mirror of
				https://github.com/gnss-sdr/gnss-sdr
				synced 2025-10-31 15:23:04 +00:00 
			
		
		
		
	Merge branch 'next' of https://github.com/gnss-sdr/gnss-sdr into next
This commit is contained in:
		| @@ -32,7 +32,6 @@ Checks: '-*, | ||||
|         performance-inefficient-algorithm, | ||||
|         performance-move-const-arg, | ||||
|         performance-type-promotion-in-math-fn, | ||||
|         performance-unnecessary-copy-initialization, | ||||
|         performance-unnecessary-value-param, | ||||
|         readability-container-size-empty, | ||||
|         readability-identifier-naming, | ||||
|   | ||||
							
								
								
									
										200
									
								
								CMakeLists.txt
									
									
									
									
									
								
							
							
						
						
									
										200
									
								
								CMakeLists.txt
									
									
									
									
									
								
							| @@ -295,6 +295,12 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") | ||||
|     set(OS_IS_MACOSX TRUE) | ||||
|     execute_process(COMMAND uname -v OUTPUT_VARIABLE DARWIN_VERSION) | ||||
|     string(REGEX MATCH "[0-9]+" DARWIN_VERSION ${DARWIN_VERSION}) | ||||
|     if(${DARWIN_VERSION} MATCHES "19") | ||||
|         set(MACOS_CATALINA TRUE) | ||||
|         set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++14") | ||||
|         set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++") | ||||
|         message(STATUS "Configuring GNSS-SDR v${VERSION} to be built on macOS Catalina 10.15") | ||||
|     endif() | ||||
|     if(${DARWIN_VERSION} MATCHES "18") | ||||
|         set(MACOS_MOJAVE TRUE) | ||||
|         set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++14") | ||||
| @@ -468,7 +474,7 @@ endif() | ||||
|  | ||||
|  | ||||
| ################################################################################ | ||||
| # Set C and C++ standard | ||||
| # Set minimal C and C++ standards | ||||
| ################################################################################ | ||||
| if(NOT (CMAKE_VERSION VERSION_LESS "3.1")) | ||||
|     set(CMAKE_C_STANDARD 11) | ||||
| @@ -484,7 +490,7 @@ else() | ||||
|         endif() | ||||
|     endif() | ||||
|     if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") | ||||
|         if(OS_IS_MACOSX) | ||||
|         if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang") | ||||
|             if(CLANG_VERSION VERSION_LESS "600") | ||||
|                 add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:-std=c++11>") | ||||
|             else() | ||||
| @@ -623,132 +629,6 @@ set_package_properties(GNURADIO PROPERTIES | ||||
|     PURPOSE "Implements flowgraph scheduler, provides some processing blocks and classes to create new ones." | ||||
|     TYPE REQUIRED | ||||
| ) | ||||
| if(GNURADIO_VERSION) | ||||
|     if(GNURADIO_VERSION VERSION_LESS ${GNSSSDR_GNURADIO_MIN_VERSION}) | ||||
|         unset(GNURADIO_RUNTIME_FOUND) | ||||
|         message(STATUS "The GNU Radio version installed in your system (v${GNURADIO_VERSION}) is too old.") | ||||
|     endif() | ||||
| endif() | ||||
| if(NOT GNURADIO_RUNTIME_FOUND) | ||||
|     message(STATUS "CMake cannot find GNU Radio >= ${GNSSSDR_GNURADIO_MIN_VERSION}") | ||||
|     if(OS_IS_LINUX) | ||||
|         message("Go to https://github.com/gnuradio/pybombs") | ||||
|         message("and follow the instructions to install GNU Radio in your system.") | ||||
|     endif() | ||||
|     if(OS_IS_MACOSX) | ||||
|         message("You can install it easily via Macports:") | ||||
|         message("  sudo port install gnuradio ") | ||||
|         message("Alternatively, you can use homebrew:") | ||||
|         message("  brew install gnuradio") | ||||
|     endif() | ||||
|     message(FATAL_ERROR "GNU Radio v${GNSSSDR_GNURADIO_MIN_VERSION} or later is required to build gnss-sdr.") | ||||
| else() | ||||
|     if(NOT TARGET Gnuradio::runtime) | ||||
|         add_library(Gnuradio::runtime SHARED IMPORTED) | ||||
|         list(GET GNURADIO_RUNTIME_LIBRARIES 0 FIRST_DIR) | ||||
|         get_filename_component(GNURADIO_RUNTIME_DIR ${FIRST_DIR} ABSOLUTE) | ||||
|         set_target_properties(Gnuradio::runtime PROPERTIES | ||||
|             IMPORTED_LINK_INTERFACE_LANGUAGES "CXX" | ||||
|             IMPORTED_LOCATION "${GNURADIO_RUNTIME_DIR}" | ||||
|             INTERFACE_INCLUDE_DIRECTORIES "${GNURADIO_RUNTIME_INCLUDE_DIRS}" | ||||
|             INTERFACE_LINK_LIBRARIES "${GNURADIO_RUNTIME_LIBRARIES}" | ||||
|         ) | ||||
|     endif() | ||||
| endif() | ||||
|  | ||||
| if(NOT GNURADIO_ANALOG_FOUND) | ||||
|     message(FATAL_ERROR "*** The gnuradio-analog library v${GNSSSDR_GNURADIO_MIN_VERSION} or later is required to build gnss-sdr") | ||||
| else() | ||||
|     if(NOT TARGET Gnuradio::analog) | ||||
|         add_library(Gnuradio::analog SHARED IMPORTED) | ||||
|         list(GET GNURADIO_ANALOG_LIBRARIES 0 FIRST_DIR) | ||||
|         get_filename_component(GNURADIO_ANALOG_DIR ${FIRST_DIR} ABSOLUTE) | ||||
|         set_target_properties(Gnuradio::analog PROPERTIES | ||||
|             IMPORTED_LINK_INTERFACE_LANGUAGES "CXX" | ||||
|             IMPORTED_LOCATION "${GNURADIO_ANALOG_DIR}" | ||||
|             INTERFACE_INCLUDE_DIRECTORIES "${GNURADIO_ANALOG_INCLUDE_DIRS}" | ||||
|             INTERFACE_LINK_LIBRARIES "${GNURADIO_ANALOG_LIBRARIES}" | ||||
|         ) | ||||
|     endif() | ||||
| endif() | ||||
|  | ||||
| if(NOT GNURADIO_BLOCKS_FOUND) | ||||
|     message(FATAL_ERROR "*** The gnuradio-blocks library v${GNSSSDR_GNURADIO_MIN_VERSION} or later is required to build gnss-sdr") | ||||
| else() | ||||
|     if(NOT TARGET Gnuradio::blocks) | ||||
|         add_library(Gnuradio::blocks SHARED IMPORTED) | ||||
|         list(GET GNURADIO_BLOCKS_LIBRARIES 0 FIRST_DIR) | ||||
|         get_filename_component(GNURADIO_BLOCKS_DIR ${FIRST_DIR} ABSOLUTE) | ||||
|         set_target_properties(Gnuradio::blocks PROPERTIES | ||||
|             IMPORTED_LINK_INTERFACE_LANGUAGES "CXX" | ||||
|             IMPORTED_LOCATION "${GNURADIO_BLOCKS_DIR}" | ||||
|             INTERFACE_INCLUDE_DIRECTORIES "${GNURADIO_BLOCKS_INCLUDE_DIRS}" | ||||
|             INTERFACE_LINK_LIBRARIES "${GNURADIO_BLOCKS_LIBRARIES}" | ||||
|         ) | ||||
|     endif() | ||||
| endif() | ||||
|  | ||||
| if(NOT GNURADIO_FILTER_FOUND) | ||||
|     message(FATAL_ERROR "*** The gnuradio-filter library v${GNSSSDR_GNURADIO_MIN_VERSION} or later is required to build gnss-sdr") | ||||
| else() | ||||
|     if(NOT TARGET Gnuradio::filter) | ||||
|         add_library(Gnuradio::filter SHARED IMPORTED) | ||||
|         list(GET GNURADIO_FILTER_LIBRARIES 0 FIRST_DIR) | ||||
|         get_filename_component(GNURADIO_FILTER_DIR ${FIRST_DIR} ABSOLUTE) | ||||
|         set_target_properties(Gnuradio::filter PROPERTIES | ||||
|             IMPORTED_LINK_INTERFACE_LANGUAGES "CXX" | ||||
|             IMPORTED_LOCATION "${GNURADIO_FILTER_DIR}" | ||||
|             INTERFACE_INCLUDE_DIRECTORIES "${GNURADIO_FILTER_INCLUDE_DIRS}" | ||||
|             INTERFACE_LINK_LIBRARIES "${GNURADIO_FILTER_LIBRARIES}" | ||||
|         ) | ||||
|     endif() | ||||
| endif() | ||||
|  | ||||
| if(NOT GNURADIO_FFT_FOUND) | ||||
|     message(FATAL_ERROR "*** The gnuradio-fft library v${GNSSSDR_GNURADIO_MIN_VERSION} or later is required to build gnss-sdr") | ||||
| else() | ||||
|     if(NOT TARGET Gnuradio::fft) | ||||
|         add_library(Gnuradio::fft SHARED IMPORTED) | ||||
|         list(GET GNURADIO_FFT_LIBRARIES 0 FIRST_DIR) | ||||
|         get_filename_component(GNURADIO_FFT_DIR ${FIRST_DIR} ABSOLUTE) | ||||
|         set_target_properties(Gnuradio::fft PROPERTIES | ||||
|             IMPORTED_LINK_INTERFACE_LANGUAGES "CXX" | ||||
|             IMPORTED_LOCATION "${GNURADIO_FFT_DIR}" | ||||
|             INTERFACE_INCLUDE_DIRECTORIES "${GNURADIO_FFT_INCLUDE_DIRS}" | ||||
|             INTERFACE_LINK_LIBRARIES "${GNURADIO_FFT_LIBRARIES}" | ||||
|         ) | ||||
