-/* -*- mode: c; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; c-file-style: "stroustrup"; -*-
- *
- * This source code is part of
- *
- * G R O M A C S
- *
- * GROningen MAchine for Chemical Simulations
- *
- * VERSION 4.5
- * Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
+/*
+ * This file is part of the GROMACS molecular simulation package.
+ *
* Copyright (c) 1991-2000, University of Groningen, The Netherlands.
- * Copyright (c) 2001-2008, The GROMACS development team,
- * check out http://www.gromacs.org for more information.
-
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
+ * Copyright (c) 2001-2008, The GROMACS development team.
+ * Copyright (c) 2013,2014, by the GROMACS development team, led by
+ * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+ * and including many others, as listed in the AUTHORS file in the
+ * top-level source directory and at http://www.gromacs.org.
+ *
+ * GROMACS is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
- *
- * If you want to redistribute modifications, please consider that
- * scientific software is very special. Version control is crucial -
- * bugs must be traceable. We will be happy to consider code for
- * inclusion in the official distribution, but derived work must not
- * be called official GROMACS. Details are found in the README & COPYING
- * files - if they are missing, get the official version at www.gromacs.org.
- *
+ *
+ * GROMACS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with GROMACS; if not, see
+ * http://www.gnu.org/licenses, or write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * If you want to redistribute modifications to GROMACS, please
+ * consider that scientific software is very special. Version
+ * control is crucial - bugs must be traceable. We will be happy to
+ * consider code for inclusion in the official distribution, but
+ * derived work must not be called official GROMACS. Details are found
+ * in the README & COPYING files - if they are missing, get the
+ * official version at http://www.gromacs.org.
+ *
* To help us fund GROMACS development, we humbly ask that you cite
- * the papers on the package - you can find them in the top README file.
- *
- * For more info, check our website at http://www.gromacs.org
- *
- * And Hey:
- * Groningen Machine for Chemical Simulation
+ * the research papers on the package. Check out http://www.gromacs.org.
*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "gmxpre.h"
#include <math.h>
-#include "sysstuff.h"
-#include "typedefs.h"
-#include "macros.h"
-#include "smalloc.h"
-#include "physics.h"
-#include "macros.h"
-#include "vec.h"
-#include "force.h"
-#include "invblock.h"
-#include "confio.h"
-#include "names.h"
-#include "network.h"
-#include "pbc.h"
-#include "ns.h"
-#include "nrnb.h"
-#include "bondf.h"
-#include "mshift.h"
-#include "txtdump.h"
-#include "copyrite.h"
-#include "qmmm.h"
#include <stdio.h>
-#include <string.h>
-#include "gmx_fatal.h"
-#include "typedefs.h"
#include <stdlib.h>
+#include <string.h>
+
+#include "gromacs/fileio/confio.h"
+#include "gromacs/legacyheaders/force.h"
+#include "gromacs/legacyheaders/macros.h"
+#include "gromacs/legacyheaders/names.h"
+#include "gromacs/legacyheaders/network.h"
+#include "gromacs/legacyheaders/nrnb.h"
+#include "gromacs/legacyheaders/ns.h"
+#include "gromacs/legacyheaders/qmmm.h"
+#include "gromacs/legacyheaders/txtdump.h"
