070   return (RUN_ALL_TESTS ());
00071 }


pcl
Author(s): Open Perception
autogenerated on Wed Aug 26 2015 15:34:51