void sample_gauss_poly(poly x)
{
unsigned int j;
double gauss;
for(j=0; j<PARAM_N; j++)
{
gauss = fmodq(sample_gauss());
x[j] = gauss;
}
}
inline void eval_fmod(float128_backend& result, const float128_backend& a, const float128_backend& b)
{
result.value() = fmodq(a.value(), b.value());
}
__float128
remquoq (__float128 x, __float128 y, int *quo)
{
int64_t hx,hy;
uint64_t sx,lx,ly,qs;
int cquo;
GET_FLT128_WORDS64 (hx, lx, x);
GET_FLT128_WORDS64 (hy, ly, y);
sx = hx & 0x8000000000000000ULL;
qs = sx ^ (hy & 0x8000000000000000ULL);
hy &= 0x7fffffffffffffffLL;
hx &= 0x7fffffffffffffffLL;
/* Purge off exception values. */
if ((hy | ly) == 0)
return (x * y) / (x * y); /* y = 0 */
if ((hx >= 0x7fff000000000000LL) /* x not finite */
|| ((hy >= 0x7fff000000000000LL) /* y is NaN */
&& (((hy - 0x7fff000000000000LL) | ly) != 0)))
return (x * y) / (x * y);
if (hy <= 0x7ffbffffffffffffLL)
x = fmodq (x, 8 * y); /* now x < 8y */
if (((hx - hy) | (lx - ly)) == 0)
{
*quo = qs ? -1 : 1;
return zero * x;
}
x = fabsq (x);
y = fabsq (y);
cquo = 0;
if (hy <= 0x7ffcffffffffffffLL && x >= 4 * y)
{
x -= 4 * y;
cquo += 4;
}
if (hy <= 0x7ffdffffffffffffLL && x >= 2 * y)
{
x -= 2 * y;
cquo += 2;
}
if (hy < 0x0002000000000000LL)
{
if (x + x > y)
{
x -= y;
++cquo;
if (x + x >= y)
{
x -= y;
++cquo;
}
}
}
else
{
__float128 y_half = 0.5Q * y;
if (x > y_half)
{
x -= y;
++cquo;
if (x >= y_half)
{
x -= y;
++cquo;
}
}
}
*quo = qs ? -cquo : cquo;
/* Ensure correct sign of zero result in round-downward mode. */
if (x == 0.0Q)
x = 0.0Q;
if (sx)
x = -x;
return x;
}