|     endif() | ||||
| endif() | ||||
|  | ||||
| if(NOT GNURADIO_PMT_FOUND) | ||||
|     message(FATAL_ERROR "*** The gnuradio-pmt library v${GNSSSDR_GNURADIO_MIN_VERSION} or later is required to build gnss-sdr") | ||||
| else() | ||||
|     if(NOT TARGET Gnuradio::pmt) | ||||
|         add_library(Gnuradio::pmt SHARED IMPORTED) | ||||
|         list(GET GNURADIO_PMT_LIBRARIES 0 FIRST_DIR) | ||||
|         get_filename_component(GNURADIO_PMT_DIR ${FIRST_DIR} ABSOLUTE) | ||||
|         set_target_properties(Gnuradio::pmt PROPERTIES | ||||
|             IMPORTED_LINK_INTERFACE_LANGUAGES "CXX" | ||||
|             IMPORTED_LOCATION "${GNURADIO_PMT_DIR}" | ||||
|             INTERFACE_INCLUDE_DIRECTORIES "${GNURADIO_PMT_INCLUDE_DIRS}" | ||||
|             INTERFACE_LINK_LIBRARIES "${GNURADIO_PMT_LIBRARIES}" | ||||
|         ) | ||||
|     endif() | ||||
| endif() | ||||
|  | ||||
| if(ENABLE_UHD AND UHD_FOUND AND GNURADIO_UHD_FOUND) | ||||
|     if(NOT TARGET Gnuradio::uhd) | ||||
|         add_library(Gnuradio::uhd SHARED IMPORTED) | ||||
|         list(GET GNURADIO_UHD_LIBRARIES 0 FIRST_DIR) | ||||
|         get_filename_component(GNURADIO_UHD_DIR ${FIRST_DIR} ABSOLUTE) | ||||
|         set_target_properties(Gnuradio::uhd PROPERTIES | ||||
|             IMPORTED_LINK_INTERFACE_LANGUAGES "CXX" | ||||
|             IMPORTED_LOCATION "${GNURADIO_UHD_DIR}" | ||||
|             INTERFACE_INCLUDE_DIRECTORIES "${GNURADIO_UHD_INCLUDE_DIRS}" | ||||
|             INTERFACE_LINK_LIBRARIES "${GNURADIO_UHD_LIBRARIES}" | ||||
|         ) | ||||
|     endif() | ||||
| endif() | ||||
|  | ||||
|  | ||||
|  | ||||
| @@ -769,7 +649,7 @@ endif() | ||||
|  | ||||
|  | ||||
| ################################################################################ | ||||
| # Dectect availability of std::filesystem | ||||
| # Detect availability of std::filesystem and set C++ standard accordingly | ||||
| ################################################################################ | ||||
| set(FILESYSTEM_FOUND FALSE) | ||||
| if(NOT (GNURADIO_VERSION VERSION_LESS 3.8) AND LOG4CPP_READY_FOR_CXX17) | ||||
| @@ -787,7 +667,11 @@ if(NOT (GNURADIO_VERSION VERSION_LESS 3.8) AND LOG4CPP_READY_FOR_CXX17) | ||||
|                 TYPE OPTIONAL | ||||
|             ) | ||||
|             if(${FILESYSTEM_FOUND}) | ||||
|                 set(CMAKE_CXX_STANDARD 17) | ||||
|                 if(CMAKE_VERSION VERSION_LESS 3.12) | ||||
|                     set(CMAKE_CXX_STANDARD 17) | ||||
|                 else() | ||||
|                     set(CMAKE_CXX_STANDARD 20) | ||||
|                 endif() | ||||
|                 set(CMAKE_CXX_STANDARD_REQUIRED ON) | ||||
|             endif() | ||||
|         endif() | ||||
| @@ -1231,37 +1115,30 @@ if(NOT GLOG_FOUND OR ${LOCAL_GFLAGS}) | ||||
|         set(GFLAGS_LIBRARIES_TO_LINK ${GFlags_LIBS}) | ||||
|         set(GFLAGS_LIBRARY_DIR_TO_LINK ${GFlags_LIBRARY_DIRS}) | ||||
|     endif() | ||||
|  | ||||
|     if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") | ||||
|         file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/tmp/configure_with_gflags | ||||
| "#!/bin/sh | ||||
| export CPPFLAGS=-I${GFlags_INCLUDE_DIRS} | ||||
| export LDFLAGS=-L${GFLAGS_LIBRARY_DIR_TO_LINK} | ||||
| export LIBS=\"${GFLAGS_LIBRARIES_TO_LINK} -lc++\" | ||||
| export CXXFLAGS=\"-stdlib=libc++\" | ||||
| export CC=clang | ||||
| export CXX=clang++ | ||||
| cd ${CMAKE_CURRENT_SOURCE_DIR}/thirdparty/glog/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/ | ||||
| aclocal | ||||
| automake --add-missing | ||||
| autoreconf -vfi | ||||
| cd ${CMAKE_CURRENT_BINARY_DIR}/glog-${GNSSSDR_GLOG_LOCAL_VERSION} | ||||
| ${CMAKE_CURRENT_SOURCE_DIR}/thirdparty/glog/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/configure" | ||||
|         ) | ||||
|     else() | ||||
|         file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/tmp/configure_with_gflags | ||||
| "#!/bin/sh | ||||
| export CPPFLAGS=-I${GFlags_INCLUDE_DIRS} | ||||
| export LDFLAGS=-L${GFLAGS_LIBRARY_DIR_TO_LINK} | ||||
| export LIBS=${GFLAGS_LIBRARIES_TO_LINK} | ||||
| cd ${CMAKE_CURRENT_SOURCE_DIR}/thirdparty/glog/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/ | ||||
| aclocal | ||||
| automake --add-missing | ||||
| autoreconf -vfi | ||||
| cd ${CMAKE_CURRENT_BINARY_DIR}/glog-${GNSSSDR_GLOG_LOCAL_VERSION} | ||||
| ${CMAKE_CURRENT_SOURCE_DIR}/thirdparty/glog/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/configure" | ||||
|         ) | ||||
|     if(OS_IS_MACOSX) | ||||
|         set(GFLAGS_LIBRARIES_TO_LINK "${GFLAGS_LIBRARIES_TO_LINK} -lc++") | ||||
|         set(GLOG_EXPORT_CXX_LIBRARIES "export CXXFLAGS=\"-stdlib=libc++\"") | ||||
|     endif() | ||||
|     if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") | ||||
|         set(GLOG_EXPORT_C_COMPILER "export CC=clang") | ||||
|         set(GLOG_EXPORT_CXX_COMPILER "export CXX=clang++") | ||||
|     endif() | ||||
|  | ||||
|     file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/tmp/configure_with_gflags | ||||
| "#!/bin/sh | ||||
| export CPPFLAGS=-I${GFlags_INCLUDE_DIRS} | ||||
| export LDFLAGS=-L${GFLAGS_LIBRARY_DIR_TO_LINK} | ||||
| export LIBS=\"${GFLAGS_LIBRARIES_TO_LINK}\" | ||||
| ${GLOG_EXPORT_CXX_LIBRARIES} | ||||
| ${GLOG_EXPORT_C_COMPILER} | ||||
| ${GLOG_EXPORT_CXX_COMPILER} | ||||
| cd ${CMAKE_CURRENT_SOURCE_DIR}/thirdparty/glog/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/ | ||||
| aclocal | ||||
| automake --add-missing | ||||
| autoreconf -vfi | ||||
| cd ${CMAKE_CURRENT_BINARY_DIR}/glog-${GNSSSDR_GLOG_LOCAL_VERSION} | ||||
| ${CMAKE_CURRENT_SOURCE_DIR}/thirdparty/glog/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/configure" | ||||
|     ) | ||||
|  | ||||
|     file(COPY ${CMAKE_CURRENT_BINARY_DIR}/glog-${GNSSSDR_GLOG_LOCAL_VERSION}/tmp/configure_with_gflags | ||||
|         DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/glog-${GNSSSDR_GLOG_LOCAL_VERSION} | ||||
| @@ -1460,6 +1337,9 @@ set_package_properties(Armadillo PROPERTIES | ||||
|     TYPE REQUIRED | ||||
| ) | ||||
| if(ARMADILLO_FOUND) | ||||
|     set_package_properties(Armadillo PROPERTIES | ||||
|         DESCRIPTION "C++ library for linear algebra and scientific computing (found: v${ARMADILLO_VERSION_STRING})" | ||||
|     ) | ||||
|     if(${ARMADILLO_VERSION_STRING} VERSION_LESS ${GNSSSDR_ARMADILLO_MIN_VERSION}) | ||||
|         set(ARMADILLO_FOUND false) | ||||
|         set(ENABLE_OWN_ARMADILLO true) | ||||
|   | ||||
| @@ -45,12 +45,37 @@ find_library(GFORTRAN NAMES gfortran | ||||
|         /usr/lib/gcc/i686-redhat-linux/4.8.2 | ||||
|         /usr/lib/gcc/x86_64-redhat-linux/7 | ||||
|         /usr/lib/gcc/i686-redhat-linux/7 | ||||
|         /usr/lib/gcc/x86_64-redhat-linux/8 | ||||
|         /usr/lib/gcc/i686-redhat-linux/8 | ||||
|         /usr/lib/gcc/x86_64-redhat-linux/9 | ||||
|         /usr/lib/gcc/i686-redhat-linux/9 | ||||
|         /usr/lib64/gcc/x86_64-redhat-linux/7 | ||||
|         /usr/lib64/gcc/x86_64-redhat-linux/8 | ||||
|         /usr/lib64/gcc/x86_64-redhat-linux/9 | ||||
|         /usr/lib/gcc/armv7hl-redhat-linux-gnueabi/7 | ||||
|         /usr/lib/gcc/aarch64-redhat-linux/7 | ||||
|         /usr/lib/gcc/i586-suse-linux/4.8  # OpenSUSE 13.1 | ||||
|         /usr/lib/gcc/i586-suse-linux/4.9 | ||||
|         /usr/lib/gcc/i586-suse-linux/7 | ||||
|         /usr/lib/gcc/i586-suse-linux/8 | ||||
|         /usr/lib/gcc/i586-suse-linux/9 | ||||
|         /usr/lib/gcc/x86_64-suse-linux/4.8 | ||||
|         /usr/lib/gcc/x86_64-suse-linux/4.9 | ||||
|         /usr/lib64/gcc/x86_64-suse-linux/7 | ||||
|         /usr/lib64/gcc/x86_64-suse-linux/8 | ||||
|         /usr/lib64/gcc/x86_64-suse-linux/9 | ||||
|         /usr/lib/gcc/armv7hl-suse-linux-gnueabi/7 | ||||
|         /usr/lib/gcc/armv7hl-suse-linux-gnueabi/8 | ||||
|         /usr/lib/gcc/armv7hl-suse-linux-gnueabi/9 | ||||
|         /usr/lib64/gcc/aarch64-suse-linux/7 | ||||
|         /usr/lib64/gcc/aarch64-suse-linux/8 | ||||
