message: Improving comments in ComplexOperator
diff: @@ -27,7 +27,8 @@ namespace mfem
  ComplexOperator allows one to choose a convention upon construction, which
  facilitates symmetry.
  - Matrix-vector products are then computed as:
  + If we let (y_r + i y_i) = (Op_r + i Op_i)(x_r + i x_i) then Matrix-vector
  + products are then computed as:
  1. When Convention::HERMITIAN is used (default)
  / y_r \ / Op_r -Op_i \ / x_r \
  @@ -38,6 +39,8 @@ namespace mfem
  / y_r \ / Op_r -Op_i \ / x_r \
  | | = | | | |
  \-y_i / \-Op_i -Op_r / \ x_i /
  + In other words, Matrix-vector products with Convention::BLOCK_SYMMETRIC
  + compute the complex conjugate of Op*x.
  Either convention can be used with a given complex operator,
  however, each of them is best suited for certain classes of
  @@ -157,4 +160,4 @@ public:
  }
  -#endif
  +#endif // MFEM_COMPLEX_OPERATOR
  