/* \fcnfh
Set geometry variables
@returns 0 on success
*/
int
setgeom(struct geometry *sg, /* geometry structure */
double time, /* time for which to set planet
position, use HUGE_VAL for use the
default value stored in the geometry
structure */
long *flags) /* Progress indicator flag */
{
transitcheckcalled(*flags,"setgeom",1,
"setgeomhint",TRPI_GEOMETRYHINT
);
/* TD: include argument of pericenter and longitud of the node in the
computations, right now both values are used as zero. */
//Auxiliary variables in cgs
double smaxis=sg->smaxis*sg->smaxisfct;
double ecc=sg->ecc*sg->eccfct;
double incl=sg->incl*sg->inclfct;
// double aper=sg->aper*sg->aperfct;
// double lnode=sg->lnode*sg->lnodefct;
double t=(time<HUGE_VAL?time:sg->time)*sg->timefct;
double mass=sg->starmass*sg->starmassfct;
//set mean angular velocity, mean true anomaly, and others variables
double prec2=1e-12;
double n=sqrt(GGRAV*mass/smaxis/smaxis/smaxis);
double Ea=HUGE_VAL,E=n*time;
while((E-Ea)*(E-Ea)>prec2){
Ea=E;
E=n*t+ecc*sin(E);
}
double M=smaxis*(1-ecc*ecc);
double Delta=smaxis*(1-ecc*cos(E));
double cosv=(M-Delta)/ecc/Delta;
double sini=sin(incl);
double cosi=cos(incl);
//set X and Y.
sg->x=Delta*sqrt(cosi*cosi-cosv*cosv);
sg->y=Delta*sini;
//set progress indicator and return.
*flags|=TRPI_GEOMETRY;
return 0;
}
/* \fcnfh
Set X and Y geometry variables
Return: 0 on success */
int
setgeom(struct geometry *sg, /* geometry structure */
double time, /* Time for which to set planet position. If
HUGE_VAL, use the default geometry value */
long *flags){ /* Progress indicator flag */
transitcheckcalled(*flags, "setgeom", 1, "setgeomhint", TRPI_GEOMETRYHINT);
/* TBD: include argument of pericenter and longitud of the node in the
computations, right now both values are used as zero. */
/* Auxiliary variables in cgs */
double smaxis = sg->smaxis*sg->smaxisfct; /* semi-major axis */
double ecc = sg->ecc*sg->eccfct; /* eccentricity */
double incl = sg->incl*sg->inclfct; /* inclination */
// double aper = sg->aper*sg->aperfct;
// double lnode = sg->lnode*sg->lnodefct;
double t = (time<HUGE_VAL ? time:sg->time)*sg->timefct; /* observation time */
double mass = sg->starmass*sg->starmassfct; /* Stellar mass */
double prec2 = 1e-12; /* Square eccentric anomaly precision limit */
double n = sqrt(GGRAV*mass/(smaxis*smaxis*smaxis)); /* Mean motion */
double Ea = HUGE_VAL, /* Approximation to eccentric anomaly */
E = n*time; /* Eccentric anomaly */
/* Solve Kepler equation to get the eccentric anomaly at time t: */
while((E-Ea)*(E-Ea) > prec2){
Ea = E;
E = n*t + ecc*sin(E);
}
double M = smaxis*(1-ecc*ecc);
double Delta = smaxis*(1-ecc*cos(E));
double cosv = (M-Delta)/(ecc*Delta); /* a * cosine of true anomaly */
double sini = sin(incl);
double cosi = cos(incl);
/* Set X and Y: */
sg->x = Delta*sqrt(cosi*cosi-cosv*cosv);
sg->y = Delta*sini;
/* Set progress indicator and return: */
*flags |= TRPI_GEOMETRY;
return 0;
}
/* FUNCTION: Calculate the opacity due to molecular transitions.
