added proper effort and distance

Author: awxkee

JxlCoder.podspec

@@ -19,7 +19,7 @@ Pod::Spec.new do |s|
     s.pod_target_xcconfig = {
         'OTHER_CXXFLAGS' => '$(inherited) -std=c++20',
         'HEADER_SEARCH_PATHS' => '$(inherited) "$(PODS_TARGET_SRCROOT)/Sources/Frameworks/libjxl.xcframework/ios-arm64/Headers"',
-        'OTHER_CPLUSPLUSFLAGS' => '$(inherited) -fmodules -fcxx-modules'
+        'OTHER_CPLUSPLUSFLAGS' => '$(inherited) -fmodules -fcxx-modules -std=c++20'
     }
     s.preserve_paths = "Sources/Frameworks/*.xcframework", "Sources/Frameworks/*.xcframework/**/Headers", "Sources/Frameworks/libjxl.xcframework/ios-arm64/Headers/jxl", "Sources/Frameworks/libjxl.xcframework/ios-arm64/Headers/jpegli"
     s.libraries = 'c++'

Sources/jxlc/JxlInternalCoder.mm

@@ -30,6 +30,7 @@
 #import <Accelerate/Accelerate.h>
 #import "RgbRgbaConverter.hpp"
 #import "RgbaScaler.h"
+#import <algorithm>
 
 static void JXLCGData16ProviderReleaseDataCallback(void *info, const void *data, size_t size) {
     auto dataWrapper = static_cast<JXLDataWrapper<uint16_t>*>(info);