From 2eaa9ed304d3cf22883db99a41a277cde6deb617 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Wed, 27 Feb 2019 18:36:47 +0000
Subject: [PATCH] Fix in size of c0 for clustering

---
 src/sh.c |   82 ++++++++++++++++++++++++++++++++++++++--
 1 files changed, 77 insertions(+), 5 deletions(-)

diff --git a/src/sh.c b/src/sh.c
index ea050b9..3f64939 100644
--- a/src/sh.c
+++ b/src/sh.c
@@ -1,15 +1,17 @@
+/* vim: set ts=4 sts=4 sw=4 noet : */
 #include<math.h>
 #include<stdlib.h>
 #include "general.h"
 #include "sh.h"
-
+#include "io.h"
+#include <string.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));
 
-    
+    sph->N=0;
     /* lets initialize Ylm for each vertex. */
     sph->Ylmi=(ts_double ***)calloc(l,sizeof(ts_double **));
     for(i=0;i<l;i++){
@@ -25,6 +27,11 @@
         sph->ulm[j]=(ts_double *)calloc(2*j+1,sizeof(ts_double));
     }
 
+    /* lets initialize sum of Ulm2 */
+    sph->sumUlm2=(ts_double **)calloc(l,sizeof(ts_double *));
+    for(j=0;j<l;j++){
+        sph->sumUlm2[j]=(ts_double *)calloc(2*j+1,sizeof(ts_double));
+    }
 
     /* lets initialize co */
 //NOTE: C is has zero based indexing. Code is imported from fortran and to comply with original indexes we actually generate one index more. Also second dimension is 2*j+2 instead of 2*j+2. elements starting with 0 are useles and should be ignored!
@@ -44,8 +51,10 @@
 
 ts_bool sph_free(ts_spharm *sph){
     int i,j;
+    if(sph==NULL) return TS_FAIL;
     for(i=0;i<sph->l;i++){
         if(sph->ulm[i]!=NULL) free(sph->ulm[i]);
+        if(sph->sumUlm2[i]!=NULL) free(sph->sumUlm2[i]);
         if(sph->co[i]!=NULL) free(sph->co[i]);
     }
         if(sph->co[sph->l]!=NULL) free(sph->co[sph->l]);
@@ -183,7 +192,7 @@
 		K=-sqrt(1.0/(M_PI))*cos(m*fi);
 	}
 	
-	return K*sqrt((2.0*l+1.0)/2.0*fac1/fac2)*plgndr(l,abs(m),cos(theta));	
+	return K*sqrt((2.0*l+1.0)/2.0*(ts_double)(fac1/fac2))*plgndr(l,abs(m),cos(theta));	
 }
 
 
@@ -194,7 +203,7 @@
 #ifdef TS_DOUBLE_DOUBLE
     coord->e1=sqrt(x*x+y*y+z*z);
     if(z==0) coord->e3=M_PI/2.0;
-    else coord->e3=atan(sqrt(x*x+y*y)/z);
+    else coord->e3=atan2(sqrt(x*x+y*y),z);
     coord->e2=atan2(y,x);
 #endif
 #ifdef TS_DOUBLE_FLOAT
@@ -212,6 +221,23 @@
 
     return TS_SUCCESS;
 }
+
+
+ts_bool sph2cart(ts_coord *coord){
+    coord->coord_type=TS_COORD_CARTESIAN;
+    ts_double x,y,z;
+
+    x=coord->e1*cos(coord->e2)*sin(coord->e3);
+    y=coord->e1*sin(coord->e2)*sin(coord->e3);
+    z=coord->e1*cos(coord->e3);
+
+    coord->e1=x;
+    coord->e2=y;
+    coord->e3=z;
+
+    return TS_SUCCESS;
+}
+
 
 /* Function returns radius of the sphere with the same volume as vesicle (r0) */
 ts_double getR0(ts_vesicle *vesicle){
@@ -232,6 +258,7 @@
 ts_bool preparationSh(ts_vesicle *vesicle, ts_double r0){
 //TODO: before calling or during the call calculate area of each triangle! Can
 //be also done after vertexmove and bondflip //
+//DONE: in energy calculation! //
     ts_uint i,j;
     ts_vertex **vtx=vesicle->vlist->vtx;
     ts_vertex *cvtx;
@@ -336,7 +363,7 @@
     ts_uint i,j,k;
     ts_vertex *cvtx;
     for(i=0;i<vesicle->sphHarmonics->l;i++){
-        for(j=0;j<2*i;j++) vesicle->sphHarmonics->ulm[i][j]=0.0;
+        for(j=0;j<2*i+1;j++) vesicle->sphHarmonics->ulm[i][j]=0.0;
     }
 
 //TODO: call calculateYlmi !!!
@@ -354,3 +381,48 @@
 
     return TS_SUCCESS;
 }
+
+
+
+
+
+ts_bool storeUlm2(ts_vesicle *vesicle){
+
+ts_spharm *sph=vesicle->sphHarmonics;
+ts_int i,j;
+for(i=0;i<sph->l;i++){
+    for(j=0;j<2*i+1;j++){
+	/* DEBUG fprintf(stderr,"sph->sumUlm2[%d][%d]=%e\n",i,j,sph->ulm[i][j]* sph->ulm[i][j]); */
+        sph->sumUlm2[i][j]+=sph->ulm[i][j]* sph->ulm[i][j];
+    }
+}
+	sph->N++;
+return TS_SUCCESS;
+}
+
+
+ts_bool saveAvgUlm2(ts_vesicle *vesicle){
+
+	FILE *fh;
+    char filename[10000];
+    strcpy(filename, command_line_args.path);
+    strcat(filename, "sph2out.dat");
+	fh=fopen(filename, "w");
+	if(fh==NULL){
+		err("Cannot open file %s for writing");
+		return TS_FAIL;
+	}
+
+	ts_spharm *sph=vesicle->sphHarmonics;
+	ts_int i,j;
+	fprintf(fh,"l,\tm,\tulm^2avg\n");
+	for(i=0;i<sph->l;i++){
+    		for(j=0;j<2*i+1;j++){
+		fprintf(fh,"%d,\t%d,\t%e\n", i, j-i, sph->sumUlm2[i][j]/(ts_double)sph->N);
+
+    		}
+    fprintf(fh,"\n");
+	}
+	fclose(fh);
+	return TS_SUCCESS;
+}

--
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