Return: 0 on success */
int
opacity(struct transit *tr){
struct transithint *th = tr->ds.th; /* transithint struct */
static struct opacity op; /* The opacity struct */
/* Set the opacity struct's mem to 0: */
memset(&op, 0, sizeof(struct opacity));
tr->ds.op = &op;
/* Check that the radius array has been sampled: */
transitcheckcalled(tr->pi, "opacity", 1, "makeradsample", TRPI_MAKERAD);
/* Check if the opacity file exists: */
int file_exists = fileexistopen(th->f_opa, NULL);
tr_output(TOUT_INFO, "Opacity-file exist status = %d\n", file_exists);
/* Set the file name in the transit struct: */
tr->f_opa = th->f_opa;
/* Opacity file has some error that makes it unusable, or not specified: */
if (file_exists < -1 || file_exists == 0) {
/* Calculate Voigt profiles: */
tr_output(TOUT_INFO, "Calculating grid of Voigt profiles.\n");
calcprofiles(tr);
/* Set progress indicator and return success: */
tr->pi |= TRPI_OPACITY;
return 0;
}
/* Opacity file specified, but it just doesn't exist yet: */
if (file_exists == -1) {
/* Open file for writing: */
tr->fp_opa = fopen(tr->f_opa, "wb");
/* Immediately return if the file could not be opened: */
if (tr->fp_opa == NULL){
tr_output(TOUT_WARN, "Opacity filename '%s' cannot be opened "
"for writing.\n", tr->f_opa);
return -1;
}
/* Calculate Voigt profiles: */
tr_output(TOUT_INFO, "Calculating grid of Voigt profiles.\n");
calcprofiles(tr);
/* Calculate the grid of opacities: */
tr_output(TOUT_INFO, "Calculating new grid of opacities: '%s'.\n",
tr->f_opa);
calcopacity(tr, tr->fp_opa);
/* Free the line-transition memory: */
freemem_linetransition(&tr->ds.li->lt, &tr->pi);
tr->pi |= TRPI_READDATA;
tr->pi |= TRPI_READINFO;
/* Set progress indicator and return success: */
tr->pi |= TRPI_OPACITY;
return 0;
}
/* Implied: The opacity file exists: */
file_exists = fileexistopen(th->f_opa, &tr->fp_opa);
tr->f_opa = th->f_opa;
tr_output(TOUT_INFO, "Opacity-file exist status = %d\n", file_exists);
if (file_exists != 1) {
tr_output(TOUT_WARN, "Opening opacity file failed.\n");
/* Calculate Voigt profiles: */
tr_output(TOUT_INFO, "Calculating grid of Voigt profiles.\n");
calcprofiles(tr);
/* Set progress indicator and return success: */
tr->pi |= TRPI_OPACITY;
return 0;
}
/* Should attempt to use shared memory: */
if (tr->opashare) {
/* Get ID or create shared opacityhint struct: */
key_t hintkey = ftok(tr->f_opa, 'a');
op.hintID = shmget(hintkey, sizeof(struct opacityhint), 0644 | IPC_CREAT);
/* If reserving the hint segment was unsuccessful, give up: */
if (op.hintID == -1) {
tr_output(TOUT_WARN, "Could not get hint shared memory ID.\n");
/* Read the grid of opacities from file: */
tr_output(TOUT_INFO, "Reading opacity file: '%s'.\n", tr->f_opa);
readopacity(tr, tr->fp_opa);
/* Set progress indicator and return success: */
tr->pi |= TRPI_OPACITY;
return 0;
}
/* Attach to the hint shared memory segment: */
op.hint = shmat(op.hintID, (void *) 0, 0);
/* If attaching was unsuccessful, give up. */
if (op.hint == (struct opacityhint *) -1) {
tr_output(TOUT_WARN, "Could not attach to hint shared memory.\n");
/* Read the grid of opacities from file: */
tr_output(TOUT_INFO, "Reading opacity file: '%s'.\n", tr->f_opa);
readopacity(tr, tr->fp_opa);
/* Set progress indicator and return success: */
tr->pi |= TRPI_OPACITY;
return 0;
}
/* If no process has claimed to be the master, claim it: */
if (op.hint->master_PID == 0)
op.hint->master_PID = getpid();
/* Wait a few cycles in case multiple processes claimed it at once: */
int i;
for (i = 0; i < 10; i++);
