xtensor-stack · JohanMabille · Apr 14, 2025 · Mar 31, 2025 · Apr 14, 2025 · Apr 14, 2025
diff --git a/.github/workflows/osx.yml b/.github/workflows/osx.yml
@@ -39,7 +39,7 @@ jobs:
       run: micromamba install 'openblas==0.3.29=openmp*' blas-devel
 
     - name: Configure using CMake
-      run: cmake -Bbuild -DDOWNLOAD_GTEST=ON -DCMAKE_PREFIX_PATH=$CONDA_PREFIX -DCMAKE_SYSTEM_IGNORE_PATH=/usr/lib
+      run: cmake -Bbuild -DCMAKE_CXX_STANDARD=17 -DDOWNLOAD_GTEST=ON -DCMAKE_PREFIX_PATH=$CONDA_PREFIX -DCMAKE_SYSTEM_IGNORE_PATH=/usr/lib
 
     - name: Build
       working-directory: build

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -44,7 +44,7 @@ message(STATUS "xtensor-blas v${${PROJECT_NAME}_VERSION}")
 # Dependencies
 # ============
 
-set(xtensor_REQUIRED_VERSION 0.25.0)
+set(xtensor_REQUIRED_VERSION 0.26.0)
 if(TARGET xtensor)
     set(xtensor_VERSION ${XTENSOR_VERSION_MAJOR}.${XTENSOR_VERSION_MINOR}.${XTENSOR_VERSION_PATCH})
     # Note: This is not SEMVER compatible comparison

diff --git a/benchmark/CMakeLists.txt b/benchmark/CMakeLists.txt
@@ -28,13 +28,7 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU"
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
     endif()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wunused-parameter -Wextra -Wreorder")
-    CHECK_CXX_COMPILER_FLAG("-std=c++14" HAS_CPP14_FLAG)
-
-    if (HAS_CPP14_FLAG)
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
-    else()
-        message(FATAL_ERROR "Unsupported compiler -- xtensor requires C++14 support!")
-    endif()
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
 
     # Enable link time optimization and set the default symbol
     # visibility to hidden (very important to obtain small binaries)

diff --git a/benchmark/benchmark_blas.hpp b/benchmark/benchmark_blas.hpp
@@ -11,9 +11,9 @@
 
 #include <benchmark/benchmark.h>
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xnoalias.hpp"
-#include "xtensor/xtensor.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xtensor.hpp"
+#include "xtensor/core/xnoalias.hpp"
 
 #include "xtensor-blas/xlinalg.hpp"
 

diff --git a/environment-dev.yml b/environment-dev.yml
@@ -3,4 +3,4 @@ channels:
 - conda-forge
 dependencies:
 - cmake
-- xtensor>=0.25.0,<0.26
+- xtensor>=0.26.0,<0.27
diff --git a/include/xtensor-blas/xblas.hpp b/include/xtensor-blas/xblas.hpp
@@ -12,11 +12,11 @@
 
 #include <algorithm>
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xcomplex.hpp"
-#include "xtensor/xio.hpp"
-#include "xtensor/xtensor.hpp"
-#include "xtensor/xutils.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xtensor.hpp"
+#include "xtensor/io/xio.hpp"
+#include "xtensor/misc/xcomplex.hpp"
+#include "xtensor/utils/xutils.hpp"
 
 #include "xflens/cxxblas/cxxblas.cxx"
 #include "xtensor-blas/xblas_config.hpp"

diff --git a/include/xtensor-blas/xblas_utils.hpp b/include/xtensor-blas/xblas_utils.hpp
@@ -14,7 +14,7 @@
 #include <tuple>
 #include <type_traits>
 
-#include "xtensor/xutils.hpp"
+#include "xtensor/utils/xutils.hpp"
 
 #include "xflens/cxxblas/typedefs.h"
 #include "xtensor-blas/xblas_config.hpp"

diff --git a/include/xtensor-blas/xlapack.hpp b/include/xtensor-blas/xlapack.hpp
@@ -12,12 +12,12 @@
 
