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#include <stdio.h>
#include <stc/cspan.h>
#include "ctest.h"
using_cspan3(intspan, int);
CTEST(cspan, subdim) {
int array[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
intspan3 m = cspan_multidim(array, 2, 2, 3);
for (size_t i = 0; i < m.dim[0]; ++i) {
intspan2 sub_i = cspan_at3(&m, i);
for (size_t j = 0; j < m.dim[1]; ++j) {
intspan sub_i_j = cspan_at2(&sub_i, j);
for (size_t k = 0; k < m.dim[2]; ++k) {
ASSERT_EQ(*cspan_at(&sub_i_j, k), *cspan_at(&m, i, j, k));
}
}
}
}
CTEST(cspan, slice) {
int array[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
intspan2 m1 = cspan_multidim(array, 3, 4);
size_t sum1 = 0;
for (size_t i = 0; i < m1.dim[0]; ++i) {
for (size_t j = 0; j < m1.dim[1]; ++j) {
sum1 += *cspan_at(&m1, i, j);
}
}
intspan2 m2 = m1;
cspan_slice(&m2, c_SLICE(0), c_SLICE(2,4));
size_t sum2 = 0;
for (size_t i = 0; i < m2.dim[0]; ++i) {
for (size_t j = 0; j < m2.dim[1]; ++j) {
sum2 += *cspan_at(&m2, i, j);
}
}
ASSERT_EQ(78, sum1);
ASSERT_EQ(45, sum2);
}
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