+#include "gromacs/legacyheaders/typedefs.h"
+#include "gromacs/math/units.h"
+#include "gromacs/math/vec.h"
+#include "gromacs/utility/fatalerror.h"
+#include "gromacs/utility/smalloc.h"
/* ORCA interface routines */
-void init_orca(t_commrec *cr, t_QMrec *qm, t_MMrec *mm)
+void init_orca(t_QMrec *qm)
{
- char
- *buf;
- snew(buf,200);
- /* ORCA settings on the system */
- buf = getenv("BASENAME");
- if (buf){
- snew(qm->orca_basename,200);
- sscanf(buf,"%s",qm->orca_basename);
- }
- else
- gmx_fatal(FARGS,"no $BASENAME\n");
-
- /* ORCA directory on the system */
- snew(buf,200);
- buf = getenv("ORCA_PATH");
- fprintf(stderr,"%s",buf);
-
- if (buf){
- snew(qm->orca_dir,200);
- sscanf(buf,"%s",qm->orca_dir);
- }
- else
- gmx_fatal(FARGS,"no $ORCA_PATH, check manual\n");
-
- fprintf(stderr,"%s...\n",qm->orca_dir);
- fprintf(stderr,"orca initialised...\n");
- /* since we append the output to the BASENAME.out file,
- we should delete an existent old out-file here. */
- sprintf(buf,"%s.out",qm->orca_basename);
- remove(buf);
-}
-
-
-void write_orca_input(int step ,t_forcerec *fr, t_QMrec *qm, t_MMrec *mm)
+ char *buf;
+ snew(buf, 200);
+
+ /* ORCA settings on the system */
+ buf = getenv("GMX_QM_ORCA_BASENAME");
+ if (buf)
+ {
+ snew(qm->orca_basename, 200);
+ sscanf(buf, "%s", qm->orca_basename);
+ }
+ else
+ {
+ gmx_fatal(FARGS, "$GMX_QM_ORCA_BASENAME is not set\n");
+ }
+
+ /* ORCA directory on the system */
+ snew(buf, 200);
+ buf = getenv("GMX_ORCA_PATH");
+
+ if (buf)
+ {
+ snew(qm->orca_dir, 200);
+ sscanf(buf, "%s", qm->orca_dir);
+ }
+ else
+ {
+ gmx_fatal(FARGS, "$GMX_ORCA_PATH not set, check manual\n");
+ }
+
+ fprintf(stderr, "Setting ORCA path to: %s...\n", qm->orca_dir);
+ fprintf(stderr, "ORCA initialised...\n\n");
+ /* since we append the output to the BASENAME.out file,
+ we should delete an existent old out-file here. */
+ sprintf(buf, "%s.out", qm->orca_basename);
+ remove(buf);
+}
+
+
+void write_orca_input(t_forcerec *fr, t_QMrec *qm, t_MMrec *mm)
{
- int
- i;
- t_QMMMrec
- *QMMMrec;
- FILE
- *out, *pcFile, *addInputFile, *LJCoeff;
- char
- *buf,*orcaInput,*addInputFilename,*LJCoeffFilename,
- *pcFilename,*exclInName,*exclOutName;
- QMMMrec = fr->qr;
- /* write the first part of the input-file */
- snew(orcaInput,200);
- sprintf(orcaInput,"%s.inp",qm->orca_basename);
- out = fopen(orcaInput,"w");
- snew(addInputFilename,200);
- sprintf(addInputFilename,"%s.ORCAINFO",qm->orca_basename);
- addInputFile = fopen(addInputFilename,"r");
- fprintf(out, "#input-file generated by gromacs\n");
- if(qm->bTS){
- fprintf(out,"!QMMMOpt TightSCF\n");
- fprintf(out,"%s\n","%geom TS_Search EF end");
- }
- else if (qm->bOPT){
- fprintf(out,"!QMMMOpt TightSCF\n");
- }
- else{
- fprintf(out,"!EnGrad TightSCF\n");
- }
- /* here we include the insertion of the additional orca-input */
- snew(buf,200);
- if (addInputFile!=NULL) {
- while (!feof(addInputFile)) {
- if (fgets(buf, 200, addInputFile) != NULL)
- fputs(buf, out);
- }
- }
- else {
- fprintf(stderr,"No information on the calculation given in <%s>\n",addInputFilename);
- gmx_call("qm_orca.c");
- }
- fclose(addInputFile);
- if(qm->bTS||qm->bOPT){
- /* freeze the frontier QM atoms and Link atoms. This is
- * important only if a full QM subsystem optimization is done
- * with a frozen MM environmeent. For dynamics, or gromacs's own
- * optimization routines this is not important.