|         /usr/lib64/gcc/aarch64-suse-linux/9 | ||||
|         /usr/lib64/gcc/powerpc64-suse-linux/7 | ||||
|         /usr/lib64/gcc/powerpc64-suse-linux/8 | ||||
|         /usr/lib64/gcc/powerpc64-suse-linux/9 | ||||
|         /usr/lib64/gcc/powerpc64le-suse-linux/7 | ||||
|         /usr/lib64/gcc/powerpc64le-suse-linux/8 | ||||
|         /usr/lib64/gcc/powerpc64le-suse-linux/9 | ||||
|         /usr/lib/gcc/i486-linux-gnu # Debian 7 | ||||
|         /usr/lib/gcc/i486-linux-gnu/4.4 | ||||
|         /usr/lib/gcc/i486-linux-gnu/4.6 | ||||
| @@ -142,6 +167,24 @@ find_library(GFORTRAN NAMES gfortran | ||||
|         /usr/lib/gcc/powerpc64le-linux-gnu/8 | ||||
|         /usr/lib/gcc/s390x-linux-gnu/8 | ||||
|         /usr/lib/gcc/alpha-linux-gnu/8 | ||||
|         /usr/lib/gcc/x86_64-linux-gnu/9 | ||||
|         /usr/lib/gcc/aarch64-linux-gnu/9 | ||||
|         /usr/lib/gcc/arm-linux-gnueabi/9 | ||||
|         /usr/lib/gcc/arm-linux-gnueabihf/9 | ||||
|         /usr/lib/gcc/i686-linux-gnu/9 | ||||
|         /usr/lib/gcc/powerpc64le-linux-gnu/9 | ||||
|         /usr/lib/gcc/powerpc64-linux-gnu/9/ | ||||
|         /usr/lib/gcc/s390x-linux-gnu/9 | ||||
|         /usr/lib/gcc/alpha-linux-gnu/9 | ||||
|         /usr/lib/gcc/hppa-linux-gnu/9 | ||||
|         /usr/lib/gcc/m68k-linux-gnu/9 | ||||
|         /usr/lib/gcc/mips-linux-gnu/9 | ||||
|         /usr/lib/gcc/mips64el-linux-gnuabi64/9 | ||||
|         /usr/lib/gcc/mipsel-linux-gnu/9 | ||||
|         /usr/lib/gcc/riscv64-linux-gnu/9 | ||||
|         /usr/lib/gcc/sh4-linux-gnu/9 | ||||
|         /usr/lib/gcc/sparc64-linux-gnu/9 | ||||
|         /usr/lib/gcc/x86_64-linux-gnux32/9 | ||||
|         ${GFORTRAN_ROOT}/lib | ||||
|         $ENV{GFORTRAN_ROOT}/lib | ||||
| ) | ||||
|   | ||||
| @@ -143,6 +143,21 @@ function(GR_MODULE EXTVAR PCNAME INCFILE LIBFILE) | ||||
|         set(GNURADIO_FOUND FALSE) # Trick for feature_summary | ||||
|     endif() | ||||
|  | ||||
|     # Create imported target | ||||
|     string(TOLOWER ${EXTVAR} gnuradio_component) | ||||
|     if(NOT TARGET Gnuradio::${gnuradio_component}) | ||||
|         add_library(Gnuradio::${gnuradio_component} SHARED IMPORTED) | ||||
|         set(GNURADIO_LIBRARY ${GNURADIO_${EXTVAR}_LIBRARIES}) | ||||
|         list(GET GNURADIO_LIBRARY 0 FIRST_DIR) | ||||
|         get_filename_component(GNURADIO_DIR ${FIRST_DIR} ABSOLUTE) | ||||
|         set_target_properties(Gnuradio::${gnuradio_component} PROPERTIES | ||||
|             IMPORTED_LINK_INTERFACE_LANGUAGES "CXX" | ||||
|             IMPORTED_LOCATION "${GNURADIO_DIR}" | ||||
|             INTERFACE_INCLUDE_DIRECTORIES "${GNURADIO_${EXTVAR}_INCLUDE_DIRS}" | ||||
|             INTERFACE_LINK_LIBRARIES "${GNURADIO_LIBRARY}" | ||||
|         ) | ||||
|     endif() | ||||
|  | ||||
|     mark_as_advanced(GNURADIO_${EXTVAR}_LIBRARIES GNURADIO_${EXTVAR}_INCLUDE_DIRS) | ||||
| endfunction() | ||||
|  | ||||
| @@ -218,3 +233,25 @@ if(NOT DEFINED GNURADIO_FOUND) | ||||
|     set(GNURADIO_FOUND TRUE) | ||||
| endif() | ||||
| set(GNURADIO_VERSION ${PC_GNURADIO_RUNTIME_VERSION}) | ||||
|  | ||||
| if(NOT GNSSSDR_GNURADIO_MIN_VERSION) | ||||
|     set(GNSSSDR_GNURADIO_MIN_VERSION "3.7.3") | ||||
| endif() | ||||
|  | ||||
| if(GNURADIO_VERSION) | ||||
|     if(GNURADIO_VERSION VERSION_LESS ${GNSSSDR_GNURADIO_MIN_VERSION}) | ||||
|         unset(GNURADIO_RUNTIME_FOUND) | ||||
|         message(STATUS "The GNU Radio version installed in your system (v${GNURADIO_VERSION}) is too old.") | ||||
|         if(OS_IS_LINUX) | ||||
|             message("Go to https://github.com/gnuradio/pybombs") | ||||
|             message("and follow the instructions to install GNU Radio in your system.") | ||||
|         endif() | ||||
|         if(OS_IS_MACOSX) | ||||
|             message("You can install it easily via Macports:") | ||||
|             message("  sudo port install gnuradio ") | ||||
|             message("Alternatively, you can use homebrew:") | ||||
|             message("  brew install gnuradio") | ||||
|         endif() | ||||
|         message(FATAL_ERROR "GNU Radio v${GNSSSDR_GNURADIO_MIN_VERSION} or later is required to build gnss-sdr.") | ||||
|     endif() | ||||
| endif() | ||||
|   | ||||
| @@ -16,7 +16,7 @@ | ||||
|  | ||||
| - Improved preamble detection implementation in the decoding of navigation messages (acceleration by x1.6 on average per channel). | ||||
| - Shortened Acquisition to Tracking transition time. | ||||
| - Applied clang-tidy checks and fixes related to performance: performance-faster-string-find, performance-inefficient-algorithm, performance-move-const-arg, performance-type-promotion-in-math-fn, performance-unnecessary-copy-initialization, performance-unnecessary-value-param, readability-string-compare. | ||||
| - Applied clang-tidy checks and fixes related to performance: performance-faster-string-find, performance-inefficient-algorithm, performance-move-const-arg, performance-type-promotion-in-math-fn, performance-unnecessary-value-param, readability-string-compare. | ||||
|  | ||||
|  | ||||
| ### Improvements in Flexibility: | ||||
| @@ -50,7 +50,8 @@ | ||||
| - Added interfaces for FPGA off-loading. | ||||
| - CMake scripts now follow a modern approach (targets and properties) but still work with 2.8.12. | ||||
| - Improvements for macOS users using Homebrew. | ||||
| - The volk_gnsssdr library can now be built without requiring Boost if the compiler supports C++17. | ||||
| - The volk_gnsssdr library can now be built without requiring Boost if the compiler supports C++17 or higher. | ||||
| - CMake scripts automatically select among C++11, C++14, C++17 or C++20 standards, the most recent as possible, depending on compiler and dependencies versions. | ||||
|  | ||||
|  | ||||
| ### Improvements in Reliability | ||||
|   | ||||
| @@ -95,7 +95,11 @@ if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") AND NOT WIN32) | ||||
|             set(CMAKE_CXX_STANDARD 14) | ||||
|         else() | ||||
|             if(${FILESYSTEM_FOUND}) | ||||
|                 set(CMAKE_CXX_STANDARD 17) | ||||
|                 if(CMAKE_VERSION VERSION_LESS 3.12) | ||||
|                     set(CMAKE_CXX_STANDARD 17) | ||||
|                 else() | ||||
|                     set(CMAKE_CXX_STANDARD 20) | ||||
|                 endif() | ||||
|                 set(CMAKE_CXX_STANDARD_REQUIRED ON) | ||||
|             else() | ||||
|                 set(CMAKE_CXX_STANDARD 14) | ||||
| @@ -134,7 +138,11 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") | ||||
|                 set(CMAKE_CXX_STANDARD 14) | ||||
|             else() | ||||
|                 if(${FILESYSTEM_FOUND}) | ||||
|                     set(CMAKE_CXX_STANDARD 17) | ||||
|                     if(CMAKE_VERSION VERSION_LESS 3.12) | ||||
|                         set(CMAKE_CXX_STANDARD 17) | ||||
|                     else() | ||||
|                         set(CMAKE_CXX_STANDARD 20) | ||||
|                     endif() | ||||
|                     set(CMAKE_CXX_STANDARD_REQUIRED ON) | ||||
|                 else() | ||||
|                     set(CMAKE_CXX_STANDARD 14) | ||||
|   | ||||
| @@ -33,7 +33,6 @@ set(TRACKING_LIB_SOURCES | ||||
|     cpu_multicorrelator.cc | ||||
|     cpu_multicorrelator_real_codes.cc | ||||
|     cpu_multicorrelator_16sc.cc | ||||
|     cubature_filter.cc | ||||
|     lock_detectors.cc | ||||
|     tcp_communication.cc | ||||
|     tcp_packet_data.cc | ||||
| @@ -51,7 +50,6 @@ set(TRACKING_LIB_HEADERS | ||||
|     cpu_multicorrelator.h | ||||
|     cpu_multicorrelator_real_codes.h | ||||
|     cpu_multicorrelator_16sc.h | ||||
|     cubature_filter.h | ||||
|     lock_detectors.h | ||||
|     tcp_communication.h | ||||
|     tcp_packet_data.h | ||||
| @@ -65,6 +63,12 @@ set(TRACKING_LIB_HEADERS | ||||
|     exponential_smoother.h | ||||
| ) | ||||
|  | ||||
| if(ARMADILLO_VERSION_STRING VERSION_GREATER 7.400) | ||||
|     # sqrtmat_sympd() requires 7.400 | ||||
|     set(TRACKING_LIB_SOURCES ${TRACKING_LIB_SOURCES} nonlinear_tracking.cc) | ||||
