public idxlooper(idx <T> m, int ld)
{
if (m.order() == 0)
{
Global.eblerror("cannot loop on idx with order 0. idx is: " + m);
}
i = 0;
dimd = m.spec.dim[ld];
modd = m.spec.mod[ld];
m.spec.select_into(ref spec, ld, i);
this.srgptr = m.srgptr.Addreference();
item = new eptr <T>(srgptr, spec.getoffset());
}
public static void idx_m2dotm2(idx <T> i1, idx <T> i2, idx <T> o)
{
eptr <T> c1, c2, c1_0, ker;
intg c1_m1 = i1.mod(1), c2_m0 = i2.mod(0);
intg j, jmax = i2.dim(0);
intg c1_m0 = i1.mod(0), d1_m0 = o.mod(0);
eptr <T> d1;
T f;
intg i, imax = o.dim(0);
intg k, kmax = o.dim(1);
c1 = new eptr <T>(i1.srgptr);
c2 = new eptr <T>(i2.srgptr);
// loop on o.dim(1)
for (k = 0; k < kmax; ++k)
{
c1_0 = i1.idx_ptr();
d1 = o.idx_ptr(); d1.index += k;
ker = i2.idx_ptr(); ker.index += k;
// loop on o.dim(0)
for (i = 0; i < imax; i++)
{
f = default(T);
c1.index = c1_0.index;
c2.index = ker.index;
// loop on
if (c1_m1 == 1 && c2_m0 == 1)
{
for (j = 0; j < jmax; j++)
{
f = Add <T>(f, Dot(c1.item, c2.item));
c1++; c2++;
}
}
else
{
for (j = 0; j < jmax; j++)
{
f = Add <T>(f, Dot(c1.item, c2.item));// (*c1) * (*c2);
c1.index += c1_m1;
c2.index += c2_m0;
}
}
d1.item = f;
d1.index += d1_m0;
c1_0.index += c1_m0;
}
}
}
public eptr <T> init(idx <T> m)
{
spec = m.spec;
i = 0;
j = spec.ndim;
data = new eptr <T>(m.srgptr, spec.getoffset());
n = spec.nelements();
if (spec.contiguousp())
{
d[0] = -1;
}
else
{
for (i = 0; i < spec.ndim; i++)
{
d[i] = 0;
}
}
return(data);
}