- */
- /* ORCA reads the exclusions from LJCoeffFilename.Excl,
- *so we have to rename the file
- */
- int didStart = 0;
- for(i=0;i<qm->nrQMatoms;i++){
- if(qm->frontatoms[i]){
- if (!didStart){
- fprintf(out,"%s\n","%geom");
- fprintf(out," Constraints \n");
- didStart = 1;
- }
- fprintf(out," {C %d C}\n",i); /* counting from 0 */
- }
- }
- if (didStart) fprintf(out," end\n end\n");
- /* make a file with information on the C6 and C12 coefficients */
- if(QMMMrec->QMMMscheme!=eQMMMschemeoniom && mm->nrMMatoms){
- snew(exclInName,200);
- snew(exclOutName,200);
- sprintf(exclInName,"QMMMexcl.dat");
- sprintf(exclOutName,"%s.LJ.Excl",qm->orca_basename);
- rename(exclInName,exclOutName);
- snew(LJCoeffFilename,200);
- sprintf(LJCoeffFilename,"%s.LJ",qm->orca_basename);
- fprintf(out,"%s%s%s\n","%LJCOEFFICIENTS \"",LJCoeffFilename,"\"");
- /* make a file with information on the C6 and C12 coefficients */
- LJCoeff = fopen(LJCoeffFilename,"w");
- fprintf(LJCoeff,"%d\n",qm->nrQMatoms);
- for (i=0;i<qm->nrQMatoms;i++){
+ int i;
+ t_QMMMrec *QMMMrec;
+ FILE *out, *pcFile, *addInputFile, *LJCoeff;
+ char *buf, *orcaInput, *addInputFilename, *LJCoeffFilename, *pcFilename, *exclInName, *exclOutName;
+
+ QMMMrec = fr->qr;
+
+ /* write the first part of the input-file */
+ snew(orcaInput, 200);
+ sprintf(orcaInput, "%s.inp", qm->orca_basename);
+ out = fopen(orcaInput, "w");
+
+ snew(addInputFilename, 200);
+ sprintf(addInputFilename, "%s.ORCAINFO", qm->orca_basename);
+ addInputFile = fopen(addInputFilename, "r");
+
+ fprintf(out, "#input-file generated by GROMACS\n");
+
+ if (qm->bTS)
+ {
+ fprintf(out, "!QMMMOpt TightSCF\n");
+ fprintf(out, "%s\n", "%geom TS_Search EF end");
+ }
+ else if (qm->bOPT)
+ {
+ fprintf(out, "!QMMMOpt TightSCF\n");
+ }
+ else
+ {
+ fprintf(out, "!EnGrad TightSCF\n");
+ }
+
+ /* here we include the insertion of the additional orca-input */
+ snew(buf, 200);
+ if (addInputFile != NULL)
+ {
+ while (!feof(addInputFile))
+ {
+ if (fgets(buf, 200, addInputFile) != NULL)
+ {
+ fputs(buf, out);
+ }
+ }
+ }
+ else
+ {
+ gmx_fatal(FARGS, "No information on the calculation given in %s\n", addInputFilename);
+ }
+
+ fclose(addInputFile);
+
+ if (qm->bTS || qm->bOPT)
+ {
+ /* freeze the frontier QM atoms and Link atoms. This is
+ * important only if a full QM subsystem optimization is done
+ * with a frozen MM environmeent. For dynamics, or gromacs's own
+ * optimization routines this is not important.
+ */
+ /* ORCA reads the exclusions from LJCoeffFilename.Excl,
+ * so we have to rename the file
+ */
+ int didStart = 0;
+ for (i = 0; i < qm->nrQMatoms; i++)
+ {
+ if (qm->frontatoms[i])
+ {
+ if (!didStart)
+ {
+ fprintf(out, "%s\n", "%geom");
+ fprintf(out, " Constraints \n");
+ didStart = 1;
+ }
+ fprintf(out, " {C %d C}\n", i); /* counting from 0 */
+ }
+ }
+ if (didStart)
+ {
+ fprintf(out, " end\n end\n");
+ }