|     set(TRACKING_LIB_HEADERS ${TRACKING_LIB_HEADERS} nonlinear_tracking.h) | ||||
| endif() | ||||
|  | ||||
| if(ENABLE_FPGA) | ||||
|     set(TRACKING_LIB_SOURCES ${TRACKING_LIB_SOURCES} fpga_multicorrelator.cc dll_pll_conf_fpga.cc) | ||||
|     set(TRACKING_LIB_HEADERS ${TRACKING_LIB_HEADERS} fpga_multicorrelator.h dll_pll_conf_fpga.h) | ||||
| @@ -84,6 +88,7 @@ target_link_libraries(tracking_libs | ||||
|         Gnuradio::runtime | ||||
|         Volkgnsssdr::volkgnsssdr | ||||
|         core_system_parameters | ||||
|         algorithms_libs | ||||
|         ${OPT_TRACKING_LIBRARIES} | ||||
|     PRIVATE | ||||
|         Gflags::gflags | ||||
|   | ||||
| @@ -1,199 +0,0 @@ | ||||
| /*! | ||||
|  * \file cubature_filter.cc | ||||
|  * \brief Interface of a library with Bayesian noise statistic estimation | ||||
|  * | ||||
|  * Cubature_Filter implements the functionality of the Cubature Kalman | ||||
|  * Filter, which uses multidimensional cubature rules to estimate the | ||||
|  * time evolution of a nonlinear system. | ||||
|  * | ||||
|  * [1] I Arasaratnam and S Haykin. Cubature kalman filters. IEEE | ||||
|  * Transactions on Automatic Control, 54(6):1254–1269,2009. | ||||
|  * | ||||
|  * \authors <ul> | ||||
|  *          <li> Gerald LaMountain, 2019. gerald(at)ece.neu.edu | ||||
|  *          <li> Jordi Vila-Valls 2019. jvila(at)cttc.es | ||||
|  *          </ul> | ||||
|  * ------------------------------------------------------------------------- | ||||
|  * | ||||
|  * Copyright (C) 2010-2019  (see AUTHORS file for a list of contributors) | ||||
|  * | ||||
|  * GNSS-SDR is a software defined Global Navigation | ||||
|  *          Satellite Systems receiver | ||||
|  * | ||||
|  * This file is part of GNSS-SDR. | ||||
|  * | ||||
|  * GNSS-SDR is free software: you can redistribute it and/or modify | ||||
|  * it under the terms of the GNU General Public License as published by | ||||
|  * the Free Software Foundation, either version 3 of the License, or | ||||
|  * (at your option) any later version. | ||||
|  * | ||||
|  * GNSS-SDR is distributed in the hope that it will be useful, | ||||
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||||
|  * GNU General Public License for more details. | ||||
|  * | ||||
|  * You should have received a copy of the GNU General Public License | ||||
|  * along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>. | ||||
|  * | ||||
|  * ------------------------------------------------------------------------- | ||||
|  */ | ||||
|  | ||||
| #include "cubature_filter.h" | ||||
|  | ||||
|  | ||||
| Cubature_filter::Cubature_filter() | ||||
| { | ||||
|     int nx = 1; | ||||
|     x_pred_out = arma::zeros(nx, 1); | ||||
|     P_x_pred_out = arma::eye(nx, nx) * (nx + 1); | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| Cubature_filter::Cubature_filter(int nx) | ||||
| { | ||||
|     x_pred_out = arma::zeros(nx, 1); | ||||
|     P_x_pred_out = arma::eye(nx, nx) * (nx + 1); | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| Cubature_filter::Cubature_filter(const arma::vec& x_pred_0, const arma::mat& P_x_pred_0) | ||||
| { | ||||
|     x_pred_out = x_pred_0; | ||||
|     P_x_pred_out = P_x_pred_0; | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| Cubature_filter::~Cubature_filter() = default; | ||||
|  | ||||
|  | ||||
| void Cubature_filter::initialize(const arma::mat& x_pred_0, const arma::mat& P_x_pred_0) | ||||
| { | ||||
|     x_pred_out = x_pred_0; | ||||
|     P_x_pred_out = P_x_pred_0; | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| /* | ||||
|  * Perform the prediction step of the cubature Kalman filter | ||||
|  */ | ||||
| void Cubature_filter::predict_sequential(const arma::vec& x_post, const arma::mat& P_x_post, Model_Function* transition_fcn, const arma::mat& noise_covariance) | ||||
| { | ||||
|     // Compute number of cubature points | ||||
|     int nx = x_post.n_elem; | ||||
|     int np = 2 * nx; | ||||
|  | ||||
|     // Generator Matrix | ||||
|     arma::mat gen_one = arma::join_horiz(arma::eye(nx, nx), -1.0 * arma::eye(nx, nx)); | ||||
|  | ||||
|     // Initialize predicted mean and covariance | ||||
|     arma::vec x_pred = arma::zeros(nx, 1); | ||||
|     arma::mat P_x_pred = arma::zeros(nx, nx); | ||||
|  | ||||
|     // Factorize posterior covariance | ||||
|     arma::mat Sm_post = arma::chol(P_x_post, "lower"); | ||||
|  | ||||
|     // Propagate and evaluate cubature points | ||||
|     arma::vec Xi_post; | ||||
|     arma::vec Xi_pred; | ||||
|  | ||||
|     for (uint8_t i = 0; i < np; i++) | ||||
|         { | ||||
|             Xi_post = Sm_post * (std::sqrt(static_cast<float>(np) / 2.0) * gen_one.col(i)) + x_post; | ||||
|             Xi_pred = (*transition_fcn)(Xi_post); | ||||
|  | ||||
|             x_pred = x_pred + Xi_pred; | ||||
|             P_x_pred = P_x_pred + Xi_pred * Xi_pred.t(); | ||||
|         } | ||||
|  | ||||
|     // Estimate predicted state and error covariance | ||||
|     x_pred = x_pred / static_cast<float>(np); | ||||
|     P_x_pred = P_x_pred / static_cast<float>(np) - x_pred * x_pred.t() + noise_covariance; | ||||
|  | ||||
|     // Store predicted state and error covariance | ||||
|     x_pred_out = x_pred; | ||||
|     P_x_pred_out = P_x_pred; | ||||
| } | ||||
|  | ||||
|  | ||||
| /* | ||||
|  * Perform the update step of the cubature Kalman filter | ||||
|  */ | ||||
| void Cubature_filter::update_sequential(const arma::vec& z_upd, const arma::vec& x_pred, const arma::mat& P_x_pred, Model_Function* measurement_fcn, const arma::mat& noise_covariance) | ||||
| { | ||||
|     // Compute number of cubature points | ||||
|     int nx = x_pred.n_elem; | ||||
|     int nz = z_upd.n_elem; | ||||
|     int np = 2 * nx; | ||||
|  | ||||
|     // Generator Matrix | ||||
|     arma::mat gen_one = arma::join_horiz(arma::eye(nx, nx), -1.0 * arma::eye(nx, nx)); | ||||
|  | ||||
|     // Evaluate predicted measurement and covariances | ||||
|     arma::mat z_pred = arma::zeros(nz, 1); | ||||
|     arma::mat P_zz_pred = arma::zeros(nz, nz); | ||||
|     arma::mat P_xz_pred = arma::zeros(nx, nz); | ||||
|  | ||||
|     // Factorize predicted covariance | ||||
|     arma::mat Sm_pred = arma::chol(P_x_pred, "lower"); | ||||
|  | ||||
|     // Propagate and evaluate cubature points | ||||
|     arma::vec Xi_pred; | ||||
|     arma::vec Zi_pred; | ||||
|     for (uint8_t i = 0; i < np; i++) | ||||
|         { | ||||
|             Xi_pred = Sm_pred * (std::sqrt(static_cast<float>(np) / 2.0) * gen_one.col(i)) + x_pred; | ||||
|             Zi_pred = (*measurement_fcn)(Xi_pred); | ||||
|  | ||||
|             z_pred = z_pred + Zi_pred; | ||||
|             P_zz_pred = P_zz_pred + Zi_pred * Zi_pred.t(); | ||||
|             P_xz_pred = P_xz_pred + Xi_pred * Zi_pred.t(); | ||||
|         } | ||||
|  | ||||
|     // Estimate measurement covariance and cross covariances | ||||
|     z_pred = z_pred / static_cast<float>(np); | ||||
|     P_zz_pred = P_zz_pred / static_cast<float>(np) - z_pred * z_pred.t() + noise_covariance; | ||||
|     P_xz_pred = P_xz_pred / static_cast<float>(np) - x_pred * z_pred.t(); | ||||
|  | ||||
|     // Estimate cubature Kalman gain | ||||
|     arma::mat W_k = P_xz_pred * arma::inv(P_zz_pred); | ||||
|  | ||||
|     // Estimate and store the updated state and error covariance | ||||
|     x_est = x_pred + W_k * (z_upd - z_pred); | ||||
|     P_x_est = P_x_pred - W_k * P_zz_pred * W_k.t(); | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Cubature_filter::get_x_pred() const | ||||
| { | ||||
|     return x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Cubature_filter::get_P_x_pred() const | ||||
| { | ||||
|     return P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Cubature_filter::get_x_est() const | ||||
| { | ||||
|     return x_est; | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Cubature_filter::get_P_x_est() const | ||||
| { | ||||
|     return P_x_est; | ||||
| } | ||||
							