/* Check again to see if this process claimed the memory: */
if (op.hint->master_PID == getpid()) {
/* Share the grid of opacities from file: */
tr_output(TOUT_INFO, "Sharing opacity file: '%s'.\n", tr->f_opa);
if (shareopacity(tr, tr->fp_opa) || mountopacity(tr)) {
tr_output(TOUT_WARN, "Shared memory sh/mt error. Aborting.\n");
op.hint->status |= TSHM_ERROR;
/* Read the grid of opacities from file: */
tr_output(TOUT_INFO, "Reading opacity file: '%s'.\n",
tr->f_opa);
readopacity(tr, tr->fp_opa);
}
/* Assuming that all processes have attached to the two shared
memory segments, mark them for destruction as soon as all of the
processes have detached. */
struct shmid_ds buf1, buf2;
shmctl(op.hintID, IPC_STAT, &buf1);
do {
shmctl(op.mainID, IPC_STAT, &buf2);
}
while (buf2.shm_nattch != buf1.shm_nattch);
tr_output(TOUT_DEBUG, "Marking shared memory for removal.\n");
shmctl(op.hintID, IPC_RMID, &buf1);
shmctl(op.mainID, IPC_RMID, &buf2);
/* Set progress indicator and return success: */
tr->pi |= TRPI_OPACITY;
return 0;
}
else {
while ((op.hint->status & TSHM_WRITTEN) == 0) {
/* If there's an error with the shared memory, abort. */
if (op.hint->status & TSHM_ERROR) {
tr_output(TOUT_WARN, "Shared memory error. Aborting.\n");
/* Read the grid of opacities from file: */
tr_output(TOUT_INFO, "Reading opacity file: '%s'.\n", tr->f_opa);
readopacity(tr, tr->fp_opa);
/* Set progress indicator and return success: */
tr->pi |= TRPI_OPACITY;
return 0;
}
}
}
/* If there's an error attaching or mounting the memory, abort. */
if (attachopacity(tr) || mountopacity(tr)) {
tr_output(TOUT_WARN, "Shared memory att/mt error. Aborting.\n");
/* Read the grid of opacities from file: */
tr_output(TOUT_INFO, "Reading opacity file: '%s'.\n", tr->f_opa);
readopacity(tr, tr->fp_opa);
}
}
/* Should not attempt to use shared memory: */
else {
/* Read the grid of opacities from file: */
tr_output(TOUT_INFO, "Reading opacity file: '%s'.\n", tr->f_opa);
readopacity(tr, tr->fp_opa);
}
/* Set progress indicator and return success: */
tr->pi |= TRPI_OPACITY;
return 0;
}
/* \fcnfh
Obtains the quantity that is observable, but before being convolved
to telescope resolution
@returns 0 on success
-1 if impact parameter sampling is not equispaced
*/
int
modulation(struct transit *tr) /* Main structure */
{
static struct outputray st_out;
tr->ds.out=&st_out;
transitcheckcalled(tr->pi,"modulation",3,
"tau",TRPI_TAU,
"makeipsample",TRPI_MAKEIP,
"makewnsample",TRPI_MAKEWN
);
//initial variables and check that impact parameters was a monospaced
//array. Stop otherwise.
long w;
prop_samp *ip=&tr->ips;
prop_samp *wn=&tr->wns;
transit_ray_solution *sol=tr->sol;
if(ip->d==0&&sol->monoip) {
transiterror(TERR_SERIOUS|TERR_ALLOWCONT,
"To compute %s modulation, the impact parameter has to\n"
"be an equispaced array\n"
,sol->name);
return -1;
}
//output and geometry variables.
PREC_RES *out=st_out.o=(PREC_RES *)calloc(wn->n,sizeof(PREC_RES));
struct geometry *sg=tr->ds.sg;
struct optdepth *tau=tr->ds.tau;
//set time to the user hinted default, and other user hints
setgeom(sg,HUGE_VAL,&tr->pi);
const int modlevel=tr->modlevel=tr->ds.th->modlevel;
//integrate for each wavelength
transitprint(1,verblevel,
"\nIntegrating for each wavelength...\n");
int nextw=wn->n/10;
for(w=0; w<wn->n; w++) {
out[w]=sol->obsperwn(tau->t[w],tau->last[w],tau->toomuch,
ip,sg,modlevel);
if(out[w]<0) {
switch(-(int)out[w]) {
case 1:
if(modlevel==-1)
transiterror(TERR_SERIOUS,
"Optical depth didn't reach limiting %g at wavenumber %g[cm-1]\n"
" (Only reached %g)."
