Changeset ead25cb in sasmodels

Timestamp:

Jan 16, 2018 9:51:49 AM (7 years ago)

Author:

Paul Kienzle <pkienzle@…>

Branches:

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

Children:

e9ed2de

Parents:

9149238

Message:

update comment to explain length 152 vector for gauss150

File:

• sasmodels/models/lib/gauss150.c (modified) (3 diffs)

sasmodels/models/lib/gauss150.c

@@ -16 +16 @@
  #define GAUSS_W Gauss150Wt
 
-// Note: using array size 152 so that it is a multiple of 4
 
-// Gaussians
+// Note: using array size 152 rather than 150 so that it is a multiple of 4.
+// Some OpenCL devices prefer that vectors start and end on nice boundaries.
 constant double Gauss150Z[152]={
         -0.9998723404457334,
@@ -170 +170 @@
         0.9993274305065947,
         0.9998723404457334,
-        0.,
-        0.
+        0., // zero padding is ignored
+        0.  // zero padding is ignored
 };
 
@@ -325 +325 @@
         0.0007624720924706,
         0.0003276086705538,
-        0.,
-        0.
+        0., // zero padding is ignored
+        0.  // zero padding is ignored
 };