From 383644169457b45c9c6bc047c469c8e1ca1d2562 Mon Sep 17 00:00:00 2001 From: Samo Penic <samo.penic@gmail.com> Date: Mon, 15 Feb 2016 15:17:46 +0000 Subject: [PATCH] Removed object file --- src/vertex.c | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-) diff --git a/src/vertex.c b/src/vertex.c index 38647aa..3ae9fd1 100644 --- a/src/vertex.c +++ b/src/vertex.c @@ -6,6 +6,14 @@ #include "bond.h" #include<stdio.h> +ts_bool vertex_list_assign_id(ts_vertex_list *vlist, ts_uint id){ + ts_uint i; + for(i=0;i<vlist->n;i++){ + vlist->vtx[i]->id = id; + } + return TS_SUCCESS; +} + ts_vertex_list *init_vertex_list(ts_uint N){ ts_int i; ts_vertex_list *vlist=(ts_vertex_list *)malloc(sizeof(ts_vertex_list)); @@ -191,6 +199,19 @@ return TS_SUCCESS; } +/** Calculates the triple product of vectors defined by vertices vtx1, vtx2 and vtx3, ($\mathrm{vtx}_1\cdot(\mathrm{vtx}_2\cross\mathrm{vtx}_3$): + * \begin{vmatrix} + * x_1 & y_1 & z_1 \\ + * x_2-x_1 & y_2-y_1 & z_2-z_1\\ + * x_3-x_1 & y_3-y_1 & z_3-z_1\\ + * \end{vmatrix} + * where the vertices coordinates are denoted by corresponding vertex index number. Function is used to determine the orientation of area formed by triangle formed by the three given vertices. + * + * @param vtx1 is first vertex, according to which the orientation is calculated + * @param vtx2 is the second vertex + * @param vtx3 is the third vertex + * @returns directionality of the area of the triangle formed by vertices vtx1, vtx2 and vtx3. It is positive if vtx1, vtx2 and vtx3 are oriented counter-clockwise. +*/ inline ts_double vtx_direct(ts_vertex *vtx1, ts_vertex *vtx2, ts_vertex *vtx3){ ts_double dX2=vtx2->x-vtx1->x; ts_double dY2=vtx2->y-vtx1->y; -- Gitblit v1.9.3