88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/* ----------------------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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www.cs.sandia.gov/~sjplimp/lammps.html
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Steve Plimpton, sjplimp@sandia.gov, Sandia National Laboratories
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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------------------------------------------------------------------------- */
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#include "stdlib.h"
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#include "string.h"
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#include "region_block.h"
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#include "domain.h"
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#include "error.h"
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/* ---------------------------------------------------------------------- */
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RegBlock::RegBlock(int narg, char **arg) : Region(narg, arg)
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{
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options(narg-8,&arg[8]);
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if (strcmp(arg[2],"INF") == 0) {
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if (domain->box_exist == 0)
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error->all("Cannot use region INF when box does not exist");
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xlo = domain->boxxlo;
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} else xlo = xscale*atof(arg[2]);
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if (strcmp(arg[3],"INF") == 0) {
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if (domain->box_exist == 0)
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error->all("Cannot use region INF when box does not exist");
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xhi = domain->boxxhi;
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} else xhi = xscale*atof(arg[3]);
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if (strcmp(arg[4],"INF") == 0) {
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if (domain->box_exist == 0)
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error->all("Cannot use region INF when box does not exist");
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ylo = domain->boxylo;
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} else ylo = yscale*atof(arg[4]);
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if (strcmp(arg[5],"INF") == 0) {
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if (domain->box_exist == 0)
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error->all("Cannot use region INF when box does not exist");
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yhi = domain->boxyhi;
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} else yhi = yscale*atof(arg[5]);
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if (strcmp(arg[6],"INF") == 0) {
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if (domain->box_exist == 0)
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error->all("Cannot use region INF when box does not exist");
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zlo = domain->boxzlo;
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} else zlo = zscale*atof(arg[6]);
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if (strcmp(arg[7],"INF") == 0) {
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if (domain->box_exist == 0)
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error->all("Cannot use region INF when box does not exist");
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zhi = domain->boxzhi;
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} else zhi = zscale*atof(arg[7]);
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// error check
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if (xlo > xhi || ylo > yhi || zlo > zhi)
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error->all("Illegal region block command");
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// extent of block
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extent_xlo = xlo;
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extent_xhi = xhi;
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extent_ylo = ylo;
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extent_yhi = yhi;
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extent_zlo = zlo;
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extent_zhi = zhi;
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}
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/* ---------------------------------------------------------------------- */
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int RegBlock::match(double x, double y, double z)
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{
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int inside;
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if (x >= xlo && x <= xhi && y >= ylo && y <= yhi && z >= zlo && z <= zhi)
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inside = 1;
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else inside = 0;
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return !(inside ^ interior); // 1 if same, 0 if different
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}
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