+ /* make a file with information on the C6 and C12 coefficients */
+ if (QMMMrec->QMMMscheme != eQMMMschemeoniom && mm->nrMMatoms)
+ {
+ snew(exclInName, 200);
+ snew(exclOutName, 200);
+ sprintf(exclInName, "QMMMexcl.dat");
+ sprintf(exclOutName, "%s.LJ.Excl", qm->orca_basename);
+ rename(exclInName, exclOutName);
+ snew(LJCoeffFilename, 200);
+ sprintf(LJCoeffFilename, "%s.LJ", qm->orca_basename);
+ fprintf(out, "%s%s%s\n", "%LJCOEFFICIENTS \"", LJCoeffFilename, "\"");
+ /* make a file with information on the C6 and C12 coefficients */
+ LJCoeff = fopen(LJCoeffFilename, "w");
+ fprintf(LJCoeff, "%d\n", qm->nrQMatoms);
+ for (i = 0; i < qm->nrQMatoms; i++)
+ {
#ifdef GMX_DOUBLE
- fprintf(LJCoeff,"%10.7lf %10.7lf\n",qm->c6[i],qm->c12[i]);
+ fprintf(LJCoeff, "%10.7lf %10.7lf\n", qm->c6[i], qm->c12[i]);
#else
- fprintf(LJCoeff,"%10.7f %10.7f\n",qm->c6[i],qm->c12[i]);
+ fprintf(LJCoeff, "%10.7f %10.7f\n", qm->c6[i], qm->c12[i]);
#endif
- }
- fprintf(LJCoeff,"%d\n",mm->nrMMatoms);
- for (i=0;i<mm->nrMMatoms;i++){
+ }
+ fprintf(LJCoeff, "%d\n", mm->nrMMatoms);
+ for (i = 0; i < mm->nrMMatoms; i++)
+ {
#ifdef GMX_DOUBLE
- fprintf(LJCoeff,"%10.7lf %10.7lf\n",mm->c6[i],mm->c12[i]);
+ fprintf(LJCoeff, "%10.7lf %10.7lf\n", mm->c6[i], mm->c12[i]);
#else
- fprintf(LJCoeff,"%10.7f %10.7f\n",mm->c6[i],mm->c12[i]);
+ fprintf(LJCoeff, "%10.7f %10.7f\n", mm->c6[i], mm->c12[i]);
#endif
- }
- fclose(LJCoeff);
- }
- }
- /* write charge and multiplicity
- */
- fprintf(out,"*xyz %2d%2d\n",qm->QMcharge,qm->multiplicity);
- /* write the QM coordinates
- */
- for (i=0;i<qm->nrQMatoms;i++){
- int atomNr;
- if (qm->atomicnumberQM[i]==0)
- atomNr = 1;
- else
- atomNr = qm->atomicnumberQM[i];
+ }
+ fclose(LJCoeff);
+ }
+ }
+
+ /* write charge and multiplicity */
+ fprintf(out, "*xyz %2d%2d\n", qm->QMcharge, qm->multiplicity);
+
+ /* write the QM coordinates */
+ for (i = 0; i < qm->nrQMatoms; i++)
+ {
+ int atomNr;
+ if (qm->atomicnumberQM[i] == 0)
+ {
+ atomNr = 1;
+ }
+ else
+ {
+ atomNr = qm->atomicnumberQM[i];
+ }
#ifdef GMX_DOUBLE
- fprintf(out,"%3d %10.7lf %10.7lf %10.7lf\n",
- atomNr,
- qm->xQM[i][XX]/0.1,
- qm->xQM[i][YY]/0.1,
- qm->xQM[i][ZZ]/0.1);
+ fprintf(out, "%3d %10.7lf %10.7lf %10.7lf\n",
+ atomNr,
+ qm->xQM[i][XX]/0.1,
+ qm->xQM[i][YY]/0.1,
+ qm->xQM[i][ZZ]/0.1);
#else
- fprintf(out,"%3d %10.7f %10.7f %10.7f\n",
- atomNr,
- qm->xQM[i][XX]/0.1,
- qm->xQM[i][YY]/0.1,
- qm->xQM[i][ZZ]/0.1);
+ fprintf(out, "%3d %10.7f %10.7f %10.7f\n",
+ atomNr,
+ qm->xQM[i][XX]/0.1,
+ qm->xQM[i][YY]/0.1,
+ qm->xQM[i][ZZ]/0.1);
#endif
- }
- fprintf(out,"*\n");
- /* write the MM point charge data
- */
- if(QMMMrec->QMMMscheme!=eQMMMschemeoniom && mm->nrMMatoms){
- /* name of the point charge file */
- snew(pcFilename,200);
- sprintf(pcFilename,"%s.pc",qm->orca_basename);
- fprintf(out,"%s%s%s\n","%pointcharges \"",pcFilename,"\"");
- pcFile = fopen(pcFilename,"w");
