Initialize and free memory for static analyzer

src/libbrep/edit.cpp

@@ -25,6 +25,7 @@
 
 #include "brep/edit.h"
 #include "bu/log.h"
+#include "bu/malloc.h"
 #include <vector>
 
 void *brep_create()
@@ -296,23 +297,25 @@ std::vector<ON_3dVector> calculateTangentVectors(const std::vector<ON_3dPoint> &
  qk[n + 2] = 2 * qk[n + 1] - qk[n];
 
  /// tk is a middle variable for calculating ak. tk=|qk-1 x qk|
- double *tk = new double[n + 3];
+ double *tk = (double *)bu_calloc(n + 3, sizeof(double), "tk");
  tk[0] = ON_CrossProduct(q_, qk[0]).Length();
  for (int i = 1; i < n + 3; ++i) {
  tk[i] = ON_CrossProduct(qk[i - 1], qk[i]).Length();
  }
 
  /// calculate ak
- double *ak = new double[n + 1];
+ double *ak = (double *)bu_calloc(n + 1, sizeof(double), "ak");
  for (int i = 0; i < n + 1; ++i) {
  ak[i] = tk[i] / (tk[i] + tk[i + 2]);
  }
+ bu_free(tk, "tk");
 
  /// calculate vk
  ON_3dVectorArray vk(n + 1);
  for (int i = 0; i < n + 1; ++i) {
  vk[i] = (1 - ak[i]) * qk[i] + ak[i] * qk[i];
  }
+ bu_free(ak, "ak");
 
  std::vector<ON_3dVector> tangentVectors;