#include<stdlib.h>
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#include<math.h>
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#include<string.h>
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#include "general.h"
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#include "vertex.h"
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#include<stdio.h>
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/* Argument je struktura vlist in stevilo vertexov, ki jih zelimo dati v
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* vlist je lahko NULL, N mora biti vecje od 0. Ce vlist obstaja, potem resizamo
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* vlist na stevilo N.
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*/
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ts_vertex **init_vertex_list(ts_uint N){
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ts_int i;
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ts_vertex **vlist;
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if(N==0){
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err("Initialized vertex list with zero elements. Pointer set to NULL");
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vlist=NULL;
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return NULL;
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}
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vlist=(ts_vertex **)malloc(N*sizeof(ts_vertex *));
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if(vlist==NULL)
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fatal("Fatal error reserving memory space for vertex list! Could number of requsted vertices be too large?", 100);
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for(i=0;i<N;i++){
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vlist[i]=init_vertex(i);
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}
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return vlist;
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}
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ts_vertex *init_vertex(ts_uint idx){
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ts_vertex *vtx;
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vtx=(ts_vertex *)malloc(sizeof(ts_vertex));
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if(vtx==NULL)
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fatal("Fatal error reserving memory space for ts_vertex! Memory full?", 100);
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vtx->idx=idx;
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return vtx;
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}
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/*
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ts_bool vtx_set_global_values(ts_vertex **vlist, ts_vesicle *vesicle){
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ts_double xk=vesicle->bending_rigidity;
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ts_uint i;
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for(i=0;i<vesicle->vlist.n;i++){
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vlist[i]->xk=xk;
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}
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return TS_SUCCESS;
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}
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*/
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ts_bool vtx_add_neighbour(ts_vertex **vtx, ts_vertex **nvtx){
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ts_uint i;
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/* no neighbour can be null! */
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if(vtx==NULL || nvtx==NULL) return TS_FAIL;
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/*if it is already a neighbour don't add it to the list */
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for(i=0; i<(*vtx)->neigh_no;i++){
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if((*vtx)->neigh[i]==nvtx) return TS_FAIL;
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}
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ts_uint nn=(*vtx)->neigh_no++;
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(*vtx)->neigh=(ts_vertex ***)realloc((*vtx)->neigh, nn*sizeof(ts_vertex **));
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(*vtx)->neigh[nn]=nvtx;
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/* pa se sosedu dodamo vertex */
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/*if it is already a neighbour don't add it to the list */
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for(i=0; i<(*nvtx)->neigh_no;i++){
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if((*nvtx)->neigh[i]==vtx) return TS_FAIL;
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}
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nn=(*nvtx)->neigh_no++;
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(*nvtx)->neigh=(ts_vertex ***)realloc((*nvtx)->neigh, nn*sizeof(ts_vertex **));
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(*nvtx)->neigh[nn]=vtx;
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/* Ustvari bond in doloci dolzino */
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return TS_SUCCESS;
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}
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ts_bool vtx_free(ts_vertex **vtx){
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if((*vtx)->neigh!=NULL) free((*vtx)->neigh);
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if((*vtx)->tristar!=NULL) free((*vtx)->tristar);
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if((*vtx)->bond!=NULL) free((*vtx)->bond);
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if((*vtx)->cell!=NULL) free((*vtx)->cell);
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free(*vtx);
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return TS_SUCCESS;
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}
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inline ts_double vertex_distance_sq(ts_vertex **vtx1, ts_vertex **vtx2){
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ts_double dist;
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#ifdef TS_DOUBLE_DOUBLE
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dist=pow((*vtx1)->x-(*vtx2)->x,2) + pow((*vtx1)->y-(*vtx2)->y,2) + pow((*vtx1)->z-(*vtx2)->z,2);
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#endif
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#ifdef TS_DOUBLE_LONGDOUBLE
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dist=powl((*vtx1)->x-(*vtx2)->x,2) + powl((*vtx1)->y-(*vtx2)->y,2) + powl((*vtx1)->z-(*vtx2)->z,2);
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#endif
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#ifdef TS_DOUBLE_FLOAT
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dist=powf((*vtx1)->x-(*vtx2)->x,2) + powf((*vtx1)->y-(*vtx2)->y,2) + powf((*vtx1)->z-(*vtx2)->z,2);
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#endif
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return(dist);
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}
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