" Cannot use critical radius technique (-1)\n"
,tau->toomuch,tau->t[w][tau->last[w]],wn->v[w]*wn->fct);
default:
transiterror(TERR_SERIOUS,
"There was a problem while calculating modulation\n"
" at wavenumber %g[cm-1]. Error code %i\n"
,wn->v[w]*wn->fct,(int)out[w]);
break;
}
exit(EXIT_FAILURE);
}
if(w==nextw) {
nextw+=wn->n/10;
transitprint(2,verblevel,
"%i%%\r"
,(10*(int)(10*w/wn->n+0.9999999999)));
}
}
transitprint(1,verblevel," done\n");
//frees no longer needed memory.
freemem_idexrefrac(tr->ds.ir,&tr->pi);
freemem_extinction(tr->ds.ex,&tr->pi);
freemem_tau(tr->ds.tau,&tr->pi);
//set progress indicator, and print output
tr->pi&=TRPI_MODULATION;
printmod(tr);
return 0;
}
/* \fcnfh
Calculate the transit modulation at each wavenumber
Return: 0 on success, else
-1 if impact parameter sampling is not equispaced */
int
modulation(struct transit *tr){
struct optdepth *tau = tr->ds.tau;
struct geometry *sg = tr->ds.sg;
static struct outputray st_out;
tr->ds.out = &st_out;
long w;
prop_samp *ip = &tr->ips;
prop_samp *wn = &tr->wns;
ray_solution *sol = tr->sol;
/* Check that impact parameter and wavenumber samples exist: */
transitcheckcalled(tr->pi, "modulation", 3, "tau", TRPI_TAU,
"makeipsample", TRPI_MAKEIP,
"makewnsample", TRPI_MAKEWN);
/* Allocate the modulation array: */
PREC_RES *out = st_out.o = (PREC_RES *)calloc(wn->n, sizeof(PREC_RES));
/* Set time to the user hinted default, and other user hints: */
setgeom(sg, HUGE_VAL, &tr->pi);
/* Integrate for each wavelength: */
transitprint(1, verblevel, "Integrating over wavelength.\n");
int nextw = wn->n/10;
/* Calculate the modulation spectrum at each wavenumber: */
for(w=0; w < wn->n; w++){
out[w] = sol->spectrum(tr, tau->t[w], wn->v[w], tau->last[w],
tau->toomuch, ip);
if (out[w] < 0){
switch(-(int)out[w]){
case 1:
if(tr->modlevel == -1)
transiterror(TERR_SERIOUS, "Optical depth didn't reach limiting "
"%g at wavenumber %g cm-1 (only reached %g). Cannot "
"use critical radius technique (-1).\n", tau->toomuch,
tau->t[w][tau->last[w]], wn->v[w]*wn->fct);
default:
transiterror(TERR_SERIOUS, "There was a problem while calculating "
"modulation at wavenumber %g cm-1. Error code %i.\n",
wn->v[w]*wn->fct, (int)out[w]);
break;
}
exit(EXIT_FAILURE);
}
/* Print to screen the progress status: */
if(w==nextw){
nextw += wn->n/10;
transitprint(2, verblevel, "%i%% ", (10*(int)(10*w/wn->n+0.9999999999)));
}
}
transitprint(1, verblevel, "\nDone.\n");
/* Set progress indicator, and print output: */
tr->pi |= TRPI_MODULATION;
printmod(tr);
return 0;
}
/* \fcnfh
Read CIA info from tabulated files.