- fprintf(pcFile,"%d\n",mm->nrMMatoms);
- for(i=0;i<mm->nrMMatoms;i++){
+ }
+ fprintf(out, "*\n");
+
+ /* write the MM point charge data */
+ if (QMMMrec->QMMMscheme != eQMMMschemeoniom && mm->nrMMatoms)
+ {
+ /* name of the point charge file */
+ snew(pcFilename, 200);
+ sprintf(pcFilename, "%s.pc", qm->orca_basename);
+ fprintf(out, "%s%s%s\n", "%pointcharges \"", pcFilename, "\"");
+ pcFile = fopen(pcFilename, "w");
+ fprintf(pcFile, "%d\n", mm->nrMMatoms);
+ for (i = 0; i < mm->nrMMatoms; i++)
+ {
#ifdef GMX_DOUBLE
- fprintf(pcFile,"%8.4lf %10.7lf %10.7lf %10.7lf\n",
- mm->MMcharges[i],
- mm->xMM[i][XX]/0.1,
- mm->xMM[i][YY]/0.1,
- mm->xMM[i][ZZ]/0.1);
+ fprintf(pcFile, "%8.4lf %10.7lf %10.7lf %10.7lf\n",
+ mm->MMcharges[i],
+ mm->xMM[i][XX]/0.1,
+ mm->xMM[i][YY]/0.1,
+ mm->xMM[i][ZZ]/0.1);
#else
- fprintf(pcFile,"%8.4f %10.7f %10.7f %10.7f\n",
- mm->MMcharges[i],
- mm->xMM[i][XX]/0.1,
- mm->xMM[i][YY]/0.1,
- mm->xMM[i][ZZ]/0.1);
+ fprintf(pcFile, "%8.4f %10.7f %10.7f %10.7f\n",
+ mm->MMcharges[i],
+ mm->xMM[i][XX]/0.1,
+ mm->xMM[i][YY]/0.1,
+ mm->xMM[i][ZZ]/0.1);
#endif
- }
- fprintf(pcFile,"\n");
- fclose(pcFile);
- }
- fprintf(out,"\n");
+ }
+ fprintf(pcFile, "\n");
+ fclose(pcFile);
+ }
+ fprintf(out, "\n");
- fclose(out);
+ fclose(out);
} /* write_orca_input */
-real read_orca_output(rvec QMgrad[],rvec MMgrad[],int step,t_forcerec *fr,
- t_QMrec *qm, t_MMrec *mm)
+real read_orca_output(rvec QMgrad[], rvec MMgrad[], t_forcerec *fr,
+ t_QMrec *qm, t_MMrec *mm)
{
- int
- i,j,atnum;
- char
- buf[300], tmp[300], orca_xyzFilename[300], orca_pcgradFilename[300], orca_engradFilename[300];
- real
- QMener;
- FILE
- *xyz, *pcgrad, *engrad;
- int k;
- t_QMMMrec
- *QMMMrec;
- QMMMrec = fr->qr;
- /* in case of an optimization, the coordinates are printed in the
- * xyz file, the energy and gradients for the QM part are stored in the engrad file
- * and the gradients for the point charges are stored in the pc file.
- */
-
- /* we need the new xyz coordinates of the QM atoms only for separate QM-optimization
- */
-
- if(qm->bTS||qm->bOPT){
- sprintf(orca_xyzFilename,"%s.xyz",qm->orca_basename);
- xyz=fopen(orca_xyzFilename,"r");
- if (fgets(buf,300,xyz) == NULL)
- gmx_fatal(FARGS, "Unexpected end of ORCA output");
- if (fgets(buf,300,xyz) == NULL)
- gmx_fatal(FARGS, "Unexpected end of ORCA output");
- for(i=0;i<qm->nrQMatoms;i++){
- if (fgets(buf,300,xyz) == NULL)
- gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ int
+ i, j, atnum;
+ char
+ buf[300], tmp[300], orca_xyzFilename[300], orca_pcgradFilename[300], orca_engradFilename[300];
+ real
+ QMener;
+ FILE
+ *xyz, *pcgrad, *engrad;
+ int k;
+ t_QMMMrec
+ *QMMMrec;
+ QMMMrec = fr->qr;
+ /* in case of an optimization, the coordinates are printed in the
+ * xyz file, the energy and gradients for the QM part are stored in the engrad file
+ * and the gradients for the point charges are stored in the pc file.
