Add copyright headers to all c/h files

include/qdldl.h

@@ -1,3 +1,25 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, Bartolomeo Stellato, Goran Banjac, Ian McInerney, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 #ifndef QDLDL_H
 #define QDLDL_H
 

src/qdldl.c

@@ -1,3 +1,25 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, Bartolomeo Stellato, Goran Banjac, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 #include "qdldl.h"
 
 #define QDLDL_UNKNOWN (-1)

tests/minunit.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Bartolomeo Stellato, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 /* QDLDL TESTER MODULE */
 
 /* THE CODE FOR MINIMAL UNIT TESTING HAS BEEN TAKEN FROM

tests/qdldl_tester.c

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, Bartolomeo Stellato, Goran Banjac, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 /* QDLDL TESTER MODULE */
 
 /* THE CODE FOR MINIMAL UNIT TESTING HAS BEEN TAKEN FROM

tests/test_basic.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, Bartolomeo Stellato, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 static char* test_basic()
 {
   //A matrix data

tests/test_identity.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 static char* test_identity()
 {
   //A matrix data

tests/test_osqp_kkt.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Bartolomeo Stellato, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 static char* test_osqp_kkt()
 {
   // Unordered A

tests/test_rank_deficient.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, Bartolomeo Stellato, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 static char* test_rank_deficient()
 {
   //A matrix data

tests/test_singleton.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 static char* test_singleton()
 {
   //A matrix data

tests/test_sym_structure.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, Bartolomeo Stellato, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 static char* test_sym_structure()
 {
   //A matrix data

tests/test_tril_structure.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 static char* test_tril_structure()
 {
   //A matrix data

tests/test_two_by_two.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 static char* test_two_by_two()
 {
   //A matrix data

tests/test_zero_on_diag.h

@@ -1,3 +1,26 @@
+/*
+ * This file is part of QDLDL, a library for performing the LDL^T factorization
+ * of a symmetric indefinite matrix.
+ *
+ * QDLDL is part of the OSQP project, and is available at https://github.com/osqp/qdldl.
+ *
+ * Copyright 2018, Paul Goulart, The OSQP developers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 static char* test_zero_on_diag()
 {
   //A matrix data