Merge branch 'master' into tutorial-update

Author: jessdtate

src/Graphics/Glyphs/GlyphGeomUtility.h

@@ -56,8 +56,11 @@ class SCISHARE GlyphGeomUtility
 
 inline double GlyphGeomUtility::spow(double e, double x)
 {
-  if (std::abs(e) < 1.0e-14)
-    return 0.0;
+  static const auto EPSILON = 1.0e-6;
+  // This for round off of very small numbers.
+  if (std::abs(e) < EPSILON)
+    e = 0.0;
+
   if (e < 0.0)
     return -std::pow(-e, x);
   else