Implement thrust::equal in terms of thrust::all_if

thrust/thrust/system/cuda/detail/equal.h

@@ -37,9 +37,8 @@
 #endif // no system header
 
 #if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC
-#  include <thrust/system/cuda/config.h>
 
-#  include <thrust/system/cuda/detail/mismatch.h>
+#  include <thrust/logical.h>
 
 THRUST_NAMESPACE_BEGIN
 namespace cuda_cub
@@ -49,7 +48,10 @@ template <class Derived, class InputIt1, class InputIt2, class BinaryPred>
 bool _CCCL_HOST_DEVICE
 equal(execution_policy<Derived>& policy, InputIt1 first1, InputIt1 last1, InputIt2 first2, BinaryPred binary_pred)
 {
-  return cuda_cub::mismatch(policy, first1, last1, first2, binary_pred).first == last1;
+  const auto n                  = distance(first1, last1);
+  using transform_t             = transform_pair_of_input_iterators_t<bool, InputIt1, InputIt2, BinaryPred>;
+  transform_t transformed_first = transform_t(first1, first2, binary_pred);
+  return thrust::all_of(policy, transformed_first, transformed_first + n, identity{});
 }
 
 template <class Derived, class InputIt1, class InputIt2>