 #include <algorithm>
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xcomplex.hpp"
-#include "xtensor/xio.hpp"
-#include "xtensor/xstorage.hpp"
-#include "xtensor/xtensor.hpp"
-#include "xtensor/xutils.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xstorage.hpp"
+#include "xtensor/containers/xtensor.hpp"
+#include "xtensor/io/xio.hpp"
+#include "xtensor/misc/xcomplex.hpp"
+#include "xtensor/utils/xutils.hpp"
 
 #include "xflens/cxxlapack/cxxlapack.cxx"
 #include "xtensor-blas/xblas_config.hpp"

diff --git a/include/xtensor-blas/xlinalg.hpp b/include/xtensor-blas/xlinalg.hpp
@@ -15,15 +15,15 @@
 #include <limits>
 #include <sstream>
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xcomplex.hpp"
-#include "xtensor/xeval.hpp"
-#include "xtensor/xio.hpp"
-#include "xtensor/xmanipulation.hpp"
-#include "xtensor/xstrided_view.hpp"
-#include "xtensor/xtensor.hpp"
-#include "xtensor/xutils.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xtensor.hpp"
+#include "xtensor/core/xeval.hpp"
+#include "xtensor/io/xio.hpp"
+#include "xtensor/misc/xcomplex.hpp"
+#include "xtensor/misc/xmanipulation.hpp"
+#include "xtensor/utils/xutils.hpp"
+#include "xtensor/views/xstrided_view.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "xtensor-blas/xblas.hpp"
 #include "xtensor-blas/xblas_utils.hpp"

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
@@ -33,27 +33,27 @@ string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
 
 include(set_compiler_flag.cmake)
 
-if(CPP17)
-  # User requested C++17, but compiler might not oblige.
+if(CPP20)
+  # User requested C++20, but compiler might not oblige.
   set_compiler_flag(
     _cxx_std_flag CXX
-    "-std=c++17"  # this should work with GNU, Intel, PGI
-    "/std:c++17"  # this should work with MSVC
+    "-std=c++20"  # this should work with GNU, Intel, PGI
+    "/std:c++20"  # this should work with MSVC
   )
   if(_cxx_std_flag)
-    message(STATUS "Building with C++17")
+    message(STATUS "Building with C++20")
   endif()
 else()
   set_compiler_flag(
     _cxx_std_flag CXX REQUIRED
-    "-std=c++14"  # this should work with GNU, Intel, PGI
-    "/std:c++14"  # this should work with MSVC
+    "-std=c++17"  # this should work with GNU, Intel, PGI
+    "/std:c++17"  # this should work with MSVC
   )
-  message(STATUS "Building with C++14")
+  message(STATUS "Building with C++17")
 endif()
 
 if(NOT _cxx_std_flag)
-  message(FATAL_ERROR "xtensor-blas needs a C++14-compliant compiler.")
+  message(FATAL_ERROR "xtensor-blas needs a C++17-compliant compiler.")
 endif()
 
 if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR (CMAKE_CXX_COMPILER_ID MATCHES "Intel" AND NOT WIN32))
@@ -115,10 +115,7 @@ if(DOWNLOAD_GTEST OR GTEST_SRC_DIR)
                      ${CMAKE_CURRENT_BINARY_DIR}/googletest-build EXCLUDE_FROM_ALL)
 
     set(GTEST_INCLUDE_DIRS "${gtest_SOURCE_DIR}/include")
-    add_library(GTest::GTest INTERFACE IMPORTED)
-    target_link_libraries(GTest::GTest INTERFACE gtest)
-    add_library(GTest::Main INTERFACE IMPORTED)
-    target_link_libraries(GTest::Main INTERFACE gtest_main)
+    set(GTEST_BOTH_LIBRARIES gtest_main gtest)
 else()
     find_package(GTest REQUIRED)
 endif()
@@ -161,7 +158,7 @@ if(DOWNLOAD_GTEST OR GTEST_SRC_DIR)
     add_dependencies(test_xtensor_blas gtest_main)
 endif()
 
