Merge branch 'upstream-VXL' into vxl-missing-warning-fix

* upstream-VXL:
  VXL 2025-11-11 (9a17c839)

Author: hjmjohnson

Modules/ThirdParty/VNL/src/vxl/CMakeLists.txt

@@ -13,9 +13,11 @@
 #
 #   [email protected]
 
-cmake_minimum_required(VERSION 3.10.2...3.20.3)
+cmake_minimum_required(VERSION 3.10.2...3.31.9)
 if(CMAKE_VERSION VERSION_LESS 3.12.0)
   cmake_policy(VERSION ${CMAKE_VERSION})
+else()
+  cmake_policy(VERSION 3.10.2...3.31.9)
 endif()
 
 if(NOT CMAKE_CXX_STANDARD)

Modules/ThirdParty/VNL/src/vxl/config/cmake/config/vxl_shared_link_test/CMakeLists.txt

@@ -4,11 +4,11 @@
 # Set policies consistent with newer versions of cmake
 # to ease integration with projects that require newer
 # cmake versions.
-cmake_minimum_required(VERSION 3.10.2)
+cmake_minimum_required(VERSION 3.10.2...3.31.9)
 if(CMAKE_VERSION VERSION_LESS 3.12.0)
   cmake_policy(VERSION ${CMAKE_VERSION})
 else()
-  cmake_policy(VERSION 3.10.2...3.13.2)
+  cmake_policy(VERSION 3.10.2...3.31.9)
 endif()
 
 project(vxl_pic_compatible)

Modules/ThirdParty/VNL/src/vxl/core/vnl/vnl_complex_traits.h

@@ -205,10 +205,11 @@ struct VNL_EXPORT vnl_complex_traits<std::complex<vnl_bignum>>
   {
     isreal = false
   };
-  static std::complex<vnl_bignum>
+  static std::complex<float>
   conjugate(std::complex<vnl_bignum> x)
   {
-    return std::complex<vnl_bignum>(x.real(), -x.imag());
+    throw std::runtime_error("Can not call complexify on non floating point data type");
+    return std::complex<float>(0., 0.);
   }
   static std::complex<float>
   complexify(std::complex<float> /* x */)