C++ (Cpp) FP_DIV_D Beispiele

Beispiel #1

Datei: fdivs.c Projekt: Medvedroid/OT_903D-kernel-2.6.35.7

int
fdivs(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)\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);
#endif

	if (A_c == FP_CLS_ZERO && B_c == FP_CLS_ZERO) {
		FP_SET_EXCEPTION(EFLAG_VXZDZ);
#ifdef DEBUG
		printk("%s: FPSCR_VXZDZ raised\n", __func__);
#endif
	}
	if (A_c == FP_CLS_INF && B_c == FP_CLS_INF) {
		FP_SET_EXCEPTION(EFLAG_VXIDI);
#ifdef DEBUG
		printk("%s: FPSCR_VXIDI raised\n", __func__);
#endif
	}

	if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO) {
		FP_SET_EXCEPTION(EFLAG_DIVZERO);
		if (__FPU_TRAP_P(EFLAG_DIVZERO))
			return FP_CUR_EXCEPTIONS;
	}

	FP_DIV_D(R, A, B);

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

	__FP_PACK_DS(frD, R);

	return FP_CUR_EXCEPTIONS;
}

Beispiel #2

Datei: divdf3.c Projekt: KrisChaplin/octeon_toolchain-4.1

DFtype __divdf3(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_DIV_D(R, A, B);
  FP_PACK_D(r, R);
  FP_HANDLE_EXCEPTIONS;

  return r;
}

Beispiel #3

Datei: fdiv.c Projekt: 274914765/C

int
fdiv(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)\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);
#endif

    if (A_c == FP_CLS_ZERO && B_c == FP_CLS_ZERO) {
        ret |= EFLAG_VXZDZ;
#ifdef DEBUG
        printk("%s: FPSCR_VXZDZ raised\n", __func__);
#endif
    }
    if (A_c == FP_CLS_INF && B_c == FP_CLS_INF) {
        ret |= EFLAG_VXIDI;
#ifdef DEBUG
        printk("%s: FPSCR_VXIDI raised\n", __func__);
#endif
    }

    if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO) {
        ret |= EFLAG_DIVZERO;
        if (__FPU_TRAP_P(EFLAG_DIVZERO))
            return ret;
    }
    FP_DIV_D(R, A, B);

#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));
}

Beispiel #4

Datei: fdivd.c Projekt: 150balbes/Amlogic_s905-kernel

void fdivd(void *ft, void *fa, void *fb)
{
	FP_DECL_D(A);
	FP_DECL_D(B);
	FP_DECL_D(R);
	FP_DECL_EX;

	FP_UNPACK_DP(A, fa);
	FP_UNPACK_DP(B, fb);

	if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO)
		FP_SET_EXCEPTION(FP_EX_DIVZERO);

	FP_DIV_D(R, A, B);

	FP_PACK_DP(ft, R);

	__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
}