mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-03 10:21:05 +00:00
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
#define _FP_W_TYPE_SIZE 32
|
|
#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_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_D(R,X,Y) \
|
|
_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_Q(R,X,Y) \
|
|
_FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
|
|
|
|
#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(S,R,X,Y)
|
|
#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
|
|
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
|
|
|
|
#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
|
|
#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1
|
|
#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -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)
|