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#include <complex.h>
#include "num/multind.h"
#include "num/flpmath.h"
#include "num/iovec.h"
#include "misc/misc.h"
#include "misc/debug.h"
#include "linops/linop.h"
#include "linops/lintest.h"
#include "linops/someops.h"
#include "utest.h"
static bool test_padding(void)
{
enum { N = 2 };
long dims_in[N] = { 3, 2 };
long dims_out[N] = { 7, 4 };
long pad[] = { 2, 1 };
complex float in[] = {
1, 2, 3,
4, 5, 6,
};
complex float exp_valid[] = {
1, 2, 3,
4, 5, 6
};
complex float exp_same[] = {
0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 2, 3, 0, 0,
0, 0, 4, 5, 6, 0, 0,
0, 0, 0, 0, 0, 0, 0
};
complex float exp_reflect[] = {
6, 5, 4, 5, 6, 5, 4,
3, 2, 1, 2, 3, 2, 1,
6, 5, 4, 5, 6, 5, 4,
3, 2, 1, 2, 3, 2, 1
};
complex float exp_sym[] = {
2, 1, 1, 2, 3, 3, 2,
2, 1, 1, 2, 3, 3, 2,
5, 4, 4, 5, 6, 6, 5,
5, 4, 4, 5, 6, 6, 5
};
complex float exp_cyc[] = {
5, 6, 4, 5, 6, 4, 5,
2, 3, 1, 2, 3, 1, 2,
5, 6, 4, 5, 6, 4, 5,
2, 3, 1, 2, 3, 1, 2
};
complex float* out = md_alloc(2, dims_out, CFL_SIZE);
const struct linop_s* lin_pad;
float err = 0;
lin_pad = linop_padding_create(2, dims_in, PAD_SAME, pad, pad);
linop_forward_unchecked(lin_pad, out, in);
linop_free(lin_pad);
err += md_zrmse(2, dims_out, exp_same, out);
lin_pad = linop_padding_create(2, dims_in, PAD_REFLECT, pad, pad);
linop_forward_unchecked(lin_pad, out, in);
linop_free(lin_pad);
err += md_zrmse(2, dims_out, exp_reflect, out);
lin_pad = linop_padding_create(2, dims_in, PAD_SYMMETRIC, pad, pad);
linop_forward_unchecked(lin_pad, out, in);
linop_free(lin_pad);
err += md_zrmse(2, dims_out, exp_sym, out);
lin_pad = linop_padding_create(2, dims_in, PAD_CYCLIC, pad, pad);
linop_forward_unchecked(lin_pad, out, in);
linop_free(lin_pad);
err += md_zrmse(2, dims_out, exp_cyc, out);
long pad_down[] = { -2, -1 };
lin_pad = linop_padding_create(2, dims_out, PAD_VALID, pad_down, pad_down);
linop_forward_unchecked(lin_pad, in, out);
linop_free(lin_pad);
err += md_zrmse(2, dims_in, in, exp_valid);
md_free(out);
UT_ASSERT(1.e-7 > err);
}
UT_REGISTER_TEST(test_padding);
static bool test_padding_adjoint(void)
{
enum { N = 2 };
long dims_in[N] = { 3, 2 };
long dims_out[N] = { 7, 4 };
long pad[] = { 2, 1 };
const struct linop_s* lin_pad;
float err = 0;
lin_pad = linop_padding_create(2, dims_in, PAD_SAME, pad, pad);
err += linop_test_adjoint(lin_pad);
linop_free(lin_pad);
lin_pad = linop_padding_create(2, dims_in, PAD_REFLECT, pad, pad);
linop_free(lin_pad);
lin_pad = linop_padding_create(2, dims_in, PAD_SYMMETRIC, pad, pad);
err += linop_test_adjoint(lin_pad);
linop_free(lin_pad);
lin_pad = linop_padding_create(2, dims_in, PAD_CYCLIC, pad, pad);
err += linop_test_adjoint(lin_pad);
linop_free(lin_pad);
long pad_down[] = { -2, -1 };
lin_pad = linop_padding_create(2, dims_out, PAD_VALID, pad_down, pad_down);
err += linop_test_adjoint(lin_pad);
linop_free(lin_pad);
debug_printf(DP_DEBUG1, "err: %.8f\n", err);
UT_ASSERT(2.e-6 > err);
}
UT_REGISTER_TEST(test_padding_adjoint);
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