								
								
									
										390
									
								
								src/algorithms/tracking/libs/nonlinear_tracking.cc
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										390
									
								
								src/algorithms/tracking/libs/nonlinear_tracking.cc
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,390 @@ | ||||
| /*! | ||||
|  * \file cubature_filter.cc | ||||
|  * \brief Interface of a library for nonlinear tracking algorithms | ||||
|  * | ||||
|  * Cubature_Filter implements the functionality of the Cubature Kalman | ||||
|  * Filter, which uses multidimensional cubature rules to estimate the | ||||
|  * time evolution of a nonlinear system. Unscented_filter implements | ||||
|  * an Unscented Kalman Filter which uses Unscented Transform rules to | ||||
|  * perform a similar estimation. | ||||
|  * | ||||
|  * [1] I Arasaratnam and S Haykin. Cubature kalman filters. IEEE | ||||
|  * Transactions on Automatic Control, 54(6):1254–1269,2009. | ||||
|  * | ||||
|  * \authors <ul> | ||||
|  *          <li> Gerald LaMountain, 2019. gerald(at)ece.neu.edu | ||||
|  *          <li> Jordi Vila-Valls 2019. jvila(at)cttc.es | ||||
|  *          </ul> | ||||
|  * ------------------------------------------------------------------------- | ||||
|  * | ||||
|  * Copyright (C) 2010-2019  (see AUTHORS file for a list of contributors) | ||||
|  * | ||||
|  * GNSS-SDR is a software defined Global Navigation | ||||
|  *          Satellite Systems receiver | ||||
|  * | ||||
|  * This file is part of GNSS-SDR. | ||||
|  * | ||||
|  * GNSS-SDR is free software: you can redistribute it and/or modify | ||||
|  * it under the terms of the GNU General Public License as published by | ||||
|  * the Free Software Foundation, either version 3 of the License, or | ||||
|  * (at your option) any later version. | ||||
|  * | ||||
|  * GNSS-SDR is distributed in the hope that it will be useful, | ||||
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||||
|  * GNU General Public License for more details. | ||||
|  * | ||||
|  * You should have received a copy of the GNU General Public License | ||||
|  * along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>. | ||||
|  * | ||||
|  * ------------------------------------------------------------------------- | ||||
|  */ | ||||
|  | ||||
| #include "nonlinear_tracking.h" | ||||
|  | ||||
| /***************** CUBATURE KALMAN FILTER *****************/ | ||||
|  | ||||
| Cubature_filter::Cubature_filter() | ||||
| { | ||||
|     int nx = 1; | ||||
|     x_pred_out = arma::zeros(nx, 1); | ||||
|     P_x_pred_out = arma::eye(nx, nx) * (nx + 1); | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| Cubature_filter::Cubature_filter(int nx) | ||||
| { | ||||
|     x_pred_out = arma::zeros(nx, 1); | ||||
|     P_x_pred_out = arma::eye(nx, nx) * (nx + 1); | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| Cubature_filter::Cubature_filter(const arma::vec& x_pred_0, const arma::mat& P_x_pred_0) | ||||
| { | ||||
|     x_pred_out = x_pred_0; | ||||
|     P_x_pred_out = P_x_pred_0; | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| Cubature_filter::~Cubature_filter() = default; | ||||
|  | ||||
|  | ||||
| void Cubature_filter::initialize(const arma::mat& x_pred_0, const arma::mat& P_x_pred_0) | ||||
| { | ||||
|     x_pred_out = x_pred_0; | ||||
|     P_x_pred_out = P_x_pred_0; | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| /* | ||||
|  * Perform the prediction step of the cubature Kalman filter | ||||
|  */ | ||||
| void Cubature_filter::predict_sequential(const arma::vec& x_post, const arma::mat& P_x_post, Model_Function* transition_fcn, const arma::mat& noise_covariance) | ||||
| { | ||||
|     // Compute number of cubature points | ||||
|     int nx = x_post.n_elem; | ||||
|     int np = 2 * nx; | ||||
|  | ||||
|     // Generator Matrix | ||||
|     arma::mat gen_one = arma::join_horiz(arma::eye(nx, nx), -1.0 * arma::eye(nx, nx)); | ||||
|  | ||||
|     // Initialize predicted mean and covariance | ||||
|     arma::vec x_pred = arma::zeros(nx, 1); | ||||
|     arma::mat P_x_pred = arma::zeros(nx, nx); | ||||
|  | ||||
|     // Factorize posterior covariance | ||||
|     arma::mat Sm_post = arma::chol(P_x_post, "lower"); | ||||
|  | ||||
|     // Propagate and evaluate cubature points | ||||
|     arma::vec Xi_post; | ||||
|     arma::vec Xi_pred; | ||||
|  | ||||
|     for (uint8_t i = 0; i < np; i++) | ||||
|         { | ||||
|             Xi_post = Sm_post * (std::sqrt(static_cast<float>(np) / 2.0) * gen_one.col(i)) + x_post; | ||||
|             Xi_pred = (*transition_fcn)(Xi_post); | ||||
|  | ||||
|             x_pred = x_pred + Xi_pred; | ||||
|             P_x_pred = P_x_pred + Xi_pred * Xi_pred.t(); | ||||
|         } | ||||
|  | ||||
|     // Compute predicted mean and error covariance | ||||
|     x_pred = x_pred / static_cast<float>(np); | ||||
|     P_x_pred = P_x_pred / static_cast<float>(np) - x_pred * x_pred.t() + noise_covariance; | ||||
|  | ||||
|     // Store predicted mean and error covariance | ||||
|     x_pred_out = x_pred; | ||||
|     P_x_pred_out = P_x_pred; | ||||
| } | ||||
|  | ||||
|  | ||||
| /* | ||||
|  * Perform the update step of the cubature Kalman filter | ||||
|  */ | ||||
| void Cubature_filter::update_sequential(const arma::vec& z_upd, const arma::vec& x_pred, const arma::mat& P_x_pred, Model_Function* measurement_fcn, const arma::mat& noise_covariance) | ||||
| { | ||||
|     // Compute number of cubature points | ||||
|     int nx = x_pred.n_elem; | ||||
|     int nz = z_upd.n_elem; | ||||
|     int np = 2 * nx; | ||||
|  | ||||
|     // Generator Matrix | ||||
|     arma::mat gen_one = arma::join_horiz(arma::eye(nx, nx), -1.0 * arma::eye(nx, nx)); | ||||
|  | ||||
|     // Initialize estimated predicted measurement and covariances | ||||
|     arma::mat z_pred = arma::zeros(nz, 1); | ||||
|     arma::mat P_zz_pred = arma::zeros(nz, nz); | ||||
|     arma::mat P_xz_pred = arma::zeros(nx, nz); | ||||
|  | ||||
|     // Factorize predicted covariance | ||||
|     arma::mat Sm_pred = arma::chol(P_x_pred, "lower"); | ||||
|  | ||||
|     // Propagate and evaluate cubature points | ||||
|     arma::vec Xi_pred; | ||||
|     arma::vec Zi_pred; | ||||
|     for (uint8_t i = 0; i < np; i++) | ||||
|         { | ||||
|             Xi_pred = Sm_pred * (std::sqrt(static_cast<float>(np) / 2.0) * gen_one.col(i)) + x_pred; | ||||
|             Zi_pred = (*measurement_fcn)(Xi_pred); | ||||
|  | ||||
|             z_pred = z_pred + Zi_pred; | ||||
|             P_zz_pred = P_zz_pred + Zi_pred * Zi_pred.t(); | ||||
|             P_xz_pred = P_xz_pred + Xi_pred * Zi_pred.t(); | ||||
|         } | ||||
|  | ||||
|     // Compute measurement mean, covariance and cross covariance | ||||
|     z_pred = z_pred / static_cast<float>(np); | ||||
|     P_zz_pred = P_zz_pred / static_cast<float>(np) - z_pred * z_pred.t() + noise_covariance; | ||||
|     P_xz_pred = P_xz_pred / static_cast<float>(np) - x_pred * z_pred.t(); | ||||
|  | ||||
|     // Compute cubature Kalman gain | ||||
|     arma::mat W_k = P_xz_pred * arma::inv(P_zz_pred); | ||||
|  | ||||
|     // Compute and store the updated mean and error covariance | ||||
|     x_est = x_pred + W_k * (z_upd - z_pred); | ||||
|     P_x_est = P_x_pred - W_k * P_zz_pred * W_k.t(); | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Cubature_filter::get_x_pred() const | ||||
