Esempi in C++ (Cpp) per FP_MUL_D

Esempio n. 1

File: fmuls.c Progetto: 274914765/C

int
fmuls(void *frD, void *frA, void *frB)
{
    FP_DECL_D(A);
    FP_DECL_D(B);
    FP_DECL_D(R);
    int ret = 0;

#ifdef DEBUG
    printk("%s: %p %p %p\n", __func__, frD, frA, frB);
#endif

    __FP_UNPACK_D(A, frA);
    __FP_UNPACK_D(B, frB);

#ifdef DEBUG
    printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
           A_s, A_f1, A_f0, A_e, A_c, A_f1, A_f0, A_e + 1023);
    printk("B: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
           B_s, B_f1, B_f0, B_e, B_c, B_f1, B_f0, B_e + 1023);
#endif

    if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) ||
        (A_c == FP_CLS_ZERO && B_c == FP_CLS_INF))
        ret |= EFLAG_VXIMZ;

    FP_MUL_D(R, A, B);

#ifdef DEBUG
    printk("D: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
           R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023);
#endif

    return (ret | __FP_PACK_DS(frD, R));
}

Esempio n. 2

File: fnmsub.c Progetto: CSCLOG/beaglebone

int
fnmsub(void *frD, void *frA, void *frB, void *frC)
{
	FP_DECL_D(R);
	FP_DECL_D(A);
	FP_DECL_D(B);
	FP_DECL_D(C);
	FP_DECL_D(T);
	FP_DECL_EX;

#ifdef DEBUG
	printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
#endif

	FP_UNPACK_DP(A, frA);
	FP_UNPACK_DP(B, frB);
	FP_UNPACK_DP(C, frC);

#ifdef DEBUG
	printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
	printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
	printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c);
#endif

	if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
	    (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
		FP_SET_EXCEPTION(EFLAG_VXIMZ);

	FP_MUL_D(T, A, C);

	if (B_c != FP_CLS_NAN)
		B_s ^= 1;

	if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
		FP_SET_EXCEPTION(EFLAG_VXISI);

	FP_ADD_D(R, T, B);

	if (R_c != FP_CLS_NAN)
		R_s ^= 1;

#ifdef DEBUG
	printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
#endif

	__FP_PACK_D(frD, R);

	return FP_CUR_EXCEPTIONS;
}

Esempio n. 3

File: muldf3.c Progetto: 0mp/freebsd

DFtype __muldf3(DFtype a, DFtype b)
{
  FP_DECL_EX;
  FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R);
  DFtype r;

  FP_INIT_ROUNDMODE;
  FP_UNPACK_D(A, a);
  FP_UNPACK_D(B, b);
  FP_MUL_D(R, A, B);
  FP_PACK_D(r, R);
  FP_HANDLE_EXCEPTIONS;

  return r;
}

Esempio n. 4

File: fnmsub.c Progetto: 12019/hg556a_source

int
fnmsub(void *frD, void *frA, void *frB, void *frC)
{
	FP_DECL_D(R);
	FP_DECL_D(A);
	FP_DECL_D(B);
	FP_DECL_D(C);
	FP_DECL_D(T);
	int ret = 0;

#ifdef DEBUG
	printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC);
#endif

	__FP_UNPACK_D(A, frA);
	__FP_UNPACK_D(B, frB);
	__FP_UNPACK_D(C, frC);

#ifdef DEBUG
	printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
	printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
	printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c);
#endif

	if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
	    (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
		ret |= EFLAG_VXIMZ;

	FP_MUL_D(T, A, C);

	if (B_c != FP_CLS_NAN)
		B_s ^= 1;

	if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
		ret |= EFLAG_VXISI;

	FP_ADD_D(R, T, B);

	if (R_c != FP_CLS_NAN)
		R_s ^= 1;

#ifdef DEBUG
	printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
#endif

	return (ret | __FP_PACK_D(frD, R));
}

Esempio n. 5

File: fmuls.c Progetto: Medvedroid/OT_903D-kernel-2.6.35.7

int
fmuls(void *frD, void *frA, void *frB)
{
	FP_DECL_D(A);
	FP_DECL_D(B);
	FP_DECL_D(R);
	FP_DECL_EX;

#ifdef DEBUG
	printk("%s: %p %p %p\n", __func__, frD, frA, frB);
#endif

	FP_UNPACK_DP(A, frA);
	FP_UNPACK_DP(B, frB);

#ifdef DEBUG
	printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
	       A_s, A_f1, A_f0, A_e, A_c, A_f1, A_f0, A_e + 1023);
	printk("B: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
	       B_s, B_f1, B_f0, B_e, B_c, B_f1, B_f0, B_e + 1023);
#endif

	if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) ||
	    (A_c == FP_CLS_ZERO && B_c == FP_CLS_INF))
		FP_SET_EXCEPTION(EFLAG_VXIMZ);

	FP_MUL_D(R, A, B);

#ifdef DEBUG
	printk("D: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
	       R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023);
#endif

	__FP_PACK_DS(frD, R);

	return FP_CUR_EXCEPTIONS;
}