+ if (pcrd->init < 0)
+ {
+ sprintf(buf, "The initial pull distance is negative with geometry %s, while a distance can not be negative. Use geometry %s instead.",
+ EPULLGEOM(eGeom), EPULLGEOM(epullgDIR));
+ warning_error(wi, buf);
+ }
+ /* TODO: With a positive init but a negative rate things could still
+ * go wrong, but it might be fine if you don't pull too far.
+ * We should give a warning or note when there is only one pull dim
+ * active, since that is usually the problematic case when you should
+ * be using direction. We will do this later, since an already planned
+ * generalization of the pull code makes pull dim available here.
+ */
+