-target_link_libraries(test_xtensor_blas ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES} GTest::GTest GTest::Main ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries(test_xtensor_blas ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES} ${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
 
 add_custom_target(xtest COMMAND test_xtensor_blas DEPENDS test_xtensor_blas)
 add_test(NAME xtest COMMAND test_xtensor_blas)
diff --git a/test/test_blas.cpp b/test/test_blas.cpp
@@ -7,10 +7,10 @@
  * The full license is in the file LICENSE, distributed with this software. *
  ****************************************************************************/
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xbuilder.hpp"
-#include "xtensor/xrandom.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/generators/xbuilder.hpp"
+#include "xtensor/generators/xrandom.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "gtest/gtest.h"
 #include "xtensor-blas/xblas.hpp"

diff --git a/test/test_dot.cpp b/test/test_dot.cpp
@@ -7,10 +7,10 @@
  * The full license is in the file LICENSE, distributed with this software. *
  ****************************************************************************/
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xbuilder.hpp"
-#include "xtensor/xstrided_view.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/generators/xbuilder.hpp"
+#include "xtensor/views/xstrided_view.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "gtest/gtest.h"
 #include "xtensor-blas/xlinalg.hpp"

diff --git a/test/test_dot_extended.cpp b/test/test_dot_extended.cpp
@@ -12,8 +12,8 @@
 
 #include <algorithm>
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xtensor.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xtensor.hpp"
 
 #include "gtest/gtest.h"
 #include "xtensor-blas/xlinalg.hpp"

diff --git a/test/test_float_norm.cpp b/test/test_float_norm.cpp
@@ -9,10 +9,10 @@
 
 // this test is for https://github.com/xtensor-stack/xtensor-blas/issues/206
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xbuilder.hpp"
-#include "xtensor/xrandom.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/generators/xbuilder.hpp"
+#include "xtensor/generators/xrandom.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "gtest/gtest.h"
 #include "xtensor-blas/xblas.hpp"

diff --git a/test/test_generator/cppy_source/test_dot_extended.cppy b/test/test_generator/cppy_source/test_dot_extended.cppy
@@ -10,8 +10,8 @@
 #include <algorithm>
 
 #include "gtest/gtest.h"
-#include "xtensor/xarray.hpp"
-#include "xtensor/xtensor.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xtensor.hpp"
 
 #include "xtensor-blas/xlinalg.hpp"
 

diff --git a/test/test_generator/cppy_source/test_lstsq.cppy b/test/test_generator/cppy_source/test_lstsq.cppy
@@ -10,12 +10,12 @@
 #include <algorithm>
 
 #include "gtest/gtest.h"
-#include "xtensor/xarray.hpp"
-#include "xtensor/xfixed.hpp"
-#include "xtensor/xnoalias.hpp"
-#include "xtensor/xstrided_view.hpp"
-#include "xtensor/xtensor.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xfixed.hpp"
+#include "xtensor/core/xnoalias.hpp"
+#include "xtensor/views/xstrided_view.hpp"
+#include "xtensor/containers/xtensor.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "xtensor-blas/xlinalg.hpp"
 

diff --git a/test/test_generator/cppy_source/test_qr.cppy b/test/test_generator/cppy_source/test_qr.cppy
@@ -10,12 +10,12 @@
 #include <algorithm>
 