| { | ||||
|     return x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Cubature_filter::get_P_x_pred() const | ||||
| { | ||||
|     return P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Cubature_filter::get_x_est() const | ||||
| { | ||||
|     return x_est; | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Cubature_filter::get_P_x_est() const | ||||
| { | ||||
|     return P_x_est; | ||||
| } | ||||
| /***************** END CUBATURE KALMAN FILTER *****************/ | ||||
|  | ||||
|  | ||||
| /***************** UNSCENTED KALMAN FILTER *****************/ | ||||
|  | ||||
| Unscented_filter::Unscented_filter() | ||||
| { | ||||
|     int nx = 1; | ||||
|     x_pred_out = arma::zeros(nx, 1); | ||||
|     P_x_pred_out = arma::eye(nx, nx) * (nx + 1); | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| Unscented_filter::Unscented_filter(int nx) | ||||
| { | ||||
|     x_pred_out = arma::zeros(nx, 1); | ||||
|     P_x_pred_out = arma::eye(nx, nx) * (nx + 1); | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| Unscented_filter::Unscented_filter(const arma::vec& x_pred_0, const arma::mat& P_x_pred_0) | ||||
| { | ||||
|     x_pred_out = x_pred_0; | ||||
|     P_x_pred_out = P_x_pred_0; | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| Unscented_filter::~Unscented_filter() = default; | ||||
|  | ||||
|  | ||||
| void Unscented_filter::initialize(const arma::mat& x_pred_0, const arma::mat& P_x_pred_0) | ||||
| { | ||||
|     x_pred_out = x_pred_0; | ||||
|     P_x_pred_out = P_x_pred_0; | ||||
|  | ||||
|     x_est = x_pred_out; | ||||
|     P_x_est = P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| /* | ||||
|  * Perform the prediction step of the Unscented Kalman filter | ||||
|  */ | ||||
| void Unscented_filter::predict_sequential(const arma::vec& x_post, const arma::mat& P_x_post, Model_Function* transition_fcn, const arma::mat& noise_covariance) | ||||
| { | ||||
|     // Compute number of sigma points | ||||
|     int nx = x_post.n_elem; | ||||
|     int np = 2 * nx + 1; | ||||
|  | ||||
|     float alpha = 0.001; | ||||
|     float kappa = 0.0; | ||||
|     float beta = 2.0; | ||||
|  | ||||
|     float lambda = std::pow(alpha, 2.0) * (static_cast<float>(nx) + kappa) - static_cast<float>(nx); | ||||
|  | ||||
|     // Compute UT Weights | ||||
|     float W0_m = lambda / (static_cast<float>(nx) + lambda); | ||||
|     float W0_c = lambda / (static_cast<float>(nx) + lambda) + (1 - std::pow(alpha, 2.0) + beta); | ||||
|     float Wi_m = 1.0 / (2.0 * (static_cast<float>(nx) + lambda)); | ||||
|  | ||||
|     // Propagate and evaluate sigma points | ||||
|     arma::mat Xi_fact = arma::zeros(nx, nx); | ||||
|     arma::mat Xi_post = arma::zeros(nx, np); | ||||
|     arma::mat Xi_pred = arma::zeros(nx, np); | ||||
|  | ||||
|  | ||||
|     Xi_post.col(0) = x_post; | ||||
|     Xi_pred.col(0) = (*transition_fcn)(Xi_post.col(0)); | ||||
|     for (uint8_t i = 1; i <= nx; i++) | ||||
|         { | ||||
|             Xi_fact = std::sqrt(static_cast<float>(nx) + lambda) * arma::sqrtmat_sympd(P_x_post); | ||||
|             Xi_post.col(i) = x_post + Xi_fact.col(i - 1); | ||||
|             Xi_post.col(i + nx) = x_post - Xi_fact.col(i - 1); | ||||
|  | ||||
|             Xi_pred.col(i) = (*transition_fcn)(Xi_post.col(i)); | ||||
|             Xi_pred.col(i + nx) = (*transition_fcn)(Xi_post.col(i + nx)); | ||||
|         } | ||||
|  | ||||
|     // Compute predicted mean | ||||
|     arma::vec x_pred = W0_m * Xi_pred.col(0) + Wi_m * arma::sum(Xi_pred.cols(1, np - 1), 1); | ||||
|  | ||||
|     // Compute predicted error covariance | ||||
|     arma::mat P_x_pred = W0_c * ((Xi_pred.col(0) - x_pred) * (Xi_pred.col(0).t() - x_pred.t())); | ||||
|     for (uint8_t i = 1; i < np; i++) | ||||
|         { | ||||
|             P_x_pred = P_x_pred + Wi_m * ((Xi_pred.col(i) - x_pred) * (Xi_pred.col(i).t() - x_pred.t())); | ||||
|         } | ||||
|     P_x_pred = P_x_pred + noise_covariance; | ||||
|  | ||||
|     // Store predicted mean and error covariance | ||||
|     x_pred_out = x_pred; | ||||
|     P_x_pred_out = P_x_pred; | ||||
| } | ||||
|  | ||||
|  | ||||
| /* | ||||
|  * Perform the update step of the Unscented Kalman filter | ||||
|  */ | ||||
| void Unscented_filter::update_sequential(const arma::vec& z_upd, const arma::vec& x_pred, const arma::mat& P_x_pred, Model_Function* measurement_fcn, const arma::mat& noise_covariance) | ||||
| { | ||||
|     // Compute number of sigma points | ||||
|     int nx = x_pred.n_elem; | ||||
|     int nz = z_upd.n_elem; | ||||
|     int np = 2 * nx + 1; | ||||
|  | ||||
|     float alpha = 0.001; | ||||
|     float kappa = 0.0; | ||||
|     float beta = 2.0; | ||||
|  | ||||
|     float lambda = std::pow(alpha, 2.0) * (static_cast<float>(nx) + kappa) - static_cast<float>(nx); | ||||
|  | ||||
|     // Compute UT Weights | ||||
|     float W0_m = lambda / (static_cast<float>(nx) + lambda); | ||||
|     float W0_c = lambda / (static_cast<float>(nx) + lambda) + (1.0 - std::pow(alpha, 2.0) + beta); | ||||
|     float Wi_m = 1.0 / (2.0 * (static_cast<float>(nx) + lambda)); | ||||
|  | ||||
|     // Propagate and evaluate sigma points | ||||
|     arma::mat Xi_fact = arma::zeros(nx, nx); | ||||
|     arma::mat Xi_pred = arma::zeros(nx, np); | ||||
|     arma::mat Zi_pred = arma::zeros(nz, np); | ||||
|  | ||||
|     Xi_pred.col(0) = x_pred; | ||||
|     Zi_pred.col(0) = (*measurement_fcn)(Xi_pred.col(0)); | ||||
|     for (uint8_t i = 1; i <= nx; i++) | ||||
|         { | ||||
|             Xi_fact = std::sqrt(static_cast<float>(nx) + lambda) * arma::sqrtmat_sympd(P_x_pred); | ||||
|             Xi_pred.col(i) = x_pred + Xi_fact.col(i - 1); | ||||
|             Xi_pred.col(i + nx) = x_pred - Xi_fact.col(i - 1); | ||||
|  | ||||
|             Zi_pred.col(i) = (*measurement_fcn)(Xi_pred.col(i)); | ||||
|             Zi_pred.col(i + nx) = (*measurement_fcn)(Xi_pred.col(i + nx)); | ||||
|         } | ||||
|  | ||||
|     // Compute measurement mean | ||||
|     arma::mat z_pred = W0_m * Zi_pred.col(0) + Wi_m * arma::sum(Zi_pred.cols(1, np - 1), 1); | ||||
|  | ||||
|     // Compute measurement covariance and cross covariance | ||||
|     arma::mat P_zz_pred = W0_c * ((Zi_pred.col(0) - z_pred) * (Zi_pred.col(0).t() - z_pred.t())); | ||||
|     arma::mat P_xz_pred = W0_c * ((Xi_pred.col(0) - x_pred) * (Zi_pred.col(0).t() - z_pred.t())); | ||||
|     for (uint8_t i = 0; i < np; i++) | ||||
|         { | ||||
|             P_zz_pred = P_zz_pred + Wi_m * ((Zi_pred.col(i) - z_pred) * (Zi_pred.col(i).t() - z_pred.t())); | ||||
|             P_xz_pred = P_xz_pred + Wi_m * ((Xi_pred.col(i) - x_pred) * (Zi_pred.col(i).t() - z_pred.t())); | ||||
|         } | ||||
|     P_zz_pred = P_zz_pred + noise_covariance; | ||||
|  | ||||
|     // Estimate cubature Kalman gain | ||||
|     arma::mat W_k = P_xz_pred * arma::inv(P_zz_pred); | ||||
|  | ||||
|     // Estimate and store the updated mean and error covariance | ||||
|     x_est = x_pred + W_k * (z_upd - z_pred); | ||||
|     P_x_est = P_x_pred - W_k * P_zz_pred * W_k.t(); | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Unscented_filter::get_x_pred() const | ||||
| { | ||||
|     return x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Unscented_filter::get_P_x_pred() const | ||||
| { | ||||
