void mul_real_matrix_product(const real_array_t * a,const real_array_t * b,real_array_t* dest)
{
    modelica_real tmp;
    size_t i_size;
    size_t j_size;
    size_t k_size;
    size_t i;
    size_t j;
    size_t k;

    /* Assert that dest has correct size */
    i_size = dest->dim_size[0];
    j_size = dest->dim_size[1];
    k_size = a->dim_size[1];

    for (i = 0; i < i_size; ++i) {
        for (j = 0; j < j_size; ++j) {
            tmp = 0;
            for (k = 0; k < k_size; ++k) {
                tmp += real_get(a, (i * k_size) + k)*real_get(b, (k * j_size) + j);
            }
            real_set(dest, (i * j_size) + j, tmp);
        }
    }
}

void mul_real_array(const real_array_t *a,const real_array_t *b,real_array_t* dest)
{
  size_t nr_of_elements;
  size_t i;
  /* Assert that a,b have same sizes? */
  nr_of_elements = base_array_nr_of_elements(*a);
  for(i=0; i < nr_of_elements; ++i) {
    real_set(dest, i, real_get(*a, i) * real_get(*b, i));
  }
}

void sub_real_array(const real_array_t * a, const real_array_t * b, real_array_t* dest)
{
    size_t nr_of_elements;
    size_t i;

    /* Assert a and b are of the same size */
    /* Assert that dest are of correct size */
    nr_of_elements = base_array_nr_of_elements(a);
    for (i = 0; i < nr_of_elements; ++i) {
        real_set(dest, i, real_get(a, i)-real_get(b, i));
    }
}

void sub_real_array_data_mem(const real_array_t * a, const real_array_t * b,
                             modelica_real* dest)
{
    size_t nr_of_elements;
    size_t i;

    /* Assert a and b are of the same size */
    /* Assert that dest are of correct size */
    nr_of_elements = base_array_nr_of_elements(a);
    for (i = 0; i < nr_of_elements; ++i) {
        dest[i] = real_get(a, i) - real_get(b, i);
    }
}

modelica_real mul_real_scalar_product(const real_array_t * a, const real_array_t * b)
{
    size_t nr_of_elements;
    size_t i;
    modelica_real res;
    /* Assert that a and b are vectors */
    /* Assert that vectors are of matching size */

    nr_of_elements = real_array_nr_of_elements(a);
    res = 0.0;
    for (i = 0; i < nr_of_elements; ++i) {
        res += real_get(a, i)*real_get(b, i);
    }
    return res;
}

/* function: transpose_real_array
 *
 * Implementation of transpose(A) for matrix A.
 */
void transpose_real_array(const real_array_t * a, real_array_t* dest)
{
    size_t i;
    size_t j;
    /*  size_t k;*/
    size_t n,m;

    if (a->ndims == 1) {
        copy_real_array_data(a,dest);
        return;
    }

    assert(a->ndims==2 && dest->ndims==2);

    n = a->dim_size[0];
    m = a->dim_size[1];

    assert(dest->dim_size[0] == m && dest->dim_size[1] == n);

    for (i = 0; i < n; ++i) {
        for (j = 0; j < m; ++j) {
            real_set(dest, (j * n) + i, real_get(a, (i * m) + j));
        }
    }
}

modelica_real scalar_real_array(const real_array_t* a)
{
    assert(base_array_ok(a));
    assert(base_array_one_element_ok(a));

    return real_get(a, 0);
}

void array_real_array(real_array_t* dest,int n,real_array_t* first,...)
{
    int i,j,c,m;
    va_list ap;

    real_array_t **elts = (real_array_t**)malloc(sizeof(real_array_t *) * n);
    assert(elts);
    /* collect all array ptrs to simplify traversal.*/
    va_start(ap,first);
    elts[0] = first;
    for (i = 1; i < n; ++i) {
        elts[i] = va_arg(ap, real_array_t*);
    }
    va_end(ap);

    check_base_array_dim_sizes((const base_array_t **)elts,n);

    for (i = 0, c = 0; i < n; ++i) {
        m = base_array_nr_of_elements(elts[i]);
        for (j = 0; j < m; ++j) {
            real_set(dest, c, real_get(elts[i], j));
            c++;
        }
    }
    free(elts);
}

/* Indexing 4 dimensions */
modelica_real real_get_4D(const real_array_t *a, size_t i, size_t j, size_t k, size_t l)
{
  modelica_real value = real_get(a, (i * a->dim_size[1] * a->dim_size[2] * a->dim_size[3])
                                  + (j * a->dim_size[2] * a->dim_size[3])
                                  + (k * a->dim_size[3]) + l);
  return value;
}

modelica_real scalar_real_array(const real_array_t* a)
{
    omc_assert_macro(base_array_ok(a));
    omc_assert_macro(base_array_one_element_ok(a));

    return real_get(*a, 0);
}

/* Zero based index */
void simple_indexed_assign_real_array1(const real_array_t * source,
               int i1,
               real_array_t* dest)
{
    /* Assert that source has the correct dimension */
    /* Assert that dest has the correct dimension */
    real_set(dest, i1, real_get(source, i1));
}

int main()
{
	object_t *object, *copy;

	plan(10);

	object = hash(
		"string", string("foo"),
		"real", real(4.2),
		"integer", integer(42),
		"boolean", boolean(true),
		"array", array(
			integer(1),
			integer(2),
			integer(3)
		)
	);

	copy = object_copy(object);

	hash_set(object, "string", string("bar"));
	ok(!strcmp("bar", string_to_c_str(hash_get(object, "string"))), "object[\"string\"] is \"bar\"");
	ok(!strcmp("foo", string_to_c_str(hash_get(copy, "string"))), "copy[\"string\"] is \"foo\"");

