Changeset f8f0991 in sasmodels

Timestamp:

Oct 20, 2016 4:52:31 PM (8 years ago)

Author:

Paul Kienzle <pkienzle@…>

Branches:

master, core_shell_microgels, costrafo411, magnetic_model, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests

Children:

bbc2b34

Parents:

5c94f41

Message:

hollow_cylinder: note limiting cases in comments, but do not implement

File:

• sasmodels/models/hollow_cylinder.c (modified) (1 diff)

sasmodels/models/hollow_cylinder.c

@@ -23 +23 @@
     const double lam2 = sas_J1c(radius*qs);
     const double gamma_sq = square(radius/(radius+thickness));
-    //Note: lim_{r -> r_c} psi = J0(radius_core*qs)
+    //Note: lim_{thickness -> 0} psi = J0(radius*qs)
+    //Note: lim_{radius -> 0} psi = sas_J1c(thickness*qs)
     const double psi = (lam1 - gamma_sq*lam2)/(1.0 - gamma_sq); //SRK 10/19/00
     const double t2 = sinc(0.5*q*length*cos_val);