|     return P_x_pred_out; | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Unscented_filter::get_x_est() const | ||||
| { | ||||
|     return x_est; | ||||
| } | ||||
|  | ||||
|  | ||||
| arma::mat Unscented_filter::get_P_x_est() const | ||||
| { | ||||
|     return P_x_est; | ||||
| } | ||||
|  | ||||
| /***************** END UNSCENTED KALMAN FILTER *****************/ | ||||
| @@ -1,10 +1,12 @@ | ||||
| /*!
 | ||||
|  * \file cubature_filter.h | ||||
|  * \brief Interface of a library with Bayesian noise statistic estimation | ||||
|  * \file nonlinear_tracking.h | ||||
|  * \brief Interface of a library for nonlinear tracking algorithms | ||||
|  * | ||||
|  * Cubature_Filter implements the functionality of the Cubature Kalman | ||||
|  * Filter, which uses multidimensional cubature rules to estimate the | ||||
|  * time evolution of a nonlinear system. | ||||
|  * time evolution of a nonlinear system. Unscented_filter implements | ||||
|  * an Unscented Kalman Filter which uses Unscented Transform rules to | ||||
|  * perform a similar estimation. | ||||
|  * | ||||
|  * [1] I Arasaratnam and S Haykin. Cubature kalman filters. IEEE | ||||
|  * Transactions on Automatic Control, 54(6):1254–1269,2009. | ||||
| @@ -38,18 +40,19 @@ | ||||
|  * ------------------------------------------------------------------------- | ||||
|  */ | ||||
| 
 | ||||
| #ifndef GNSS_SDR_CUBATURE_FILTER_H_ | ||||
| #define GNSS_SDR_CUBATURE_FILTER_H_ | ||||
| #ifndef GNSS_SDR_NONLINEAR_TRACKING_H_ | ||||
| #define GNSS_SDR_NONLINEAR_TRACKING_H_ | ||||
| 
 | ||||
| #include <armadillo> | ||||
| #include <gnuradio/gr_complex.h> | ||||
| 
 | ||||
| // Abstract model function
 | ||||
| class Model_Function{ | ||||
|     public: | ||||
|         Model_Function() {}; | ||||
|         virtual arma::vec operator() (arma::vec input) = 0; | ||||
|         virtual ~Model_Function() = default; | ||||
| class Model_Function | ||||
| { | ||||
| public: | ||||
|     Model_Function(){}; | ||||
|     virtual arma::vec operator()(arma::vec input) = 0; | ||||
|     virtual ~Model_Function() = default; | ||||
| }; | ||||
| 
 | ||||
| class Cubature_filter | ||||
| @@ -81,4 +84,33 @@ private: | ||||
|     arma::mat P_x_est; | ||||
| }; | ||||
| 
 | ||||
| class Unscented_filter | ||||
| { | ||||
| public: | ||||
|     // Constructors and destructors
 | ||||
|     Unscented_filter(); | ||||
|     Unscented_filter(int nx); | ||||
|     Unscented_filter(const arma::vec& x_pred_0, const arma::mat& P_x_pred_0); | ||||
|     ~Unscented_filter(); | ||||
| 
 | ||||
|     // Reinitialization function
 | ||||
|     void initialize(const arma::mat& x_pred_0, const arma::mat& P_x_pred_0); | ||||
| 
 | ||||
|     // Prediction and estimation
 | ||||
|     void predict_sequential(const arma::vec& x_post, const arma::mat& P_x_post, Model_Function* transition_fcn, const arma::mat& noise_covariance); | ||||
|     void update_sequential(const arma::vec& z_upd, const arma::vec& x_pred, const arma::mat& P_x_pred, Model_Function* measurement_fcn, const arma::mat& noise_covariance); | ||||
| 
 | ||||
|     // Getters
 | ||||
|     arma::mat get_x_pred() const; | ||||
|     arma::mat get_P_x_pred() const; | ||||
|     arma::mat get_x_est() const; | ||||
|     arma::mat get_P_x_est() const; | ||||
| 
 | ||||
| private: | ||||
|     arma::vec x_pred_out; | ||||
|     arma::mat P_x_pred_out; | ||||
|     arma::vec x_est; | ||||
|     arma::mat P_x_est; | ||||
| }; | ||||
| 
 | ||||
| #endif | ||||
| @@ -161,6 +161,11 @@ if(ENABLE_FPGA) | ||||
|     add_definitions(-DFPGA_BLOCKS_TEST=1) | ||||
| endif() | ||||
|  | ||||
| if(ARMADILLO_VERSION_STRING VERSION_GREATER 8.400) | ||||
|     # mvnrnd() requires 8.400 | ||||
|     add_definitions(-DARMADILLO_HAVE_MVNRND=1) | ||||
| endif() | ||||
|  | ||||
| find_package(Gnuplot) | ||||
| if(GNUPLOT_FOUND) | ||||
|     add_definitions(-DGNUPLOT_EXECUTABLE="${GNUPLOT_EXECUTABLE}") | ||||
| @@ -793,13 +798,20 @@ endif() | ||||
|  | ||||
| ######################################################### | ||||
| if(NOT ENABLE_PACKAGING AND NOT ENABLE_FPGA) | ||||
|     set(NONLINEAR_SOURCES "") | ||||
|     if(ARMADILLO_VERSION_STRING VERSION_GREATER 8.400) | ||||
|         set(NONLINEAR_SOURCES | ||||
|             ${CMAKE_CURRENT_SOURCE_DIR}/unit-tests/signal-processing-blocks/tracking/cubature_filter_test.cc | ||||
|             ${CMAKE_CURRENT_SOURCE_DIR}/unit-tests/signal-processing-blocks/tracking/unscented_filter_test.cc | ||||
|         ) | ||||
|     endif() | ||||
|     add_executable(trk_test | ||||
|         ${CMAKE_CURRENT_SOURCE_DIR}/single_test_main.cc | ||||
|         ${CMAKE_CURRENT_SOURCE_DIR}/unit-tests/signal-processing-blocks/tracking/galileo_e1_dll_pll_veml_tracking_test.cc | ||||
|         ${CMAKE_CURRENT_SOURCE_DIR}/unit-tests/signal-processing-blocks/tracking/tracking_loop_filter_test.cc | ||||
|         ${CMAKE_CURRENT_SOURCE_DIR}/unit-tests/signal-processing-blocks/tracking/cpu_multicorrelator_real_codes_test.cc | ||||
|         ${CMAKE_CURRENT_SOURCE_DIR}/unit-tests/signal-processing-blocks/tracking/bayesian_estimation_test.cc | ||||
|         ${CMAKE_CURRENT_SOURCE_DIR}/unit-tests/signal-processing-blocks/tracking/cubature_filter_test.cc | ||||
|         ${NONLINEAR_SOURCES} | ||||
|     ) | ||||
|     if(${FILESYSTEM_FOUND}) | ||||
|         target_compile_definitions(trk_test PRIVATE -DHAS_STD_FILESYSTEM=1) | ||||
|   | ||||
| @@ -99,7 +99,10 @@ DECLARE_string(log_dir); | ||||
| #endif | ||||
|  | ||||
| #include "unit-tests/signal-processing-blocks/tracking/bayesian_estimation_test.cc" | ||||
| #if ARMADILLO_HAVE_MVNRND | ||||
| #include "unit-tests/signal-processing-blocks/tracking/cubature_filter_test.cc" | ||||
| #include "unit-tests/signal-processing-blocks/tracking/unscented_filter_test.cc" | ||||
| #endif | ||||
| #include "unit-tests/signal-processing-blocks/tracking/cpu_multicorrelator_real_codes_test.cc" | ||||
| #include "unit-tests/signal-processing-blocks/tracking/cpu_multicorrelator_test.cc" | ||||
| #include "unit-tests/signal-processing-blocks/tracking/galileo_e1_dll_pll_veml_tracking_test.cc" | ||||
|   | ||||
| @@ -28,12 +28,13 @@ | ||||
|  * ------------------------------------------------------------------------- | ||||
|  */ | ||||
|  | ||||
| #include "cubature_filter.h" | ||||
| #include "nonlinear_tracking.h" | ||||
| #include <armadillo> | ||||
| #include <gtest/gtest.h> | ||||
| #include <random> | ||||
|  | ||||
| #define CUBATURE_TEST_N_TRIALS 1000 | ||||
| #define CUBATURE_TEST_TOLERANCE 0.01 | ||||
|  | ||||
| class Transition_Model : public Model_Function | ||||
| { | ||||
| @@ -127,8 +128,8 @@ TEST(CubatureFilterComputationTest, CubatureFilterTest) | ||||
|             kf_x_pre = kf_F * kf_x_post; | ||||
|             kf_P_x_pre = kf_F * kf_P_x_post * kf_F.t() + kf_Q; | ||||
|  | ||||
|             EXPECT_TRUE(arma::approx_equal(ckf_x_pre, kf_x_pre, "absdiff", 0.01)); | ||||
|             EXPECT_TRUE(arma::approx_equal(ckf_P_x_pre, kf_P_x_pre, "absdiff", 0.01)); | ||||
|             EXPECT_TRUE(arma::approx_equal(ckf_x_pre, kf_x_pre, "absdiff", CUBATURE_TEST_TOLERANCE)); | ||||
|             EXPECT_TRUE(arma::approx_equal(ckf_P_x_pre, kf_P_x_pre, "absdiff", CUBATURE_TEST_TOLERANCE)); | ||||
|  | ||||
|             // Update Step | ||||
|             kf_H = arma::randu<arma::mat>(ny, nx); | ||||
