Fix more issues found by cppcheck.

3 files changed, 8 insertions, 5 deletions

diff --git a/core/math/convex_hull.cpp b/core/math/convex_hull.cpp
index bd292f4c2a..23a0b5dd54 100644
--- a/core/math/convex_hull.cpp
+++ b/core/math/convex_hull.cpp
@@ -509,7 +509,7 @@ public:
 		Face() {
 		}
 
-		void init(Vertex *p_a, Vertex *p_b, Vertex *p_c) {
+		void init(Vertex *p_a, const Vertex *p_b, const Vertex *p_c) {
 			nearby_vertex = p_a;
 			origin = p_a->point;
 			dir0 = *p_b - *p_a;
@@ -614,7 +614,7 @@ private:
 
 	static Orientation get_orientation(const Edge *p_prev, const Edge *p_next, const Point32 &p_s, const Point32 &p_t);
 	Edge *find_max_angle(bool p_ccw, const Vertex *p_start, const Point32 &p_s, const Point64 &p_rxs, const Point64 &p_ssxrxs, Rational64 &p_min_cot);
-	void find_edge_for_coplanar_faces(Vertex *p_c0, Vertex *p_c1, Edge *&p_e0, Edge *&p_e1, Vertex *p_stop0, Vertex *p_stop1);
+	void find_edge_for_coplanar_faces(Vertex *p_c0, Vertex *p_c1, Edge *&p_e0, Edge *&p_e1, const Vertex *p_stop0, const Vertex *p_stop1);
 
 	Edge *new_edge_pair(Vertex *p_from, Vertex *p_to);
 
@@ -1189,7 +1189,7 @@ ConvexHullInternal::Edge *ConvexHullInternal::find_max_angle(bool p_ccw, const V
 	return min_edge;
 }
 
-void ConvexHullInternal::find_edge_for_coplanar_faces(Vertex *p_c0, Vertex *p_c1, Edge *&p_e0, Edge *&p_e1, Vertex *p_stop0, Vertex *p_stop1) {
+void ConvexHullInternal::find_edge_for_coplanar_faces(Vertex *p_c0, Vertex *p_c1, Edge *&p_e0, Edge *&p_e1, const Vertex *p_stop0, const Vertex *p_stop1) {
 	Edge *start0 = p_e0;
 	Edge *start1 = p_e1;
 	Point32 et0 = start0 ? start0->target->point : p_c0->point;
diff --git a/core/math/geometry_3d.cpp b/core/math/geometry_3d.cpp
index bd22bffb1f..f76de079e4 100644
--- a/core/math/geometry_3d.cpp
+++ b/core/math/geometry_3d.cpp
@@ -904,8 +904,8 @@ Vector<Vector3> Geometry3D::compute_convex_mesh_points(const Plane *p_planes, in
 /* dt of 1d function using squared distance */
 static void edt(float *f, int stride, int n) {
 	float *d = (float *)alloca(sizeof(float) * n + sizeof(int) * n + sizeof(float) * (n + 1));
-	int *v = (int *)&(d[n]);
-	float *z = (float *)&v[n];
+	int *v = reinterpret_cast<int *>(&(d[n]));
+	float *z = reinterpret_cast<float *>(&v[n]);
 
 	int k = 0;
 	v[0] = 0;
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h
index b741277872..068bc0397e 100644
--- a/core/math/math_funcs.h
+++ b/core/math/math_funcs.h
@@ -103,6 +103,9 @@ public:
 	static _ALWAYS_INLINE_ double log(double p_x) { return ::log(p_x); }
 	static _ALWAYS_INLINE_ float log(float p_x) { return ::logf(p_x); }
 
+	static _ALWAYS_INLINE_ double log1p(double p_x) { return ::log1p(p_x); }
+	static _ALWAYS_INLINE_ float log1p(float p_x) { return ::log1pf(p_x); }
+
 	static _ALWAYS_INLINE_ double log2(double p_x) { return ::log2(p_x); }
 	static _ALWAYS_INLINE_ float log2(float p_x) { return ::log2f(p_x); }