// Will be nullptr if conversion is not supported.
  const Type expressed_type;
};

// Reference implementation of converting between real numbers and values
// represented by a UniformQuantizedType.
// Note that this is not expected to be speedy and may be superseded eventually
// by a more optimal implementation.
// Also, the interface assumes that quantization is done per-layer and will

 */

/*
 *  Contains all the Type Definitions and functions declarations
 *  for the CUnit test database maintenance.
 *
 *  Aug 2001      Initial implementation. (AK)
 *
 *  09/Aug/2001   Added Preprocessor conditionals for the file. (AK)
 *
 *  24/aug/2001   Made the linked list from SLL to DLL(doubly linked list). (AK)
 *

template <typename ConcreteType>
class LayoutAgnostic : public TraitBase<ConcreteType, LayoutAgnostic> {};

// Trait to indicate operations that cannot be duplicated as they might carry
// certain state around within their implementations.
template <typename ConcreteType>
class CannotDuplicate : public TraitBase<ConcreteType, CannotDuplicate> {
 public:
  static LogicalResult verifyTrait(Operation* op) {
    if (isMemoryEffectFree(op))

        // The default nudging implementation of mlir quant library might cause
        // clamping during inference if the calibration range isn't wide enough.
        // So here we adjust the range to include 0.0.
        rmin = std::min(rmin, 0.0);
        rmax = std::max(rmax, 0.0);
        if (num_bits == 16) {
          // TODO: b/266536261 - Since the kernel implementation assumes that

struct TraceInfo;                      // Information about a trace point.
class ScopedTrace;                     // Implements scoped trace.
class TestInfoImpl;                    // Opaque implementation of TestInfo
class UnitTestImpl;                    // Opaque implementation of UnitTest

// How many times InitGoogleTest() has been called.
GTEST_API_ extern int g_init_gtest_count;

// The text used in failure messages to indicate the start of the

 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
 *  Contains Interface to Run tests.
 *
 *  Aug 2001      Initial implementation. (AK)
 *
 *  09/Aug/2001   Contains generic run tests interface which can be used
 *                for any type of frontend interface framework. (AK)
 *

  /// co-located on the device where op is placed.
  /// NOTE: This function is intended to be use internal libraries only for
  /// controlling placement of ops on to devices. Public use is not encouraged
  /// because the implementation of device placement is subject to change.
  Scope ColocateWith(const Operation& op) const;
  /// Convenience function for above.
  Scope ColocateWith(const Output& out) const { return ColocateWith(out.op()); }

    // that the user is not surprised when XLA is implicitly enabled. If the
    // user explicitly specifies to use XLA, it is fine to resort to a dummy
    // implementation. Currently Assert and CheckNumerics ops have dummy XLA
    // implementations.
    bool allow_eliding_assert_and_checknumerics_ops = false;

    // Whether ops that produce or consume DT_VARIANT values are allowed.  We

// A user can override this behavior for a class type Foo by defining
// a << operator in the namespace where Foo is defined.
//
// We put this operator in namespace 'internal2' instead of 'internal'
// to simplify the implementation, as much code in 'internal' needs to
// use << in STL, which would conflict with our own << were it defined
// in 'internal'.
//
// Note that this operator<< takes a generic std::basic_ostream<Char,

 public:
  virtual ~DeathTestFactory() { }
  virtual bool Create(const char* statement, const RE* regex,
                      const char* file, int line, DeathTest** test) = 0;
};

// A concrete DeathTestFactory implementation for normal use.
class DefaultDeathTestFactory : public DeathTestFactory {
 public:
  virtual bool Create(const char* statement, const RE* regex,
                      const char* file, int line, DeathTest** test);
};