From eb86057daf38a5964f0dc570243b8e60d299f2ac Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@fe.uni-lj.si>
Date: Thu, 07 Jun 2012 13:38:49 +0000
Subject: [PATCH] Ylmi swithed back to ts_spharm

---
 src/sh.c |   79 +++++++++++++++++++++++++++++++++++++--
 1 files changed, 74 insertions(+), 5 deletions(-)

diff --git a/src/sh.c b/src/sh.c
index 055a3c0..7cbb04f 100644
--- a/src/sh.c
+++ b/src/sh.c
@@ -3,6 +3,66 @@
 #include "general.h"
 #include "sh.h"
 
+
+
+ts_spharm *sph_init(ts_vertex_list *vlist, ts_uint l){
+    ts_uint j,i;
+    ts_spharm *sph=(ts_spharm *)malloc(sizeof(ts_spharm));
+
+    /* lets initialize Ylm for each vertex. */
+    sph->Ylmi=(ts_double ***)calloc(l,sizeof(ts_double **));
+    for(i=0;i<vlist->n;i++){
+            sph->Ylmi[i]=(ts_double **)calloc(2*l+1,sizeof(ts_double *));
+            for(j=0;j<l;j++){
+                sph->Ylmi[i][j]=(ts_double *)calloc(vlist->n,sizeof(ts_double));
+            }
+    }
+        
+    /* lets initialize ulm */
+    sph->ulm=(ts_double **)calloc(l,sizeof(ts_double *));
+    for(j=0;j<l;j++){
+        sph->ulm[j]=(ts_double *)calloc(2*j+1,sizeof(ts_double));
+    }
+
+
+    /* lets initialize co */
+    sph->co=(ts_double **)calloc(l,sizeof(ts_double *));
+    for(j=0;j<l;j++){
+        sph->co[j]=(ts_double *)calloc(2*j+1,sizeof(ts_double));
+    }
+   
+    /* Calculate coefficients that will remain constant during all the simulation */ 
+    precomputeShCoeff(sph);
+
+    return sph;
+}
+
+
+ts_bool sph_free(ts_spharm *sph){
+    int i,j;
+    for(i=0;i<sph->l;i++){
+        if(sph->ulm[i]!=NULL) free(sph->ulm[i]);
+        if(sph->co[i]!=NULL) free(sph->co[i]);
+    }
+    if(sph->co != NULL) free(sph->co);
+    if(sph->ulm !=NULL) free(sph->ulm);
+
+        if(sph->Ylmi!=NULL) {
+            for(i=0;i<sph->l;i++){
+                if(sph->Ylmi[i]!=NULL){
+                    for(j=0;j<sph->l*2+1;j++){
+                        if(sph->Ylmi[i][j]!=NULL) free (sph->Ylmi[i][j]);
+                    }
+                    free(sph->Ylmi[i]);
+                }
+            }
+            free(sph->Ylmi);
+        }
+
+    free(sph);
+    return TS_SUCCESS;
+}
+
 /* Gives you legendre polynomials. Taken from NR, p. 254 */
 ts_double plgndr(ts_int l, ts_int m, ts_float x){
 	ts_double fact, pll, pmm, pmmp1, somx2;
@@ -57,12 +117,19 @@
 
 
 ts_bool precomputeShCoeff(ts_spharm *sph){
-    ts_uint i,j;
+    ts_int i,j,al,am;
+    ts_double **co=sph->co;
     for(i=0;i<sph->l;i++){
-        sph->co[i][i]=sqrt((2.0*i+1.0)/2.0/M_PI);
-        for(j=0;j<i-1;j++){
-            
+        al=i+1;
+        sph->co[i][i+1]=sqrt((2.0*al+1.0)/2.0/M_PI);
+        for(j=0;j<al;j++){
+            am=j+1;
+            sph->co[i][i+1+j]=co[i][i+j]*sqrt(1.0/(al-am+1)/(al+am));
+            sph->co[i][i+1-j]=co[i][i+1+j];
         }
+        co[i][2*i]=co[i][2*i]*sqrt(1.0/(2.0*al));
+        co[i][0]=co[i][2*i+1];
+        co[i][i+1]=sqrt((2.0*al+1.0)/4.0/M_PI);
     }
     return TS_SUCCESS;
 
@@ -203,9 +270,11 @@
     ts_spharm *sph=vesicle->sphHarmonics;
     ts_coord *coord=(ts_coord *)malloc(sizeof(ts_coord));
     ts_double fi, theta;
+    ts_vertex *cvtx;
     for(k=0;k<vesicle->vlist->n;k++){
+        cvtx=vesicle->vlist->vtx[k];
         sph->Ylmi[0][0][k]=sqrt(1.0/4.0/M_PI);
-        cart2sph(coord,vesicle->vlist->vtx[k]->x, vesicle->vlist->vtx[k]->y, vesicle->vlist->vtx[k]->z);
+        cart2sph(coord,cvtx->x, cvtx->y, cvtx->z);
         fi=coord->e2;
         theta=coord->e3; 
         for(i=0; i<sph->l; i++){

--
Gitblit v1.9.3