Changeset 184912d in sasview for src

Timestamp:

Dec 4, 2014 5:42:02 AM (10 years ago)

Author:

pkienzle

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:

3d669e1

Parents:

70a9d1c

Message:

fix capped cylinder volume calculation

File:

• src/sans/models/c_extension/c_models/capcyl.cpp (modified) (2 diffs)

src/sans/models/c_extension/c_models/capcyl.cpp

@@ -242 +242 @@
 
                                 //Un-normalize SphereForm by volume
-                                hDist = -1.0*sqrt(fabs(dp[3]*dp[3]-dp[1]*dp[1]));
+                                hDist = sqrt(fabs(dp[3]*dp[3]-dp[1]*dp[1]));
                                 vol_i = pi*dp[1]*dp[1]*dp[2]+2.0*pi/3.0*((dp[3]-hDist)*(dp[3]-hDist)*
-                                                                (2.0*(dp[3]+hDist)));
+                                                                (2.0*dp[3]+hDist));
                                 result =  CappedCylinder(dp, q) * vol_i;
                                 // This FIXES a singualrity the kernel in libigor.
@@ -330 +330 @@
                                                 dp.phi = weights_phi[m].value;
                                                 //Un-normalize Form by volume
-                                                hDist = -1.0*sqrt(fabs(dp.rad_cap*dp.rad_cap-dp.rad_cyl*dp.rad_cyl));
+                                                hDist = sqrt(fabs(dp.rad_cap*dp.rad_cap-dp.rad_cyl*dp.rad_cyl));
                                                 vol_i = pi*dp.rad_cyl*dp.rad_cyl*dp.len_cyl+2.0*pi/3.0*((dp.rad_cap-hDist)*(dp.rad_cap-hDist)*
                                                                                 (2*dp.rad_cap+hDist));