Code Style: use "#pragma once" in source directory

This replaces header include guards with `#pragma once`.
A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`),
because they are used in other places.

This patch has been generated by P1561 followed by `make format`.

Differential Revision: https://developer.blender.org/D8466

10 files changed, 10 insertions, 40 deletions

diff --git a/source/blender/simulation/SIM_mass_spring.h b/source/blender/simulation/SIM_mass_spring.h
index d30a7160fd8..219ead477c2 100644
--- a/source/blender/simulation/SIM_mass_spring.h
+++ b/source/blender/simulation/SIM_mass_spring.h
@@ -21,8 +21,7 @@
  * \ingroup bph
  */
 
-#ifndef __SIM_MASS_SPRING_H__
-#define __SIM_MASS_SPRING_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -58,5 +57,3 @@ void SIM_cloth_solver_set_volume(ClothModifierData *clmd);
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/source/blender/simulation/SIM_simulation_update.hh b/source/blender/simulation/SIM_simulation_update.hh
index 40b62bfb58a..2c64fdec02e 100644
--- a/source/blender/simulation/SIM_simulation_update.hh
+++ b/source/blender/simulation/SIM_simulation_update.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __SIM_SIMULATION_UPDATE_HH__
-#define __SIM_SIMULATION_UPDATE_HH__
+#pragma once
 
 struct Depsgraph;
 struct Scene;
@@ -28,5 +27,3 @@ void update_simulation_in_depsgraph(Depsgraph *depsgraph,
                                     Simulation *simulation_cow);
 
 }
-
-#endif /* __SIM_SIMULATION_UPDATE_HH__ */
diff --git a/source/blender/simulation/intern/ConstrainedConjugateGradient.h b/source/blender/simulation/intern/ConstrainedConjugateGradient.h
index c924490f97d..b0f2bb037d2 100644
--- a/source/blender/simulation/intern/ConstrainedConjugateGradient.h
+++ b/source/blender/simulation/intern/ConstrainedConjugateGradient.h
@@ -17,8 +17,7 @@
  * All rights reserved.
  */
 
-#ifndef __CONSTRAINEDCONJUGATEGRADIENT_H__
-#define __CONSTRAINEDCONJUGATEGRADIENT_H__
+#pragma once
 
 #include <Eigen/Core>
 
@@ -331,5 +330,3 @@ struct solve_retval<ConstrainedConjugateGradient<_MatrixType, _UpLo, _Filter, _P
 }  // end namespace internal
 
 }  // end namespace Eigen
-
-#endif  // __CONSTRAINEDCONJUGATEGRADIENT_H__
diff --git a/source/blender/simulation/intern/eigen_utils.h b/source/blender/simulation/intern/eigen_utils.h
index c186cf567df..897ba8b2a67 100644
--- a/source/blender/simulation/intern/eigen_utils.h
+++ b/source/blender/simulation/intern/eigen_utils.h
@@ -17,8 +17,7 @@
  * All rights reserved.
  */
 
-#ifndef __EIGEN_UTILS_H__
-#define __EIGEN_UTILS_H__
+#pragma once
 
 /** \file
  * \ingroup bph
@@ -232,5 +231,3 @@ BLI_INLINE void print_lmatrix(const lMatrix &m)
     printf("\n");
   }
 }
-
-#endif
diff --git a/source/blender/simulation/intern/implicit.h b/source/blender/simulation/intern/implicit.h
index 17dfb8b88b9..a3c8e5f34c4 100644
--- a/source/blender/simulation/intern/implicit.h
+++ b/source/blender/simulation/intern/implicit.h
@@ -17,8 +17,7 @@
  * All rights reserved.
  */
 
-#ifndef __IMPLICIT_H__
-#define __IMPLICIT_H__
+#pragma once
 
 /** \file
  * \ingroup bph
@@ -268,5 +267,3 @@ void SIM_hair_volume_vertex_grid_forces(struct HairGrid *grid,
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/source/blender/simulation/intern/particle_allocator.hh b/source/blender/simulation/intern/particle_allocator.hh
index 1e7578a75ed..ae23c8c8238 100644
--- a/source/blender/simulation/intern/particle_allocator.hh
+++ b/source/blender/simulation/intern/particle_allocator.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __SIM_PARTICLE_ALLOCATOR_HH__
-#define __SIM_PARTICLE_ALLOCATOR_HH__
+#pragma once
 
 #include "BLI_array.hh"
 #include "BLI_vector.hh"
@@ -96,5 +95,3 @@ class ParticleAllocator : NonCopyable, NonMovable {
 };
 
 }  // namespace blender::sim
-
-#endif /* __SIM_PARTICLE_ALLOCATOR_HH__ */
diff --git a/source/blender/simulation/intern/particle_function.hh b/source/blender/simulation/intern/particle_function.hh
index eec4a700383..cc8ccbd8243 100644
--- a/source/blender/simulation/intern/particle_function.hh
+++ b/source/blender/simulation/intern/particle_function.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __SIM_PARTICLE_FUNCTION_HH__
-#define __SIM_PARTICLE_FUNCTION_HH__
+#pragma once
 
 #include "FN_attributes_ref.hh"
 #include "FN_multi_function.hh"
@@ -88,5 +87,3 @@ class ParticleFunctionEvaluator {
 };
 
 }  // namespace blender::sim
-
-#endif /* __SIM_PARTICLE_FUNCTION_HH__ */
diff --git a/source/blender/simulation/intern/simulation_collect_influences.hh b/source/blender/simulation/intern/simulation_collect_influences.hh
index 42cbea6977e..5035461191e 100644
--- a/source/blender/simulation/intern/simulation_collect_influences.hh
+++ b/source/blender/simulation/intern/simulation_collect_influences.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __SIM_SIMULATION_COLLECT_INFLUENCES_HH__
-#define __SIM_SIMULATION_COLLECT_INFLUENCES_HH__
+#pragma once
 
 #include "NOD_derived_node_tree.hh"
 
@@ -64,5 +63,3 @@ void collect_simulation_influences(Simulation &simulation,
                                    RequiredStates &r_required_states);
 
 }  // namespace blender::sim
-
-#endif /* __SIM_SIMULATION_COLLECT_INFLUENCES_HH__ */
diff --git a/source/blender/simulation/intern/simulation_solver.hh b/source/blender/simulation/intern/simulation_solver.hh
index 2dc0921ad9e..3fc61f579e3 100644
--- a/source/blender/simulation/intern/simulation_solver.hh
+++ b/source/blender/simulation/intern/simulation_solver.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __SIM_SIMULATION_SOLVER_HH__
-#define __SIM_SIMULATION_SOLVER_HH__
+#pragma once
 
 #include "BLI_float3.hh"
 #include "BLI_span.hh"
@@ -273,5 +272,3 @@ void solve_simulation_time_step(Simulation &simulation,
                                 float time_step);
 
 }  // namespace blender::sim
-
-#endif /* __SIM_SIMULATION_SOLVER_HH__ */
diff --git a/source/blender/simulation/intern/time_interval.hh b/source/blender/simulation/intern/time_interval.hh
index 49600dd10de..6f13634ed06 100644
--- a/source/blender/simulation/intern/time_interval.hh
+++ b/source/blender/simulation/intern/time_interval.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __SIM_TIME_INTERVAL_HH__
-#define __SIM_TIME_INTERVAL_HH__
+#pragma once
 
 #include "BLI_utildefines.h"
 
@@ -53,5 +52,3 @@ class TimeInterval {
 };
 
 }  // namespace blender::sim
-
-#endif /* __SIM_TIME_INTERVAL_HH__ */