Beispiel #1
0
int
fsqrts(void *frD, void *frB)
{
    FP_DECL_D(B);
    FP_DECL_D(R);
    int ret = 0;

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

    __FP_UNPACK_D(B, frB);

#ifdef DEBUG
    printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
#endif

    if (B_s && B_c != FP_CLS_ZERO)
        ret |= EFLAG_VXSQRT;
    if (B_c == FP_CLS_NAN)
        ret |= EFLAG_VXSNAN;

    FP_SQRT_D(R, B);

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

    return (ret | __FP_PACK_DS(frD, R));
}
Beispiel #2
0
int
fsqrts(void *frD, void *frB)
{
	FP_DECL_D(B);
	FP_DECL_D(R);
	FP_DECL_EX;

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

	FP_UNPACK_DP(B, frB);

#ifdef DEBUG
	printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
#endif

	if (B_s && B_c != FP_CLS_ZERO)
		FP_SET_EXCEPTION(EFLAG_VXSQRT);
	if (B_c == FP_CLS_NAN)
		FP_SET_EXCEPTION(EFLAG_VXSNAN);

	FP_SQRT_D(R, B);

#ifdef DEBUG
	printk("R: %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 #3
0
double __sqrtdf2(double a)
{
  FP_DECL_EX;
  FP_DECL_D(A); FP_DECL_D(R);
  double r;

  FP_INIT_ROUNDMODE;
  FP_UNPACK_D(A, a);
  FP_SQRT_D(R, A);
  FP_PACK_D(r, R);
  FP_HANDLE_EXCEPTIONS;

  return r;
}
Beispiel #4
0
void fsqrtd(void *ft, void *fa)
{
	FP_DECL_D(A);
	FP_DECL_D(R);
	FP_DECL_EX;

	FP_UNPACK_DP(A, fa);

	FP_SQRT_D(R, A);

	FP_PACK_DP(ft, R);

	__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
}