Correct a unittest precision

Try to fix the arm64 windows build

Author: florianbecker

cmake/external/icu.cmake

@@ -78,7 +78,8 @@ if(WIN32)
   if(CMAKE_SIZEOF_VOID_P EQUAL 4)
     set(ICU_BUILD_COMMAND msbuild ${ICU_SRC}/src/ICU/source/allinone/allinone.sln /p:Configuration=${CMAKE_BUILD_TYPE} /p:Platform=Win32 /p:SkipUWP=true /m:${CPU_COUNT})
   else()
-    if(${CMAKE_SYSTEM_PROCESSOR} MATCHES arm)
+    get_filename_component(COMPILER_DIR ${CMAKE_CXX_COMPILER} DIRECTORY)
+    if(${COMPILER_DIR} MATCHES arm)
       set(ICU_BUILD_COMMAND msbuild ${ICU_SRC}/src/ICU/source/allinone/allinone.sln /p:Configuration=${CMAKE_BUILD_TYPE} /p:Platform=ARM64 /p:SkipUWP=true /m:${CPU_COUNT})
     else()
       set(ICU_BUILD_COMMAND msbuild ${ICU_SRC}/src/ICU/source/allinone/allinone.sln /p:Configuration=${CMAKE_BUILD_TYPE} /p:Platform=x64 /p:SkipUWP=true /m:${CPU_COUNT})

tests/test_distance.cpp

@@ -124,7 +124,7 @@ namespace vx {
     while ( ( resultCode = sqlite3_step( statement.get() ) ) == SQLITE_ROW ) {
 
       const double distance = sqlite3_column_double( statement.get(), 0 );
-      EXPECT_TRUE( floating_point::equal( distance, 504.100899610037 ) );
+      EXPECT_TRUE( floating_point::equal( distance, 504.10089961002807968 ) );
     }
     if ( resultCode != SQLITE_DONE ) {