Remove SPDX headers and redundant 3x3 upper_tri test

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Transurgeon

src/atoms/affine/diag_mat.c

@@ -15,8 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-// SPDX-License-Identifier: Apache-2.0
-
 #include "atoms/affine.h"
 #include <assert.h>
 #include <stdlib.h>

src/atoms/affine/upper_tri.c

@@ -15,8 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-// SPDX-License-Identifier: Apache-2.0
-
 #include "atoms/affine.h"
 #include <assert.h>
 #include <stdlib.h>

tests/all_tests.c

@@ -135,7 +135,6 @@ int main(void)
     mu_run_test(test_matmul, tests_run);
     mu_run_test(test_left_matmul_dense, tests_run);
     mu_run_test(test_diag_mat_forward, tests_run);
-    mu_run_test(test_upper_tri_forward, tests_run);
     mu_run_test(test_upper_tri_forward_4x4, tests_run);
 
     printf("\n--- Jacobian Tests ---\n");

tests/forward_pass/affine/test_diag_mat.h

@@ -1,5 +1,3 @@
-// SPDX-License-Identifier: Apache-2.0
-
 #include <stdio.h>
 
 #include "atoms/affine.h"

tests/forward_pass/affine/test_upper_tri.h

@@ -1,38 +1,10 @@
-// SPDX-License-Identifier: Apache-2.0
-
 #include <stdio.h>
 
 #include "atoms/affine.h"
 #include "expr.h"
 #include "minunit.h"
 #include "test_helpers.h"
 
-const char *test_upper_tri_forward(void)
-{
-    /* 3x3 matrix variable (column-major): [1,2,3,4,5,6,7,8,9]
-     * Matrix:  1 4 7
-     *          2 5 8
-     *          3 6 9
-     * Upper tri in row-major order (matching CVXPY):
-     *   Row 0: (0,1)=4, (0,2)=7
-     *   Row 1: (1,2)=8
-     * Flat indices: 3, 6, 7 */
-    double u[9] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0};
-    expr *var = new_variable(3, 3, 0, 9);
-    expr *ut = new_upper_tri(var);
-
-    mu_assert("upper_tri d1", ut->d1 == 3);
-    mu_assert("upper_tri d2", ut->d2 == 1);
-
-    ut->forward(ut, u);
-
-    double expected[3] = {4.0, 7.0, 8.0};
-    mu_assert("upper_tri forward", cmp_double_array(ut->value, expected, 3));
-
-    free_expr(ut);
-    return 0;
-}
-
 const char *test_upper_tri_forward_4x4(void)
 {
     /* 4x4 matrix variable (column-major): [1..16]

tests/jacobian_tests/affine/test_diag_mat.h

@@ -1,5 +1,3 @@
-// SPDX-License-Identifier: Apache-2.0
-
 #include <stdio.h>
 
 #include "atoms/affine.h"

tests/jacobian_tests/affine/test_upper_tri.h

@@ -1,5 +1,3 @@
-// SPDX-License-Identifier: Apache-2.0
-
 #include <stdio.h>
 
 #include "atoms/affine.h"

tests/wsum_hess/affine/test_diag_mat.h

@@ -1,5 +1,3 @@
-// SPDX-License-Identifier: Apache-2.0
-
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>

tests/wsum_hess/affine/test_upper_tri.h

@@ -1,5 +1,3 @@
-// SPDX-License-Identifier: Apache-2.0
-
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>