X-Git-Url: http://git.dev.opencascade.org/gitweb/?p=occt.git;a=blobdiff_plain;f=src%2FAdaptor2d%2FAdaptor2d_Curve2d.hxx;h=c845bcef7a349a576bb2e31f429d979652b8268a;hp=5d119884bd6ecdae9f2eae5b580c364660bbf1af;hb=34e4e9f26e4882f17e9bf8f9caafd5773b76a0b0;hpb=a3d2cb2425e9687ceb1931dcb1208cd45b779f20

diff --git a/src/Adaptor2d/Adaptor2d_Curve2d.hxx b/src/Adaptor2d/Adaptor2d_Curve2d.hxx
index 5d119884bd..c845bcef7a 100644
--- a/src/Adaptor2d/Adaptor2d_Curve2d.hxx
+++ b/src/Adaptor2d/Adaptor2d_Curve2d.hxx
@@ -49,6 +49,10 @@ class Geom2d_BSplineCurve;
 //! the curve by algorithms, which use it.
 //! A derived concrete class is provided:
 //! Geom2dAdaptor_Curve for a curve from the Geom2d package.
+//!
+//! Polynomial coefficients of BSpline curves used for their evaluation are
+//! cached for better performance. Therefore these evaluations are not
+//! thread-safe and parallel evaluations need to be prevented.
 class Adaptor2d_Curve2d 
 {
 public: