trying out a bunch of toolkits

.gitmodules

@@ -1,3 +1,9 @@
 [submodule "nvpro_core"]
 	path = nvpro_core
 	url = git@github.com:CDaut/nvpro_core.git
+[submodule "utk_experiments/utk"]
+	path = utk_experiments/utk
+	url = git@github.com:utk-team/utk.git
+[submodule "utk_experiments/psa"]
+	path = utk_experiments/psa
+	url = git@github.com:nodag/psa.git

.idea/.name

@@ -1 +1 @@
-targetrdf
+psa

.idea/misc.xml

@@ -3,7 +3,7 @@
   <component name="CMakePythonSetting">
     <option name="pythonIntegrationState" value="YES" />
   </component>
-  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$/targetrdf">
+  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$/utk_experiments/psa">
     <contentRoot DIR="$PROJECT_DIR$" />
   </component>
 </project>

.idea/vcs.xml

@@ -3,5 +3,10 @@
   <component name="VcsDirectoryMappings">
     <mapping directory="" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/nvpro_core" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/utk_experiments/psa" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/utk_experiments/utk" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/utk_experiments/utk/build/_deps/cli11-src" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/utk_experiments/utk/build/_deps/semidiscrete_ot_2d-src" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/utk_experiments/utk/build/_deps/spdlog-src" vcs="Git" />
   </component>
 </project>

flake.nix

@@ -57,12 +57,20 @@
             valgrind
             # general deps
             imgui
+            # calculating fast fourier transforms
+            fftw
+            # psa deps
+            cgal
+            boost
+            cairo
             ] ++ [
                 ## Phython stuff for plotting
                 (python3.withPackages (ps: with ps; with python3Packages; [
                   jupyter
                   ipython
                   matplotlib
+                  numpy
+                  ipympl
                 ]))
             ];
           # TODO: include deps depending on XDG_SESSION_TYPE here (wayland vs X11)s

utk_experiments/CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.20)
+project(utk_tests CXX)
+
+if (CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+    set(CMAKE_CXX_STANDARD 20)
+endif ()
+
+find_package(UTK PATHS ./utk)
+
+set(CMAKE_CXX_FLAGS "-O3 -Wall -Wall -g")
+
+set(SOURCE_FILES
+        main.cpp
+)
+
+set(HEADER_FILES
+
+)
+
+add_executable(${PROJECT_NAME} ${SOURCE_FILES} ${HEADER_FILES})
+target_link_libraries(${PROJECT_NAME} UTK_LIBRARY fftw3)

utk_experiments/main.cpp

@@ -0,0 +1,38 @@
+#include <utk/utils/PointsetIO.hpp>
+#include <utk/utils/Pointset.hpp>
+#include <utk/samplers/SamplerStep.hpp>
+#include <utk/metrics/RadialSpectrum.hpp>
+
+#define DIMENSION 1025
+
+int main()
+{
+  utk::Pointset<long double> points;
+
+  //sample points using heck
+  utk::SamplerStep sampler{
+      0.606,
+      8,
+  };
+
+  std::cout << "generating samples…" << std::endl;
+
+  if(sampler.generateSamples(points, 4096))
+  {
+    std::cout << "computing spectrum…" << std::endl;
+    auto result =  utk::Spectrum{DIMENSION, true}.compute(points);
+
+    write_text_pointset("points.txt", points);
+
+    std::ofstream file;
+    file.open("spectrum.txt");
+
+    file << DIMENSION << std::endl;
+
+    for(auto freq : result)
+    {
+      file << std::setprecision(std::numeric_limits<long double>::digits10 + 2) << std::fixed;
+      file << freq << std::endl;
+    }
+  }
+}

utk_experiments/psa

@@ -0,0 +1 @@
+Subproject commit b042eea7f1dde5b428a225929fb949b8403e82c1

utk_experiments/utk

@@ -0,0 +1 @@
+Subproject commit a12c408ddac03425444c857a725572bfe6fa4837