static T set(T z, long int n) {
if (n == LONG_MIN)
XP_fromint(z->size, z->digits, LONG_MAX + 1UL);
else if (n < 0)
XP_fromint(z->size, z->digits, -n);
else
XP_fromint(z->size, z->digits, n);
z->sign = n < 0 ? -1 : 1;
return normalize(z, z->size);
}
static int apply(T op(T, T, T), T z, T x, long v) {
{
T z = tmp[2];
if (v == LONG_MIN) {
XP_fromint(nbytes, z, LONG_MAX + 1UL);
XP_neg(nbytes, z, z, 1);
} else if (v < 0) {
XP_fromint(nbytes, z, -v);
XP_neg(nbytes, z, z, 1);
} else
XP_fromint(nbytes, z, v);
z[nbytes-1] &= msb;
}
op(z, x, tmp[2]);
return (nbits < 8*(int)sizeof (v) && (v < -(1L<<(nbits-1)) || v >= (1L<<(nbits-1))));
}
T MP_fromint(T z, long v) {
assert(z);
if (v == LONG_MIN) {
XP_fromint(nbytes, z, LONG_MAX + 1UL);
XP_neg(nbytes, z, z, 1);
} else if (v < 0) {
XP_fromint(nbytes, z, -v);
XP_neg(nbytes, z, z, 1);
} else
XP_fromint(nbytes, z, v);
z[nbytes-1] &= msb;
if ((nbits < 8*(int)sizeof (v) &&
(v < -(1L<<(nbits-1)) || v >= (1L<<(nbits-1)))))
RAISE(MP_Overflow);
return z;
}
T MP_fromintu(T z, unsigned long u) {
unsigned long carry;
assert(z);
carry = XP_fromint(nbytes, z, u);
carry |= z[nbytes-1]&~msb;
z[nbytes-1] &= msb;
if (carry)
RAISE(MP_Overflow);
return z;
}
static int applyu(T op(T, T, T), T z, T x, unsigned long u) {
unsigned long carry;
{
T z = tmp[2];
carry = XP_fromint(nbytes, z, u);
carry |= z[nbytes-1]&~msb;
z[nbytes-1] &= msb;
}
op(z, x, tmp[2]);
return carry != 0;
}
int MP_cmpui(T x, unsigned long y) {
assert(x);
if ((int)sizeof y >= nbytes) {
unsigned long v = XP_toint(nbytes, x);
if (v < y)
return -1;
else if (v > y)
return 1;
else
return 0;
} else {
XP_fromint(nbytes, tmp[2], y);
return XP_cmp(nbytes, x, tmp[2]);
}
}