+ */
+
+ /* we need the new xyz coordinates of the QM atoms only for separate QM-optimization
+ */
+
+ if (qm->bTS || qm->bOPT)
+ {
+ sprintf(orca_xyzFilename, "%s.xyz", qm->orca_basename);
+ xyz = fopen(orca_xyzFilename, "r");
+ if (fgets(buf, 300, xyz) == NULL)
+ {
+ gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
+ if (fgets(buf, 300, xyz) == NULL)
+ {
+ gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
+ for (i = 0; i < qm->nrQMatoms; i++)
+ {
+ if (fgets(buf, 300, xyz) == NULL)
+ {
+ gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
#ifdef GMX_DOUBLE
- sscanf(buf,"%s%lf%lf%lf\n",
- tmp,
- &qm->xQM[i][XX],
- &qm->xQM[i][YY],
- &qm->xQM[i][ZZ]);
+ sscanf(buf, "%s%lf%lf%lf\n",
+ tmp,
+ &qm->xQM[i][XX],
+ &qm->xQM[i][YY],
+ &qm->xQM[i][ZZ]);
#else
- sscanf(buf,"%d%f%f%f\n",
- &atnum,
- &qm->xQM[i][XX],
- &qm->xQM[i][YY],
- &qm->xQM[i][ZZ]);
+ sscanf(buf, "%d%f%f%f\n",
+ &atnum,
+ &qm->xQM[i][XX],
+ &qm->xQM[i][YY],
+ &qm->xQM[i][ZZ]);
#endif
- for(j=0;j<DIM;j++){
- qm->xQM[i][j]*=0.1;
- }
- }
- fclose(xyz);
- }
- sprintf(orca_engradFilename,"%s.engrad",qm->orca_basename);
- engrad=fopen(orca_engradFilename,"r");
- /* we read the energy and the gradient for the qm-atoms from the engrad file
- */
- /* we can skip the first seven lines
- */
- for (j=0;j<7;j++){
- if (fgets(buf,300,engrad) == NULL)
- gmx_fatal(FARGS, "Unexpected end of ORCA output");
- }
- /* now comes the energy
- */
- if (fgets(buf,300,engrad) == NULL)
- gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ for (j = 0; j < DIM; j++)
+ {
+ qm->xQM[i][j] *= 0.1;
+ }
+ }
+ fclose(xyz);
+ }
+ sprintf(orca_engradFilename, "%s.engrad", qm->orca_basename);
+ engrad = fopen(orca_engradFilename, "r");
+ /* we read the energy and the gradient for the qm-atoms from the engrad file
+ */
+ /* we can skip the first seven lines
+ */
+ for (j = 0; j < 7; j++)
+ {
+ if (fgets(buf, 300, engrad) == NULL)
+ {
+ gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
+ }
+ /* now comes the energy
+ */
+ if (fgets(buf, 300, engrad) == NULL)
+ {
+ gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
#ifdef GMX_DOUBLE
- sscanf(buf,"%lf\n",&QMener);
+ sscanf(buf, "%lf\n", &QMener);
#else
- sscanf(buf,"%f\n", &QMener);
+ sscanf(buf, "%f\n", &QMener);
#endif
- /* we can skip the next three lines
- */
- for (j=0;j<3;j++){
- if (fgets(buf,300,engrad) == NULL)
- gmx_fatal(FARGS, "Unexpected end of ORCA output");
- }
- /* next lines contain the gradients of the QM atoms
- * now comes the gradient, one value per line:
- * (atom1 x \n atom1 y \n atom1 z \n atom2 x ...
- */
-
- for(i=0;i<3*qm->nrQMatoms;i++){
- k = i/3;
- if (fgets(buf,300,engrad) == NULL)
- gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ /* we can skip the next three lines
+ */
+ for (j = 0; j < 3; j++)
+ {
+ if (fgets(buf, 300, engrad) == NULL)
+ {
+ gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
+ }
+ /* next lines contain the gradients of the QM atoms
+ * now comes the gradient, one value per line:
+ * (atom1 x \n atom1 y \n atom1 z \n atom2 x ...
