Sha256: 65f3c2ff219168888360892a9e831f4d71930d21562c566178c05b7e9648533f
Contents?: true
Size: 1.63 KB
Versions: 4
Compression:
Stored size: 1.63 KB
Contents
static void
<%=c_iter%>(na_loop_t *const lp)
{
size_t n;
size_t p1, p3;
ssize_t s1, s3;
size_t *idx1, *idx3;
int o1, l1, r1, len;
BIT_DIGIT *a1, *a3;
BIT_DIGIT x;
INIT_COUNTER(lp, n);
INIT_PTR_BIT_IDX(lp, 0, a3, p3, s3, idx3);
INIT_PTR_BIT_IDX(lp, 1, a1, p1, s1, idx1);
if (s1!=1 || s3!=1 || idx1 || idx3) {
for (; n--;) {
LOAD_BIT_STEP(a1, p1, s1, idx1, x);
STORE_BIT_STEP(a3, p3, s3, idx3, x);
}
} else {
o1 = p1 % NB;
o1 -= p3;
l1 = NB+o1;
r1 = NB-o1;
if (p3>0 || n<NB) {
len = NB - p3;
if ((int)n<len) len=n;
if (o1>=0) x = *a1>>o1;
else x = *a1<<-o1;
if (p1+len>NB) x |= *(a1+1)<<r1;
a1++;
*a3 = (x & (SLB(len)<<p3)) | (*a3 & ~(SLB(len)<<p3));
a3++;
n -= len;
}
if (o1==0) {
for (; n>=NB; n-=NB) {
x = *(a1++);
*(a3++) = x;
}
} else {
for (; n>=NB; n-=NB) {
x = *a1>>o1;
if (o1<0) x |= *(a1-1)>>l1;
if (o1>0) x |= *(a1+1)<<r1;
a1++;
*(a3++) = x;
}
}
if (n>0) {
x = *a1>>o1;
if (o1<0) x |= *(a1-1)>>l1;
*a3 = (x & SLB(n)) | (*a3 & BALL<<n);
}
}
}
static VALUE
<%=c_func%>(VALUE self, VALUE obj)
{
ndfunc_arg_in_t ain[2] = {{OVERWRITE,0},{Qnil,0}};
ndfunc_t ndf = {<%=c_iter%>, FULL_LOOP, 2,0, ain,0};
na_ndloop(&ndf, 2, self, obj);
return self;
}
Version data entries
4 entries across 4 versions & 1 rubygems