message: Add char identifiers for missing basis types
diff: @@ -104,7 +104,8 @@ public:
  /// Check and convert a BasisType constant to a char basis identifier.
  static char GetChar(int b_type)
  {
  - static const char ident[] = { 'g', 'G', 'P', 'u', 'U', 'o' };
  + static const char ident[]
  + = { 'g', 'G', 'P', 'u', 'U', 'o', 'S', 'c', 'i' };
  return ident[Check(b_type)];
  }
  /// Convert char basis identifier to a BasisType constant.
  @@ -114,11 +115,14 @@ public:
  {
  case 'g': return GaussLegendre;
  case 'G': return GaussLobatto;
  + case 's': return GaussLobatto;
  case 'P': return Positive;
  case 'u': return OpenUniform;
  case 'U': return ClosedUniform;
  case 'o': return OpenHalfUniform;
  - case 's': return GaussLobatto;
  + case 'S': return Serendipity;
  + case 'c': return ClosedGL;
  + case 'i': return Integrated;
  }
  MFEM_ABORT("unknown BasisType identifier");
  return -1;
  