Changeset 1e40ed1 in sasview for sansmodels/src/c_models/starpolymer.cpp

Timestamp:

Aug 23, 2012 10:22:16 AM (12 years ago)

Author:

Kieran Campbell <kieranrcampbell@…>

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

10b3e1e

Parents:

fe112d1a

Message:

Small problem with the maths in starpolymer

File:

• sansmodels/src/c_models/starpolymer.cpp (modified) (1 diff)

sansmodels/src/c_models/starpolymer.cpp

@@ -27 +27 @@
   double d_background = background();
 
-  double u = d_R2 * pow(q,2);
-  double v = pow(u,2.0) * d_arms / (3.0 * d_arms - 2.0);
+  double u_2 = d_R2 * pow(q,2);
+  double v = u_2 * d_arms / (3.0 * d_arms - 2.0);
 
   double term1 = v - 1.0 + exp(-v);