+ */
+
+ for (i = 0; i < 3*qm->nrQMatoms; i++)
+ {
+ k = i/3;
+ if (fgets(buf, 300, engrad) == NULL)
+ {
+ gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
#ifdef GMX_DOUBLE
- if (i%3==0)
- sscanf(buf,"%lf\n", &QMgrad[k][XX]);
- else if (i%3==1)
- sscanf(buf,"%lf\n", &QMgrad[k][YY]);
- else if (i%3==2)
- sscanf(buf,"%lf\n", &QMgrad[k][ZZ]);
+ if (i%3 == 0)
+ {
+ sscanf(buf, "%lf\n", &QMgrad[k][XX]);
+ }
+ else if (i%3 == 1)
+ {
+ sscanf(buf, "%lf\n", &QMgrad[k][YY]);
+ }
+ else if (i%3 == 2)
+ {
+ sscanf(buf, "%lf\n", &QMgrad[k][ZZ]);
+ }
#else
- if (i%3==0)
- sscanf(buf,"%f\n", &QMgrad[k][XX]);
- else if (i%3==1)
- sscanf(buf,"%f\n", &QMgrad[k][YY]);
- else if (i%3==2)
- sscanf(buf,"%f\n", &QMgrad[k][ZZ]);
+ if (i%3 == 0)
+ {
+ sscanf(buf, "%f\n", &QMgrad[k][XX]);
+ }
+ else if (i%3 == 1)
+ {
+ sscanf(buf, "%f\n", &QMgrad[k][YY]);
+ }
+ else if (i%3 == 2)
+ {
+ sscanf(buf, "%f\n", &QMgrad[k][ZZ]);
+ }
#endif
- }
- fclose(engrad);
- /* write the MM point charge data
- */
- if(QMMMrec->QMMMscheme!=eQMMMschemeoniom && mm->nrMMatoms){
- sprintf(orca_pcgradFilename,"%s.pcgrad",qm->orca_basename);
- pcgrad=fopen(orca_pcgradFilename,"r");
-
- /* we read the gradient for the mm-atoms from the pcgrad file
- */
- /* we can skip the first line
- */
- if (fgets(buf,300,pcgrad) == NULL)
- gmx_fatal(FARGS, "Unexpected end of ORCA output");
- for(i=0;i<mm->nrMMatoms;i++){
- if (fgets(buf,300,pcgrad) == NULL)
- gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
+ fclose(engrad);
+ /* write the MM point charge data
+ */
+ if (QMMMrec->QMMMscheme != eQMMMschemeoniom && mm->nrMMatoms)
+ {
+ sprintf(orca_pcgradFilename, "%s.pcgrad", qm->orca_basename);
+ pcgrad = fopen(orca_pcgradFilename, "r");
+
+ /* we read the gradient for the mm-atoms from the pcgrad file
+ */
+ /* we can skip the first line
+ */
+ if (fgets(buf, 300, pcgrad) == NULL)
+ {
+ gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
+ for (i = 0; i < mm->nrMMatoms; i++)
+ {
+ if (fgets(buf, 300, pcgrad) == NULL)
+ {
+ gmx_fatal(FARGS, "Unexpected end of ORCA output");
+ }
#ifdef GMX_DOUBLE
- sscanf(buf,"%lf%lf%lf\n",
- &MMgrad[i][XX],
- &MMgrad[i][YY],
- &MMgrad[i][ZZ]);
+ sscanf(buf, "%lf%lf%lf\n",
+ &MMgrad[i][XX],
+ &MMgrad[i][YY],
+ &MMgrad[i][ZZ]);
#else
- sscanf(buf,"%f%f%f\n",
- &MMgrad[i][XX],
- &MMgrad[i][YY],
- &MMgrad[i][ZZ]);
- #endif
- }
- fclose(pcgrad);
- }
- return(QMener);
+ sscanf(buf, "%f%f%f\n",
+ &MMgrad[i][XX],
+ &MMgrad[i][YY],
+ &MMgrad[i][ZZ]);
+ #endif
+ }
+ fclose(pcgrad);
+ }
+ return(QMener);
}
-void do_orca(int step,char *exe, char *orca_dir, char *basename)
+void do_orca(char *orca_dir, char *basename)
{
- /* make the call to the orca binary through system()
- * The location of the binary is set through the
- * environment.