| @@ -151,8 +152,8 @@ TEST(CubatureFilterComputationTest, CubatureFilterTest) | ||||
|             kf_x_post = kf_x_pre + kf_K * (kf_y - kf_H * kf_x_pre); | ||||
|             kf_P_x_post = (arma::eye(nx, nx) - kf_K * kf_H) * kf_P_x_pre; | ||||
|  | ||||
|             EXPECT_TRUE(arma::approx_equal(ckf_x_post, kf_x_post, "absdiff", 0.01)); | ||||
|             EXPECT_TRUE(arma::approx_equal(ckf_P_x_post, kf_P_x_post, "absdiff", 0.01)); | ||||
|             EXPECT_TRUE(arma::approx_equal(ckf_x_post, kf_x_post, "absdiff", CUBATURE_TEST_TOLERANCE)); | ||||
|             EXPECT_TRUE(arma::approx_equal(ckf_P_x_post, kf_P_x_post, "absdiff", CUBATURE_TEST_TOLERANCE)); | ||||
|  | ||||
|             delete transition_function; | ||||
|             delete measurement_function; | ||||
|   | ||||
| @@ -0,0 +1,161 @@ | ||||
| /*! | ||||
|  * \file unscented_filter_test.cc | ||||
|  * \brief  This file implements numerical accuracy test for the CKF library. | ||||
|  * \author Gerald LaMountain, 2019. gerald(at)ece.neu.edu | ||||
|  * | ||||
|  * ------------------------------------------------------------------------- | ||||
|  * | ||||
|  * Copyright (C) 2010-2019  (see AUTHORS file for a list of contributors) | ||||
|  * | ||||
|  * GNSS-SDR is a software defined Global Navigation | ||||
|  *          Satellite Systems receiver | ||||
|  * | ||||
|  * This file is part of GNSS-SDR. | ||||
|  * | ||||
|  * GNSS-SDR is free software: you can redistribute it and/or modify | ||||
|  * it under the terms of the GNU General Public License as published by | ||||
|  * the Free Software Foundation, either version 3 of the License, or | ||||
|  * (at your option) any later version. | ||||
|  * | ||||
|  * GNSS-SDR is distributed in the hope that it will be useful, | ||||
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||||
|  * GNU General Public License for more details. | ||||
|  * | ||||
|  * You should have received a copy of the GNU General Public License | ||||
|  * along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>. | ||||
|  * | ||||
|  * ------------------------------------------------------------------------- | ||||
|  */ | ||||
|  | ||||
| #include "nonlinear_tracking.h" | ||||
| #include <armadillo> | ||||
| #include <gtest/gtest.h> | ||||
| #include <random> | ||||
|  | ||||
| #define UNSCENTED_TEST_N_TRIALS 10 | ||||
| #define UNSCENTED_TEST_TOLERANCE 10 | ||||
|  | ||||
| class Transition_Model_UKF : public Model_Function | ||||
| { | ||||
| public: | ||||
|     Transition_Model_UKF(arma::mat kf_F) { coeff_mat = kf_F; }; | ||||
|     virtual arma::vec operator()(arma::vec input) { return coeff_mat * input; }; | ||||
|  | ||||
| private: | ||||
|     arma::mat coeff_mat; | ||||
| }; | ||||
|  | ||||
| class Measurement_Model_UKF : public Model_Function | ||||
| { | ||||
| public: | ||||
|     Measurement_Model_UKF(arma::mat kf_H) { coeff_mat = kf_H; }; | ||||
|     virtual arma::vec operator()(arma::vec input) { return coeff_mat * input; }; | ||||
|  | ||||
| private: | ||||
|     arma::mat coeff_mat; | ||||
| }; | ||||
|  | ||||
| TEST(UnscentedFilterComputationTest, UnscentedFilterTest) | ||||
| { | ||||
|     Unscented_filter kf_unscented; | ||||
|  | ||||
|     arma::vec kf_x; | ||||
|     arma::mat kf_P_x; | ||||
|  | ||||
|     arma::vec kf_x_pre; | ||||
|     arma::mat kf_P_x_pre; | ||||
|  | ||||
|     arma::vec ukf_x_pre; | ||||
|     arma::mat ukf_P_x_pre; | ||||
|  | ||||
|     arma::vec kf_x_post; | ||||
|     arma::mat kf_P_x_post; | ||||
|  | ||||
|     arma::vec ukf_x_post; | ||||
|     arma::mat ukf_P_x_post; | ||||
|  | ||||
|     arma::mat kf_F; | ||||
|     arma::mat kf_H; | ||||
|  | ||||
|     arma::mat kf_Q; | ||||
|     arma::mat kf_R; | ||||
|  | ||||
|     arma::vec eta; | ||||
|     arma::vec nu; | ||||
|  | ||||
|     arma::vec kf_y; | ||||
|     arma::mat kf_P_y; | ||||
|     arma::mat kf_K; | ||||
|  | ||||
|     Model_Function* transition_function; | ||||
|     Model_Function* measurement_function; | ||||
|  | ||||
|     //--- Perform initializations ------------------------------ | ||||
|  | ||||
|     std::random_device r; | ||||
|     std::default_random_engine e1(r()); | ||||
|     std::normal_distribution<float> normal_dist(0, 5); | ||||
|     std::uniform_real_distribution<float> uniform_dist(0.1, 5.0); | ||||
|  | ||||
|     uint8_t nx = 0; | ||||
|     uint8_t ny = 0; | ||||
|  | ||||
|     for (uint16_t k = 0; k < UNSCENTED_TEST_N_TRIALS; k++) | ||||
|         { | ||||
|             nx = std::rand() % 5 + 1; | ||||
|             ny = std::rand() % 5 + 1; | ||||
|  | ||||
|             kf_x = arma::randn<arma::vec>(nx, 1); | ||||
|  | ||||
|             kf_P_x_post = 5.0 * arma::diagmat(arma::randu<arma::vec>(nx, 1)); | ||||
|             kf_x_post = arma::mvnrnd(kf_x, kf_P_x_post); | ||||
|  | ||||
|             kf_unscented.initialize(kf_x_post, kf_P_x_post); | ||||
|  | ||||
|             // Prediction Step | ||||
|             kf_F = arma::randu<arma::mat>(nx, nx); | ||||
|             kf_Q = arma::diagmat(arma::randu<arma::vec>(nx, 1)); | ||||
|  | ||||
|             transition_function = new Transition_Model_UKF(kf_F); | ||||
|             arma::mat ttx = (*transition_function)(kf_x_post); | ||||
|  | ||||
|             kf_unscented.predict_sequential(kf_x_post, kf_P_x_post, transition_function, kf_Q); | ||||
|  | ||||
|             ukf_x_pre = kf_unscented.get_x_pred(); | ||||
|             ukf_P_x_pre = kf_unscented.get_P_x_pred(); | ||||
|  | ||||
|             kf_x_pre = kf_F * kf_x_post; | ||||
|             kf_P_x_pre = kf_F * kf_P_x_post * kf_F.t() + kf_Q; | ||||
|  | ||||
|             EXPECT_TRUE(arma::approx_equal(ukf_x_pre, kf_x_pre, "absdiff", UNSCENTED_TEST_TOLERANCE)); | ||||
|             EXPECT_TRUE(arma::approx_equal(ukf_P_x_pre, kf_P_x_pre, "absdiff", UNSCENTED_TEST_TOLERANCE)); | ||||
|  | ||||
|             // Update Step | ||||
|             kf_H = arma::randu<arma::mat>(ny, nx); | ||||
|             kf_R = arma::diagmat(arma::randu<arma::vec>(ny, 1)); | ||||
|  | ||||
|             eta = arma::mvnrnd(arma::zeros<arma::vec>(nx, 1), kf_Q); | ||||
|             nu = arma::mvnrnd(arma::zeros<arma::vec>(ny, 1), kf_R); | ||||
|  | ||||
|             kf_y = kf_H * (kf_F * kf_x + eta) + nu; | ||||
|  | ||||
|             measurement_function = new Measurement_Model_UKF(kf_H); | ||||
|             kf_unscented.update_sequential(kf_y, kf_x_pre, kf_P_x_pre, measurement_function, kf_R); | ||||
|  | ||||
|             ukf_x_post = kf_unscented.get_x_est(); | ||||
|             ukf_P_x_post = kf_unscented.get_P_x_est(); | ||||
|  | ||||
|             kf_P_y = kf_H * kf_P_x_pre * kf_H.t() + kf_R; | ||||
|             kf_K = (kf_P_x_pre * kf_H.t()) * arma::inv(kf_P_y); | ||||
|  | ||||
|             kf_x_post = kf_x_pre + kf_K * (kf_y - kf_H * kf_x_pre); | ||||
|             kf_P_x_post = (arma::eye(nx, nx) - kf_K * kf_H) * kf_P_x_pre; | ||||
|  | ||||
|             EXPECT_TRUE(arma::approx_equal(ukf_x_post, kf_x_post, "absdiff", UNSCENTED_TEST_TOLERANCE)); | ||||
|             EXPECT_TRUE(arma::approx_equal(ukf_P_x_post, kf_P_x_post, "absdiff", UNSCENTED_TEST_TOLERANCE)); | ||||
|  | ||||
|             delete transition_function; | ||||
|             delete measurement_function; | ||||
|         } | ||||
| } | ||||
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	 Carles Fernandez
					Carles Fernandez