numeric_types.h

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#pragma once

#include <assert.h>

#include "cutlass/cutlass.h"

namespace cutlass {



template <typename T>
struct sizeof_bits {
  static int const value = sizeof(T) * 8;
};


//
// Definitions for 1-bit binary and 4-bit integer types
//

using bin1_t = bool;

template <>
struct sizeof_bits<bin1_t> {
  static int const value = 1;
};


}  // namespace cutlass


#include "cutlass/integer_subbyte.h"
#include "cutlass/half.h"


namespace cutlass {

template <int Bits, bool Signed = true>
struct IntegerType;

template <>
struct IntegerType<1, true> {
  using Type = bin1_t;
};

template <>
struct IntegerType<1, false> {
  using Type = bin1_t;
};

template <>
struct IntegerType<4, true> {
  using Type = int4b_t;
};

template <>
struct IntegerType<4, false> {
  using Type = uint4b_t;
};

template <>
struct IntegerType<8, true> {
  using Type = int8_t;
};

template <>
struct IntegerType<8, false> {
  using Type = uint8_t;
};

template <>
struct IntegerType<16, true> {
  using Type = int16_t;
};

template <>
struct IntegerType<16, false> {
  using Type = uint16_t;
};

template <>
struct IntegerType<32, true> {
  using Type = int32_t;
};

template <>
struct IntegerType<32, false> {
  using Type = uint32_t;
};

template <>
struct IntegerType<64, true> {
  using Type = int64_t;
};

template <>
struct IntegerType<64, false> {
  using Type = uint64_t;
};

//
// Floating point types
//

template <int Exp, int Mantissa>
struct FloatType;

template <>
struct FloatType<11, 52> {
  using Type = double;
};

template <>
struct FloatType<8, 23> {
  using Type = float;
};


template <>
struct FloatType<5, 10> {
  using Type = half_t;
};


} // namespace cutlass