1 files changed, 8 insertions, 8 deletions

diff --git a/extern/mantaflow/preprocessed/plugin/apic.cpp b/extern/mantaflow/preprocessed/plugin/apic.cpp
index 0312544c56b..9df6b597e05 100644
--- a/extern/mantaflow/preprocessed/plugin/apic.cpp
+++ b/extern/mantaflow/preprocessed/plugin/apic.cpp
@@ -271,8 +271,8 @@ void apicMapPartsToMAC(const FlagGrid &flags,
                        const ParticleDataImpl<Vec3> &cpx,
                        const ParticleDataImpl<Vec3> &cpy,
                        const ParticleDataImpl<Vec3> &cpz,
-                       MACGrid *mass = NULL,
-                       const ParticleDataImpl<int> *ptype = NULL,
+                       MACGrid *mass = nullptr,
+                       const ParticleDataImpl<int> *ptype = nullptr,
                        const int exclude = 0,
                        const int boundaryWidth = 0)
 {
@@ -297,7 +297,7 @@ static PyObject *_W_0(PyObject *_self, PyObject *_linargs, PyObject *_kwds)
     FluidSolver *parent = _args.obtainParent();
     bool noTiming = _args.getOpt<bool>("notiming", -1, 0);
     pbPreparePlugin(parent, "apicMapPartsToMAC", !noTiming);
-    PyObject *_retval = 0;
+    PyObject *_retval = nullptr;
     {
       ArgLocker _lock;
       const FlagGrid &flags = *_args.getPtr<FlagGrid>("flags", 0, &_lock);
@@ -308,9 +308,9 @@ static PyObject *_W_0(PyObject *_self, PyObject *_linargs, PyObject *_kwds)
       const ParticleDataImpl<Vec3> &cpx = *_args.getPtr<ParticleDataImpl<Vec3>>("cpx", 4, &_lock);
       const ParticleDataImpl<Vec3> &cpy = *_args.getPtr<ParticleDataImpl<Vec3>>("cpy", 5, &_lock);
       const ParticleDataImpl<Vec3> &cpz = *_args.getPtr<ParticleDataImpl<Vec3>>("cpz", 6, &_lock);
-      MACGrid *mass = _args.getPtrOpt<MACGrid>("mass", 7, NULL, &_lock);
+      MACGrid *mass = _args.getPtrOpt<MACGrid>("mass", 7, nullptr, &_lock);
       const ParticleDataImpl<int> *ptype = _args.getPtrOpt<ParticleDataImpl<int>>(
-          "ptype", 8, NULL, &_lock);
+          "ptype", 8, nullptr, &_lock);
       const int exclude = _args.getOpt<int>("exclude", 9, 0, &_lock);
       const int boundaryWidth = _args.getOpt<int>("boundaryWidth", 10, 0, &_lock);
       _retval = getPyNone();
@@ -544,7 +544,7 @@ void apicMapMACGridToParts(ParticleDataImpl<Vec3> &partVel,
                            const BasicParticleSystem &parts,
                            const MACGrid &vel,
                            const FlagGrid &flags,
-                           const ParticleDataImpl<int> *ptype = NULL,
+                           const ParticleDataImpl<int> *ptype = nullptr,
                            const int exclude = 0,
                            const int boundaryWidth = 0)
 {
@@ -558,7 +558,7 @@ static PyObject *_W_1(PyObject *_self, PyObject *_linargs, PyObject *_kwds)
     FluidSolver *parent = _args.obtainParent();
     bool noTiming = _args.getOpt<bool>("notiming", -1, 0);
     pbPreparePlugin(parent, "apicMapMACGridToParts", !noTiming);
-    PyObject *_retval = 0;
+    PyObject *_retval = nullptr;
     {
       ArgLocker _lock;
       ParticleDataImpl<Vec3> &partVel = *_args.getPtr<ParticleDataImpl<Vec3>>(
@@ -570,7 +570,7 @@ static PyObject *_W_1(PyObject *_self, PyObject *_linargs, PyObject *_kwds)
       const MACGrid &vel = *_args.getPtr<MACGrid>("vel", 5, &_lock);
       const FlagGrid &flags = *_args.getPtr<FlagGrid>("flags", 6, &_lock);
       const ParticleDataImpl<int> *ptype = _args.getPtrOpt<ParticleDataImpl<int>>(
-          "ptype", 7, NULL, &_lock);
+          "ptype", 7, nullptr, &_lock);
       const int exclude = _args.getOpt<int>("exclude", 8, 0, &_lock);
       const int boundaryWidth = _args.getOpt<int>("boundaryWidth", 9, 0, &_lock);
       _retval = getPyNone();