 #include "gtest/gtest.h"
-#include "xtensor/xarray.hpp"
-#include "xtensor/xfixed.hpp"
-#include "xtensor/xnoalias.hpp"
-#include "xtensor/xstrided_view.hpp"
-#include "xtensor/xtensor.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xfixed.hpp"
+#include "xtensor/core/xnoalias.hpp"
+#include "xtensor/views/xstrided_view.hpp"
+#include "xtensor/containers/xtensor.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "xtensor-blas/xlinalg.hpp"
 

diff --git a/test/test_lapack.cpp b/test/test_lapack.cpp
@@ -7,11 +7,11 @@
  * The full license is in the file LICENSE, distributed with this software. *
  ****************************************************************************/
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xbuilder.hpp"
-#include "xtensor/xcomplex.hpp"
-#include "xtensor/xio.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/generators/xbuilder.hpp"
+#include "xtensor/io/xio.hpp"
+#include "xtensor/misc/xcomplex.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "gtest/gtest.h"
 #include "xtensor-blas/xblas.hpp"

diff --git a/test/test_linalg.cpp b/test/test_linalg.cpp
@@ -7,12 +7,12 @@
  * The full license is in the file LICENSE, distributed with this software. *
  ****************************************************************************/
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xbuilder.hpp"
-#include "xtensor/xcomplex.hpp"
-#include "xtensor/xio.hpp"
-#include "xtensor/xrandom.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/generators/xbuilder.hpp"
+#include "xtensor/generators/xrandom.hpp"
+#include "xtensor/io/xio.hpp"
+#include "xtensor/misc/xcomplex.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "gtest/gtest.h"
 #include "xtensor-blas/xblas.hpp"

diff --git a/test/test_lstsq.cpp b/test/test_lstsq.cpp
@@ -12,12 +12,12 @@
 
 #include <algorithm>
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xfixed.hpp"
-#include "xtensor/xnoalias.hpp"
-#include "xtensor/xstrided_view.hpp"
-#include "xtensor/xtensor.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xfixed.hpp"
+#include "xtensor/containers/xtensor.hpp"
+#include "xtensor/core/xnoalias.hpp"
+#include "xtensor/views/xstrided_view.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "gtest/gtest.h"
 #include "xtensor-blas/xlinalg.hpp"

diff --git a/test/test_qr.cpp b/test/test_qr.cpp
@@ -12,12 +12,12 @@
 
 #include <algorithm>
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xfixed.hpp"
-#include "xtensor/xnoalias.hpp"
-#include "xtensor/xstrided_view.hpp"
-#include "xtensor/xtensor.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/containers/xfixed.hpp"
+#include "xtensor/containers/xtensor.hpp"
+#include "xtensor/core/xnoalias.hpp"
+#include "xtensor/views/xstrided_view.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "gtest/gtest.h"
 #include "xtensor-blas/xlinalg.hpp"

diff --git a/test/test_tensordot.cpp b/test/test_tensordot.cpp
@@ -7,10 +7,10 @@
  * The full license is in the file LICENSE, distributed with this software. *
  ****************************************************************************/
 
-#include "xtensor/xarray.hpp"
-#include "xtensor/xbuilder.hpp"
-#include "xtensor/xstrided_view.hpp"
-#include "xtensor/xview.hpp"
+#include "xtensor/containers/xarray.hpp"
+#include "xtensor/generators/xbuilder.hpp"
+#include "xtensor/views/xstrided_view.hpp"
+#include "xtensor/views/xview.hpp"
 
 #include "gtest/gtest.h"
 #include "xtensor-blas/xlinalg.hpp"

diff --git a/xtensor-blasConfig.cmake.in b/xtensor-blasConfig.cmake.in
@@ -23,9 +23,6 @@ if(NOT TARGET @PROJECT_NAME@)
   find_dependency(BLAS REQUIRED)
   find_dependency(LAPACK REQUIRED)
   target_link_libraries(xtensor-blas INTERFACE ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES})
-  if(${CMAKE_VERSION} VERSION_GREATER_EQUAL 3.8)
-    target_compile_features(xtensor-blas INTERFACE cxx_std_14)
-  endif()
 endif()
 
 set(PN xtensor_blas)