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#define _FP_W_TYPE_SIZE		64
#define _FP_W_TYPE		unsigned long
#define _FP_WS_TYPE		signed long
#define _FP_I_TYPE		long
 
#define _FP_MUL_MEAT_S(R,X,Y)					\
  _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)
#define _FP_MUL_MEAT_D(R,X,Y)					\
  _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
#define _FP_MUL_MEAT_Q(R,X,Y)					\
  _FP_MUL_MEAT_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
 
#define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
#define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_1_udiv_norm(D,R,X,Y)
#define _FP_DIV_MEAT_Q(R,X,Y)	_FP_DIV_MEAT_2_udiv(Q,R,X,Y)
 
#define _FP_NANFRAC_S		((_FP_QNANBIT_S << 1) - 1)
#define _FP_NANFRAC_D		((_FP_QNANBIT_D << 1) - 1)
#define _FP_NANFRAC_Q		((_FP_QNANBIT_Q << 1) - 1), -1
#define _FP_NANSIGN_S		0
#define _FP_NANSIGN_D		0
#define _FP_NANSIGN_Q		0
 
#define _FP_KEEPNANFRACP 1
/* From my experiments it seems X is chosen unless one of the
   NaNs is sNaN,  in which case the result is NANSIGN/NANFRAC.  */
#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
  do {								\
    if ((_FP_FRAC_HIGH_RAW_##fs(X) |				\
	 _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs)		\
      {								\
	R##_s = _FP_NANSIGN_##fs;				\
        _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs);			\
      }								\
    else							\
      {								\
	R##_s = X##_s;						\
        _FP_FRAC_COPY_##wc(R,X);				\
      }								\
    R##_c = FP_CLS_NAN;						\
  } while (0)
 
#define FP_EX_INVALID           (1 << 4)
#define FP_EX_DIVZERO           (1 << 3)
#define FP_EX_OVERFLOW          (1 << 2)
#define FP_EX_UNDERFLOW         (1 << 1)
#define FP_EX_INEXACT           (1 << 0)