Changeset a3a0c5c in sasmodels

Timestamp:

Jul 26, 2016 9:18:16 PM (8 years ago)

Author:

Paul Kienzle <pkienzle@…>

Branches:

master, core_shell_microgels, costrafo411, magnetic_model, release_v0.94, release_v0.95, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests

Children:

56547a8

Parents:

2f5c6d4

Message:

improve comments

Location:

sasmodels

Files:

• kernel_iq.c (modified) (1 diff)
• kernel_iq.cl (modified) (1 diff)

sasmodels/kernel_iq.c

@@ -243 +243 @@
       // Note: weight==0 must always be excluded
       if (weight0 > cutoff) {
-        // spherical correction has some nasty effects when theta is +90 or -90
-        // where it becomes zero.
+        // spherical correction is set at a minimum of 1e-6, otherwise there
+        // would be problems looking at models with theta=90.
         const double weight = weight0 * spherical_correction;
         pd_norm += weight * CALL_VOLUME(local_values);

sasmodels/kernel_iq.cl

@@ -236 +236 @@
       // Note: weight==0 must always be excluded
       if (weight0 > cutoff) {
-        // spherical correction has some nasty effects when theta is +90 or -90
-        // where it becomes zero.
+        // spherical correction is set at a minimum of 1e-6, otherwise there
+        // would be problems looking at models with theta=90.
         const double weight = weight0 * spherical_correction;
         pd_norm += weight * CALL_VOLUME(local_values);