add no-copy hermitian transpose support to matmul (#1173)

Author: simonbyrne

include/matx/operators/hermitian.h

@@ -112,6 +112,8 @@ namespace matx
 #endif
 
 	      __MATX_INLINE__ std::string str() const { return "hermitian(" + op_.str() + ")"; }
+        __MATX_INLINE__ const auto& Input() const noexcept { return op_; }
+
         __MATX_INLINE__ HermitianTransOp(const T1 &op) : op_(op) {
           MATX_LOG_TRACE("{} constructor: rank={}", str(), Rank());
           static_assert(Rank() >= 2, "Hermitian operation needs input with rank >= 2");

include/matx/operators/unary_operators.h

@@ -87,6 +87,10 @@ namespace matx
       return op_.str() + "(" + get_type_str(in1_) + ")";
     }
 
+    __MATX_INLINE__ const auto& Input() const noexcept {
+      return in1_;
+    }
+
     __MATX_INLINE__ matxUnaryOp(const I1 &in1, const Op &op) : in1_(in1), op_(op) {
       MATX_LOG_TRACE("{} constructor: rank={}", str(), Rank());
       if constexpr (Rank() > 0) {