void forward( ccube_p<real> const & f ) override
{
if ( !enabled_ ) return;
last_input = exp(*f);
layer_data->add_to_the_sum(get_copy(*last_input));
}
int get_next_line(int const fd, char **line)
{
static t_list *list;
static int pos;
static int start;
char *str;
static int ilk;
if (start == -2)
{
*line = ft_strnew(0);
return (0);
}
if (fd < 0)
return (-1);
ilk = 0;
pos = get_buf(&list, start, fd, &ilk);
str = get_copy(&list, pos, &start);
*line = str;
if (ilk == -1)
{
start = -2;
ft_putstr(*line);
return (0);
}
return (1);
}
int
main ()
{
if (copy == get_copy () && © == get_copy_p ())
printf ("PASS\n");
return 0;
}
j_value Lambda_Expression::derived_get_value(const Arguments& /*i_args*/)const {
Arguments args;
args.push_back(get_copy());
return j_value(Aggregate_Value_Symbol(args), J_Unit());
}
inline void convolve_flipped( cube<T> const & a,
cube<T> const & b,
cube<T> const & r ) noexcept
{
ZI_ASSERT(size(r)==(vec3i::one+size(a)-size(b)));
auto tmp = get_copy(a);
flip(*tmp);
return convolve(*tmp,b,r);
}
void forward( ccube_p<real> const & f ) override
{
ZI_ASSERT(size(*f)==insize);
auto r = pooling_filter(get_copy(*f),
[](real a, real b){ return a>b; },
filter_size,
filter_stride);
indices = r.second;
out_nodes->forward(out_num,std::move(r.first));
}
static void push_copied_stacks(int init)
{
/* This is called after everything else is marked.
Mark from those stacks that are still reachable. If
we mark from a stack, we need to go back though the list
all over to check the previously unmarked stacks. */
CopiedStack *cs;
int pushed_one;
if (init) {
for (cs = *first_copied_stack; cs; cs = *cs->next) {
if (get_copy(cs))
cs->pushed = 0;
else
cs->pushed = 1;
}
}
GC_flush_mark_stack();
do {
pushed_one = 0;
for (cs = *first_copied_stack; cs; cs = *cs->next) {
if (!cs->pushed && GC_is_marked(get_copy(cs))) {
pushed_one = 1;
cs->pushed = 1;
GC_push_all_stack(get_copy(cs), (char *)get_copy(cs) + cs->size);
if (GC_did_mark_stack_overflow()) {
/* printf("mark stack overflow\n"); */
return;
} else {
GC_flush_mark_stack();
if (GC_did_mark_stack_overflow()) {
/* printf("mark stack overflow (late)\n"); */
return;
}
}
}
}
} while (pushed_one);
}
void forward( ccube_p<real> const & f ) override
{
ZI_ASSERT(size(*f)==insize);
auto r = pooling_filter(get_copy(*f),
[](real a, real b){ return a>b; },
filter_size,
vec3i::one);
indices = sparse_implode_slow(*r.second,filter_size,outsize);
out_nodes->forward(out_num,
sparse_implode_slow(*r.first,filter_size,outsize));
}
void forward( ccube_p<real> const & f ) override
{
ZI_ASSERT(size(*f)==insize);
auto fmap = get_copy(*f);
if ( phase_ == phase::TRAIN )
{
dropout_forward(*fmap);
}
out_nodes->forward(out_num, std::move(fmap));
}
inline cube_p<T> convolve_sparse_inverse( cube<T> const & a,
cube<T> const & borig,
vec3i const & s )
{
if ( s == vec3i::one )
{
return convolve_inverse(a,borig);
}
auto bp = get_copy(borig);
cube<T>& b = *bp;
flip(b);
vec3i as = size(a);
vec3i bs = size(b);
vec3i rs = size(a) + (size(b) - vec3i::one) * s;
cube_p<T> r = get_cube<T>(rs);
int a_strides[3] = { s[2], as[2]*s[1], as[2]*as[1]*s[0] };
int r_strides[3] = { s[2], rs[2]*s[1], rs[2]*rs[1]*s[0] };
for (int xs=0; xs<s[0]; xs++)
for (int ys=0; ys<s[1]; ys++)
for (int zs=0; zs<s[2]; zs++)
{
vec3i in_size( (as[0]-1)/s[0] + (xs == 0),
(as[1]-1)/s[1] + (ys == 0),
(as[2]-1)/s[2] + (zs == 0) );
const T* in_ptr = &(a[xs][ys][zs]);
T* out_ptr = &((*r)[xs][ys][zs]);
#ifdef ZNN_USE_FLOATS
int status = vslsConvExec( conv_plans.get_inv(in_size, bs),
in_ptr, a_strides,
b.data(), NULL,
out_ptr, r_strides );
#else
int status = vsldConvExec( conv_plans.get_inv(in_size, bs),
in_ptr, a_strides,
b.data(), NULL,
out_ptr, r_strides );
#endif
}
return r;
}
void backward( ccube_p<real> const & g )
{
ZI_ASSERT(insize==size(*g));
auto gmap = get_copy(*g);
if ( phase_ == phase::TRAIN )
{
dropout_backward(*gmap);
}
if ( in_nodes->is_input() )
{
in_nodes->backward(in_num, cube_p<real>());
}
else
{
in_nodes->backward(in_num, std::move(gmap));
}
}
inline void convolve_inverse( cube<T> const & a,
cube<T> const & b,
cube<T> const & r) noexcept
{
ZI_ASSERT(size(r)==(size(a)+size(b)-vec3i::one));
auto tmp = get_copy(b);
flip(*tmp);
#ifdef ZNN_USE_FLOATS
int status = vslsConvExec(conv_plans.get_inv(size(a),size(b)),
a.data(), NULL,
tmp->data(), NULL,
r.data(), NULL);
#else
int status = vsldConvExec(conv_plans.get_inv(size(a),size(b)),
a.data(), NULL,
tmp->data(), NULL,
r.data(), NULL);
}
std::tuple<real,real,cube_p<real>> square_loss( cube<real> const & cprop,
cube<real> const & clab )
{
std::tuple<real,real,cube_p<real>> ret;
std::get<0>(ret) = 0;
std::get<1>(ret) = 0;
std::get<2>(ret) = get_copy(cprop);
real* grad = std::get<2>(ret)->data();
const real* lab = clab.data();
long_t n = clab.num_elements();
for ( long_t i = 0; i < n; ++i )
{
std::get<1>(ret) += ( grad[i] > 0.5 ? ( lab[i] > 0.5 ? 0 : 1 ) : ( lab[i] > 0.5 ? 1 : 0 ) );
grad[i] -= lab[i];
std::get<0>(ret) += grad[i]*grad[i];
grad[i] *= 2;
}
return ret;
}
void shoot( ccube_p<real> const & sum )
{
*last_input /= *sum;
out_nodes->forward(out_num,get_copy(*last_input));
}
void backward( ccube_p<real> const & g )
{
in_nodes->backward(in_num,get_copy(*g));
}
void forward( ccube_p<real> const & f ) override
{
out_nodes->forward(out_num,get_copy(*f));
}
void backward( ccube_p<real> const & g ) override
{
if ( !enabled_ ) return;
in_nodes->backward(in_num,get_copy(*g));
}
void forward( ccube_p<real> const & f ) override
{
if ( !enabled_ ) return;
out_nodes->forward(out_num,get_copy(*f));
}
void shoot( ccube_p<real> const & sum )
{
ZI_ASSERT(enabled_);
*last_input /= *sum;
out_nodes->forward(out_num,get_copy(*last_input));
}