bfloat.h File Reference

definition of bfloat type. More...

#include "./base.h"

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Namespaces
	mshadow
	overloaded + operator between half_t and bf16_t
	mshadow::bfloat

Macros
#define	MSHADOW_BF16_OPERATOR_TYPE(RTYPE, ITYPE, OP)
#define	MSHADOW_BF16_OPERATOR(RTYPE, OP)
#define	MSHADOW_BF16_ASSIGNOP(AOP, OP)
#define	MSHADOW_BF16_CONVERSIONOP(T)
#define	MSHADOW_BF16_MIN   mshadow::bfloat::bf16_t::Binary(0xFF7F);
	overloaded + operator for bf16_t More...
#define	MSHADOW_BF16_MAX   mshadow::bfloat::bf16_t::Binary(0x7F7F);
#define	MSHADOW_BF16_SIGN_BIT   0x8000
#define	MSHADOW_BF16_EXPONENT_BITS   0x7f80

Functions
class	mshadow::bfloat::MSHADOW_ALIGNED (2) bf16_t

Detailed Description

definition of bfloat type.

Author

Zhennan Qin

Macro Definition Documentation

MSHADOW_BF16_ASSIGNOP

#define MSHADOW_BF16_ASSIGNOP	(		AOP,
			OP
	)

Value:

  template<typename T>                                                    \
  MSHADOW_XINLINE bf16_t operator AOP (const T& a) {                      \
    return *this = bf16_t(float(*this) OP float(a));  /* NOLINT(*)*/      \
  }                                                                       \
  template<typename T>                                                    \
  MSHADOW_XINLINE bf16_t operator AOP (const volatile T& a) volatile {    \
    return *this = bf16_t(float(*this) OP float(a));  /* NOLINT(*)*/      \
  }

MSHADOW_BF16_CONVERSIONOP

#define MSHADOW_BF16_CONVERSIONOP

(

T

)

Value:

  MSHADOW_XINLINE operator T() const {                                    \
    return T(BF16ToFloat(bf16_));  /* NOLINT(*)*/                            \
  }                                                                       \
  MSHADOW_XINLINE operator T() const volatile {                           \
    return T(BF16ToFloat(bf16_));  /* NOLINT(*)*/                            \
  }

MSHADOW_BF16_EXPONENT_BITS

#define MSHADOW_BF16_EXPONENT_BITS   0x7f80

MSHADOW_BF16_MAX

#define MSHADOW_BF16_MAX   mshadow::bfloat::bf16_t::Binary(0x7F7F);

MSHADOW_BF16_MIN

#define MSHADOW_BF16_MIN   mshadow::bfloat::bf16_t::Binary(0xFF7F);

overloaded + operator for bf16_t

overloaded - operator for bf16_t

overloaded * operator for bf16_t

overloaded / operator for bf16_t

overloaded > operator for bf16_t

overloaded < operator for bf16_t

overloaded >= operator for bf16_t

overloaded <= operator for bf16_t

MSHADOW_BF16_OPERATOR

#define MSHADOW_BF16_OPERATOR	(		RTYPE,
			OP
	)

Value:

  MSHADOW_XINLINE RTYPE operator OP (bf16_t a, bf16_t b) {                \
    return RTYPE(static_cast<float>(a) OP float(b));  /* NOLINT(*) */     \
  }                                                                       \
  MSHADOW_BF16_OPERATOR_TYPE(float, float, OP)                            \
  MSHADOW_BF16_OPERATOR_TYPE(double, double, OP)                          \
  MSHADOW_BF16_OPERATOR_TYPE(float, int8_t, OP)                           \
  MSHADOW_BF16_OPERATOR_TYPE(float, uint8_t, OP)                          \
  MSHADOW_BF16_OPERATOR_TYPE(float, int32_t, OP)                          \
  MSHADOW_BF16_OPERATOR_TYPE(float, uint32_t, OP)                         \
  MSHADOW_BF16_OPERATOR_TYPE(float, int64_t, OP)                          \
  MSHADOW_BF16_OPERATOR_TYPE(float, uint64_t, OP)

MSHADOW_BF16_OPERATOR_TYPE

#define MSHADOW_BF16_OPERATOR_TYPE	(		RTYPE,
			ITYPE,
			OP
	)

Value:

  MSHADOW_XINLINE RTYPE operator OP (ITYPE a, bf16_t b) {                 \
    return RTYPE(a OP float(b));  /* NOLINT(*) */                         \
  }                                                                       \
  MSHADOW_XINLINE RTYPE operator OP (bf16_t a, ITYPE b) {                 \
    return RTYPE(float(a) OP b);  /* NOLINT(*) */                         \
  }

MSHADOW_BF16_SIGN_BIT

#define MSHADOW_BF16_SIGN_BIT   0x8000