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/* Copyright 2019. Martin Uecker.
* All rights reserved. Use of this source code is governed by
* a BSD-style license which can be found in the LICENSE file.
*
* Authors:
* 2019 Martin Uecker <martin.uecker@med.uni-goettingen.de>
*/
#include <complex.h>
#include <math.h>
#include "num/multind.h"
#include "num/flpmath.h"
#include "num/iovec.h"
#include "num/ops.h"
#include "misc/misc.h"
#include "misc/debug.h"
#include "utest.h"
static bool test_op_stack(void)
{
enum { N = 3 };
long dims[N] = { 8, 4, 1 };
long dims2[N] = { 8, 4, 2 };
const auto a = operator_identity_create(N, dims);
const auto b = operator_zero_create(N, dims);
const auto c = operator_null_create(N, dims);
const auto d = operator_combi_create(2, MAKE_ARRAY(OP_PASS(b), OP_PASS(c)));
const auto e = operator_stack(2, 2, OP_PASS(a), OP_PASS(d));
complex float* in = md_alloc(N, dims2, CFL_SIZE);
complex float* out = md_alloc(N, dims2, CFL_SIZE);
md_zfill(N, dims2, in, 1.);
md_zfill(N, dims2, out, 100.);
operator_apply(e, N, dims2, out, N, dims2, in);
double err = fabsf(md_znorm(N, dims2, in) - sqrtf(2.) * md_znorm(N, dims2, out));
operator_free(e);
md_free(in);
md_free(out);
return (err < UT_TOL);
}
UT_REGISTER_TEST(test_op_stack);
static bool test_op_extract(void)
{
enum { N = 3 };
long dims[N] = { 8, 4, 1 };
long dims2[N] = { 8, 4, 2 };
const auto a = operator_identity_create(N, dims);
const auto b = operator_zero_create(N, dims);
const auto c = operator_null_create(N, dims);
const auto d = operator_combi_create(2, MAKE_ARRAY(OP_PASS(b), OP_PASS(c)));
const auto e = operator_extract_create(OP_PASS(a), 0, N, dims2, (long[]){ 0, 0, 0 });
const auto f = operator_extract_create(OP_PASS(e), 1, N, dims2, (long[]){ 0, 0, 0 });
const auto g = operator_extract_create(OP_PASS(d), 0, N, dims2, (long[]){ 0, 0, 1 });
const auto h = operator_extract_create(OP_PASS(g), 1, N, dims2, (long[]){ 0, 0, 1 });
const auto i = operator_combi_create(2, MAKE_ARRAY(OP_PASS(f), OP_PASS(h)));
const auto j = operator_dup_create(OP_PASS(i), 0, 2);
const auto k = operator_dup_create(OP_PASS(j), 1, 2);
complex float* in = md_alloc(N, dims2, CFL_SIZE);
complex float* out = md_alloc(N, dims2, CFL_SIZE);
md_zfill(N, dims2, in, 1.);
md_zfill(N, dims2, out, 100.);
operator_apply(k, N, dims2, out, N, dims2, in);
double err = fabsf(md_znorm(N, dims2, in) - sqrtf(2.) * md_znorm(N, dims2, out));
operator_free(k);
md_free(in);
md_free(out);
return (err < UT_TOL);
}
UT_REGISTER_TEST(test_op_extract);
static bool test_op_combi_inout(void)
{
enum { N = 1 };
long dimsi1[N] = { 2 };
long dimso1[N] = { 3 };
long dimsi2[N] = { 4 };
long dimso2[N] = { 5 };
const auto ai = operator_null_create(N, dimsi1);
const auto ao = operator_zero_create(N, dimso1);
auto a = operator_combi_create(2, MAKE_ARRAY(OP_PASS(ai), OP_PASS(ao)));
const auto bi = operator_null_create(N, dimsi2);
const auto bo = operator_zero_create(N, dimso2);
auto b = operator_combi_create(2, MAKE_ARRAY(OP_PASS(bi), OP_PASS(bo)));
const auto c = operator_combi_create(2, MAKE_ARRAY(a, b));
bool ok = true;
ok &= (operator_arg_in_domain(a, 0)->dims[0] == operator_arg_in_domain(c, 0)->dims[0]);
ok &= (operator_arg_in_domain(b, 0)->dims[0] == operator_arg_in_domain(c, 1)->dims[0]);
ok &= (operator_arg_out_codomain(a, 0)->dims[0] == operator_arg_out_codomain(c, 0)->dims[0]);
ok &= (operator_arg_out_codomain(b, 0)->dims[0] == operator_arg_out_codomain(c, 1)->dims[0]);
operator_free(a);
operator_free(b);
operator_free(c);
return ok;
}
UT_REGISTER_TEST(test_op_combi_inout);
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