trying newer Windows builds

appveyor.yml

@@ -1,6 +1,6 @@
 version: '1.0.{build}'
 
-image: Visual Studio 2015
+image: Visual Studio 2022
 
 platform:
   - x64
@@ -26,7 +26,7 @@ install:
 before_build:
     - md build
     - cd build
-    - cmake -G "Visual Studio 14 2015" -A x64 -T v140,host=x64 -DBUILD_SHARED_LIBS=%DBUILD_SHARED_LIBS% -DPopSift_BUILD_DOCS:BOOL=OFF -DPopSift_USE_POSITION_INDEPENDENT_CODE:BOOL=%DBUILD_SHARED_LIBS% -DPopSift_BUILD_EXAMPLES:BOOL=ON -DCMAKE_BUILD_TYPE=%configuration% -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ..
+    - cmake -G "Visual Studio 17 2022" -A x64 -T v170,host=x64 -DBUILD_SHARED_LIBS=%DBUILD_SHARED_LIBS% -DPopSift_BUILD_DOCS:BOOL=OFF -DPopSift_USE_POSITION_INDEPENDENT_CODE:BOOL=%DBUILD_SHARED_LIBS% -DPopSift_BUILD_EXAMPLES:BOOL=ON -DCMAKE_BUILD_TYPE=%configuration% -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ..
     - ls -l
 
 build:

cudaInstallAppveyor.cmd

@@ -1,19 +1,19 @@
 @echo off
-echo Downloading CUDA toolkit 9
-appveyor DownloadFile  https://developer.nvidia.com/compute/cuda/9.1/Prod/local_installers/cuda_9.1.85_windows -FileName cuda_9.1.85_windows.exe
+echo Downloading CUDA toolkit 12 for Windows 11
+appveyor DownloadFile https://developer.download.nvidia.com/compute/cuda/12.0.0/local_installers/cuda_12.0.0_527.41_windows.exe -Filename cuda_12.0.0_windows.exe
 dir
-echo Installing CUDA toolkit 9
-cuda_9.1.85_windows.exe -s nvcc_9.1 ^
-                           cublas_9.1 ^
-                           cublas_dev_9.1 ^
-                           cudart_9.1 ^
-                           curand_9.1 ^
-                           curand_dev_9.1
+echo Installing CUDA toolkit 12
+cuda_12.0.0_windows.exe -s nvcc_12.0 ^
+                           cublas_12.0 ^
+                           cublas_dev_12.0 ^
+                           cudart_12.0 ^
+                           curand_12.0 ^
+                           curand_dev_12.0
 
-echo CUDA toolkit 9 installed
+echo CUDA toolkit 12 installed
 
 dir "%ProgramFiles%"
 
-set PATH=%ProgramFiles%\NVIDIA GPU Computing Toolkit\CUDA\v9.1\bin;%ProgramFiles%\NVIDIA GPU Computing Toolkit\CUDA\v9.1\libnvvp;%PATH%
+set PATH=%ProgramFiles%\NVIDIA GPU Computing Toolkit\CUDA\v12.0\bin;%ProgramFiles%\NVIDIA GPU Computing Toolkit\CUDA\v12.0\libnvvp;%PATH%
 
-nvcc -V
+nvcc -V