Changeset d277229 in sasmodels for sasmodels/models/rectangular_prism.c

Timestamp:

Sep 7, 2018 5:29:38 AM (6 years ago)

Author:

grethevj

Branches:

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

Children:

3c60146

Parents:

2a12351b

Message:

Models updated to include choices for effective interaction radii

File:

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

sasmodels/models/rectangular_prism.c

@@ -3 +3 @@
 {
     return length_a * (length_a*b2a_ratio) * (length_a*c2a_ratio);
+}
+
+static double
+effective_radius(int mode, double length_a, double b2a_ratio, double c2a_ratio)
+{
+    if (mode == 1) {
+        return cbrt(0.75*cube(length_a)*b2a_ratio*c2a_ratio/M_PI);
+    } else if (mode == 2) {
+        return 0.5 * length_a;
+    } else if (mode == 3) {
+        return 0.5 * length_a*b2a_ratio;
+    } else if (mode == 4) {
+        return 0.5 * length_a*c2a_ratio;
+    } else if (mode == 5) {
+        return length_a*sqrt(b2a_ratio/M_PI);
+    } else if (mode == 6) {
+        return 0.5*sqrt(square(length_a) * (1.0 + square(b2a_ratio)));
+    } else {
+        return 0.5*sqrt(square(length_a) * (1.0 + square(b2a_ratio) + square(c2a_ratio)));
+    }
 }