	hash_set(object, "real", real(3.4));
	ok(real_get(hash_get(object, "real")) == 3.4, "object[\"real\"] == 3.4");
	ok(real_get(hash_get(copy, "real")) == 4.2, "copy[\"real\"] == 4.2");

	hash_set(object, "integer", integer(34));
	ok(integer_get(hash_get(object, "integer")) == 34, "object[\"integer\"] == 34");
	ok(integer_get(hash_get(copy, "integer")) == 42, "copy[\"integer\"] == 42");

	hash_set(object, "boolean", boolean(false));
	ok(boolean_get(hash_get(object, "boolean")) == false, "object[\"boolean\"] is false");
	ok(boolean_get(hash_get(copy, "boolean")) == true, "copy[\"boolean\"] is true");

	array_splice(hash_get(object, "array"), 0, 3, NULL);
	ok(array_size(hash_get(object, "array")) == 0, "object[\"array\"] contains 0 elements");
	ok(array_size(hash_get(copy, "array")) == 3, "copy[\"array\"] contains 3 elements");

	object_free(copy);
	object_free(object);

	return 0;
}

void usub_real_array(real_array_t* a)
{
    size_t nr_of_elements, i;

    nr_of_elements = base_array_nr_of_elements(a);
    for(i = 0; i < nr_of_elements; ++i)
    {
        real_set(a, i, -real_get(a, i));
    }
}

void simple_indexed_assign_real_array2(const real_array_t * source,
               int i1, int i2,
               real_array_t* dest)
{
    size_t index;
    /* Assert that source has correct dimension */
    /* Assert that dest has correct dimension */
    index = (i1 * source->dim_size[1]) + i2;
    real_set(dest, index, real_get(source, index));
}

void division_real_array_scalar(const real_array_t * a,modelica_real b,real_array_t* dest, const char* division_str)
{
    size_t nr_of_elements;
    size_t i;
    /* Assert that dest has correct size*/
    nr_of_elements = base_array_nr_of_elements(a);
    for (i=0; i < nr_of_elements; ++i) {
        real_set(dest, i, DIVISIONNOTIME(real_get(a, i),b,division_str));
    }
}

void mul_scalar_real_array(modelica_real a,const real_array_t * b,real_array_t* dest)
{
    size_t nr_of_elements;
    size_t i;
    /* Assert that dest has correct size*/
    nr_of_elements = base_array_nr_of_elements(b);
    for (i=0; i < nr_of_elements; ++i) {
        real_set(dest, i, a * real_get(b, i));
    }
}

void mul_real_array_scalar(const real_array_t * a,modelica_real b,real_array_t* dest)
{
    size_t nr_of_elements;
    size_t i;
    /* Assert that dest has correct size*/
    nr_of_elements = base_array_nr_of_elements(a);
    for (i=0; i < nr_of_elements; ++i) {
        real_set(dest, i, real_get(a, i) * b);
    }
}

void cast_real_array_to_integer(const real_array_t * a, integer_array_t* dest)
{
    int els = base_array_nr_of_elements(a);
    int i;
    clone_base_array_spec(a,dest);
    alloc_integer_array_data(dest);
    for (i=0; i<els; i++) {
        put_integer_element((modelica_integer)real_get(a,i),i,dest);
    }
}

/* function: cat_real_array
 *
 * Concatenates n real arrays along the k:th dimension.
 * k is one based
 */
void cat_real_array(int k, real_array_t* dest, int n,
                    real_array_t* first,...)
{
    va_list ap;
    int i, j, r, c;
    int n_sub = 1, n_super = 1;
    int new_k_dim_size = 0;
    real_array_t **elts = (real_array_t**)malloc(sizeof(real_array_t *) * n);

    assert(elts);
    /* collect all array ptrs to simplify traversal.*/
    va_start(ap, first);
    elts[0] = first;

    for (i = 1; i < n; i++) {
        elts[i] = va_arg(ap,real_array_t*);
    }
    va_end(ap);

    /* check dim sizes of all inputs and dest */
    assert(elts[0]->ndims >= k);
    for (i = 0; i < n; i++) {
        assert(dest->ndims == elts[i]->ndims);
        for (j = 0; j < (k - 1); j++) {
            assert(dest->dim_size[j] == elts[i]->dim_size[j]);
        }
        new_k_dim_size += elts[i]->dim_size[k-1];
        for (j = k; j < elts[0]->ndims; j++) {
            assert(dest->dim_size[j] == elts[i]->dim_size[j]);
        }
    }
    assert(dest->dim_size[k-1] == new_k_dim_size);

    /* calculate size of sub and super structure in 1-dim data representation */
    for (i = 0; i < (k - 1); i++) {
        n_super *= elts[0]->dim_size[i];
    }
    for (i = k; i < elts[0]->ndims; i++) {
        n_sub *= elts[0]->dim_size[i];
    }

    /* concatenation along k-th dimension */
    j = 0;
    for (i = 0; i < n_super; i++) {
        for (c = 0; c < n; c++) {
            int n_sub_k = n_sub * elts[c]->dim_size[k-1];
            for (r = 0; r < n_sub_k; r++) {
                real_set(dest, j,
                            real_get(elts[c], r + (i * n_sub_k)));
                j++;
            }
        }
    }
    free(elts);
}

void pow_real_array_scalar(const real_array_t *a, modelica_real b, real_array_t* dest)
{
  size_t nr_of_elements = base_array_nr_of_elements(a);
  size_t i;

  assert(nr_of_elements == base_array_nr_of_elements(dest));

  for(i = 0; i < nr_of_elements; ++i) {
    real_set(dest, i, pow(real_get(a, i), b));
  }
}