modify constexpr fall-through return into else (#888)

Author: aartbik

include/matx/transforms/convert/dense2sparse_cusparse.h

@@ -250,9 +250,11 @@ using dense2sparse_cache_t =
 template <typename Op>
 __MATX_INLINE__ auto getD2SSupportedTensor(const Op &in, cudaStream_t stream) {
   const auto func = [&]() {
-    if constexpr (is_tensor_view_v<Op>)
+    if constexpr (is_tensor_view_v<Op>) {
       return in.Stride(Op::Rank() - 1) == 1;
-    return true;
+    } else {
+      return true;
+    }
   };
   return GetSupportedTensor(in, func, MATX_ASYNC_DEVICE_MEMORY, stream);
 }

include/matx/transforms/convert/sparse2dense_cusparse.h

@@ -210,9 +210,11 @@ using sparse2dense_cache_t =
 template <typename Op>
 __MATX_INLINE__ auto getS2DSupportedTensor(const Op &in, cudaStream_t stream) {
   const auto func = [&]() {
-    if constexpr (is_tensor_view_v<Op>)
+    if constexpr (is_tensor_view_v<Op>) {
       return in.Stride(Op::Rank() - 1) == 1;
-    return true;
+    } else {
+      return true;
+    }
   };
   return GetSupportedTensor(in, func, MATX_ASYNC_DEVICE_MEMORY, stream);
 }

include/matx/transforms/matmul/matmul_cusparse.h

@@ -259,9 +259,11 @@ template <typename Op>
 __MATX_INLINE__ auto getCuSparseSupportedTensor(const Op &in,
                                                 cudaStream_t stream) {
   const auto func = [&]() {
-    if constexpr (is_tensor_view_v<Op>)
+    if constexpr (is_tensor_view_v<Op>) {
       return in.Stride(Op::Rank() - 1) == 1;
-    return true;
+    } else {
+      return true;
+    }
   };
   return GetSupportedTensor(in, func, MATX_ASYNC_DEVICE_MEMORY, stream);
 }