- */
- char
- buf[100];
- sprintf(buf,"%s/%s %s.inp >> %s.out",
- orca_dir,
- "orca",
- basename,
- basename);
- fprintf(stderr,"Calling '%s'\n",buf);
- if ( system(buf) != 0 )
- gmx_fatal(FARGS,"Call to '%s' failed\n",buf);
+ /* make the call to the orca binary through system()
+ * The location of the binary is set through the
+ * environment.
+ */
+ char
+ buf[100];
+ sprintf(buf, "%s/%s %s.inp >> %s.out",
+ orca_dir,
+ "orca",
+ basename,
+ basename);
+ fprintf(stderr, "Calling '%s'\n", buf);
+ if (system(buf) != 0)
+ {
+ gmx_fatal(FARGS, "Call to '%s' failed\n", buf);
+ }
}
-real call_orca(t_commrec *cr, t_forcerec *fr,
- t_QMrec *qm, t_MMrec *mm, rvec f[], rvec fshift[])
+real call_orca(t_forcerec *fr,
+ t_QMrec *qm, t_MMrec *mm, rvec f[], rvec fshift[])
{
- /* normal orca jobs */
- static int
- step=0;
- int
- i,j;
- real
- QMener=0.0;
- rvec
- *QMgrad,*MMgrad;
- char
- *exe;
-
- snew(exe,30);
- sprintf(exe,"%s","orca");
- snew(QMgrad,qm->nrQMatoms);
- snew(MMgrad,mm->nrMMatoms);
-
- write_orca_input(step,fr,qm,mm);
- do_orca(step,exe,qm->orca_dir,qm->orca_basename);
- QMener = read_orca_output(QMgrad,MMgrad,step,fr,qm,mm);
- /* put the QMMM forces in the force array and to the fshift
- */
- for(i=0;i<qm->nrQMatoms;i++){
- for(j=0;j<DIM;j++){
- f[i][j] = HARTREE_BOHR2MD*QMgrad[i][j];
- fshift[i][j] = HARTREE_BOHR2MD*QMgrad[i][j];
- }
- }
- for(i=0;i<mm->nrMMatoms;i++){
- for(j=0;j<DIM;j++){
- f[i+qm->nrQMatoms][j] = HARTREE_BOHR2MD*MMgrad[i][j];
- fshift[i+qm->nrQMatoms][j] = HARTREE_BOHR2MD*MMgrad[i][j];
- }
- }
- QMener = QMener*HARTREE2KJ*AVOGADRO;
- step++;
- free(exe);
- return(QMener);
+ /* normal orca jobs */
+ static int
+ step = 0;
+ int
+ i, j;
+ real
+ QMener;
+ rvec
+ *QMgrad, *MMgrad;
+ char
+ *exe;
+
+ snew(exe, 30);
+ sprintf(exe, "%s", "orca");
+ snew(QMgrad, qm->nrQMatoms);
+ snew(MMgrad, mm->nrMMatoms);
+
+ write_orca_input(fr, qm, mm);
+ do_orca(qm->orca_dir, qm->orca_basename);
+ QMener = read_orca_output(QMgrad, MMgrad, fr, qm, mm);
+ /* put the QMMM forces in the force array and to the fshift
+ */
+ for (i = 0; i < qm->nrQMatoms; i++)
+ {
+ for (j = 0; j < DIM; j++)
+ {
+ f[i][j] = HARTREE_BOHR2MD*QMgrad[i][j];
+ fshift[i][j] = HARTREE_BOHR2MD*QMgrad[i][j];
+ }
+ }
+ for (i = 0; i < mm->nrMMatoms; i++)
+ {
+ for (j = 0; j < DIM; j++)
+ {
+ f[i+qm->nrQMatoms][j] = HARTREE_BOHR2MD*MMgrad[i][j];
+ fshift[i+qm->nrQMatoms][j] = HARTREE_BOHR2MD*MMgrad[i][j];
+ }
+ }
+ QMener = QMener*HARTREE2KJ*AVOGADRO;
+ step++;
+ free(exe);
+ return(QMener);
} /* call_orca */
/* end of orca sub routines */