Update to HEXL v1.2.2

CMakeLists.txt

@@ -223,7 +223,7 @@ if(SEAL_USE_INTEL_HEXL)
         message(STATUS "Intel HEXL: download ...")
         seal_fetch_thirdparty_content(ExternalIntelHEXL)
     else()
-        find_package(HEXL 1.2.1)
+        find_package(HEXL 1.2.2)
         if (NOT TARGET HEXL::hexl)
             message(FATAL_ERROR "Intel HEXL: not found")
         endif()

README.md

@@ -116,7 +116,7 @@ The optional dependencies and their tested versions (other versions may work as
 
 | Optional dependency                                    | Tested version | Use                                              |
 | ------------------------------------------------------ | -------------- | ------------------------------------------------ |
-| [Intel HEXL](https://github.com/intel/hexl)            | 1.2.1          | Acceleration of low-level kernels                |
+| [Intel HEXL](https://github.com/intel/hexl)            | 1.2.2          | Acceleration of low-level kernels                |
 | [Microsoft GSL](https://github.com/microsoft/GSL)      | 3.1.0          | API extensions                                   |
 | [ZLIB](https://github.com/madler/zlib)                 | 1.2.11         | Compressed serialization                         |
 | [Zstandard](https://github.com/facebook/zstd)          | 1.4.5          | Compressed serialization (much faster than ZLIB) |

cmake/ExternalIntelHEXL.cmake

@@ -5,7 +5,7 @@ FetchContent_Declare(
     hexl
     PREFIX hexl
     GIT_REPOSITORY https://github.com/intel/hexl
-    GIT_TAG f976b7d820a605973819863cb201a0e1a4ecf96b # beyond 1.2.1
+    GIT_TAG 1.2.2
 )
 FetchContent_GetProperties(hexl)
 

native/src/seal/util/polyarithsmallmod.cpp

@@ -33,7 +33,7 @@ namespace seal
 #endif
 
 #ifdef SEAL_USE_INTEL_HEXL
-            intel::hexl::EltwiseReduceMod(result, poly, coeff_count, modulus.value(), 0, 1);
+            intel::hexl::EltwiseReduceMod(result, poly, coeff_count, modulus.value(), modulus.value(), 1);
 #else
             SEAL_ITERATE(
                 iter(poly, result), coeff_count, [&](auto I) { get<1>(I) = barrett_reduce_64(get<0>(I), modulus); });