Return: 0 on success */
int
readcia(struct transit *tr){
FILE *fp; /* Pointer to CIA file */
char *file, /* CIA file name */
*colname; /* CIA isotope names */
PREC_CIA **a, /* CIA cross sections sample */
*wn; /* CIA sampled wavenumber array */
static struct cia st_cia; /* CIA structure */
tr->ds.cia = &st_cia;
int npairs = tr->ds.cia->nfiles = tr->ds.th->ncia; /* Number of CIA files */
int p; /* Auxiliary wavenumber index */
long nt, wa; /* Number of temperature, wn samples in CIA file */
char rc;
char *lp, *lpa; /* Pointers in file */
int maxline=300, n; /* Max length of line. Counter */
long lines; /* Lines read counter */
long i; /* Auxiliary for indices */
char line[maxline+1]; /* Array to hold line being read */
struct molecules *mol=tr->ds.mol;
/* Make sure that radius and wavenumber samples exist: */
transitcheckcalled(tr->pi, "interpolatecia", 2, "makewnsample", TRPI_MAKEWN,
"makeradsample", TRPI_MAKERAD);
/* Allocate (output) transit extinction array (in cm-1): */
st_cia.e = (PREC_CIA **)calloc(tr->wns.n, sizeof(PREC_CIA *));
st_cia.e[0] = (PREC_CIA *)calloc(tr->wns.n*tr->rads.n, sizeof(PREC_CIA));
for(p=1; p < tr->wns.n; p++)
st_cia.e[p] = st_cia.e[0] + p*tr->rads.n;
memset(st_cia.e[0], 0, tr->wns.n*tr->rads.n*sizeof(double));
/* If there are no files, allocate tr.ds.cia.e (extinction) and return: */
if(!npairs){
return 0;
}
transitprint(1, verblevel, "Computing CIA opacities for %i database%s:\n",
npairs, npairs>1 ? "s":"");
/* Allocate string for molecule names: */
colname = (char *)calloc(maxline, sizeof(char));
/* Allocate molecules' ID: */
st_cia.mol1 = (int *)calloc(npairs, sizeof(int));
st_cia.mol2 = (int *)calloc(npairs, sizeof(int));
/* Number of temperature and wavenumber samples per file: */
st_cia.ntemp = (int *)calloc(npairs, sizeof(int));
st_cia.nwave = (int *)calloc(npairs, sizeof(int));
/* CIA, temperature and wavenumber samples: */
st_cia.cia = (PREC_CIA ***)calloc(npairs, sizeof(PREC_CIA **));
st_cia.temp = (PREC_CIA **)calloc(npairs, sizeof(PREC_CIA *));
st_cia.wn = (PREC_CIA **)calloc(npairs, sizeof(PREC_CIA *));
for(p=0; p < npairs; p++){
/* Copy file names from hint: */
file = xstrdup(tr->ds.th->ciafile[p]);
/* Attempt to open the files: */
if((fp=fopen(file, "r")) == NULL)
transiterror(TERR_SERIOUS, "Cannot read CIA file '%s'.\n", file);
transitprint(10, verblevel, " CIA file (%d/%d): '%s'\n",
p+1, npairs, file);
lines = 0; /* lines read counter */
lpa = 0;
/* Read the file headers: */
while(1){
/* Skip comments, blanks and read next line: */
while((rc=fgetupto_err(lp=line, maxline, fp, &ciaerr, file, lines++))
=='#' || rc=='\n');
/* If it is end of file, stop loop: */
if(!rc)
transiterror(TERR_SERIOUS, "File '%s' finished before opacity info.\n",
file);
switch(rc){
case 'i': /* Read the name of the isotopes: */
while(isblank(*++lp));
/* Check that there are exactly two isotopes: */
if(countfields(lp, ' ') != 2)
transiterror(TERR_SERIOUS,
"Wrong line %i in CIA file '%s', if it begins with a "
"'i', it should have the species separated by blank "
"spaces. Rest of line:\n'%s'\n", lines, file, lp);
st_cia.mol1[p] = st_cia.mol2[p] = -1;
/* Allocate and copy the name of the first moleculee: */
getname(lp, colname);
/* Find the ID of the first molecule: */
for(i=0; i<mol->nmol; i++)
if(strcmp(mol->name[i], colname)==0)
st_cia.mol1[p] = i;
/* If the molecule is not in the atmosphere file: */
if(st_cia.mol1[p] == -1)
transiterror(TERR_SERIOUS, "CIA molecule '%s' from file '%s' does "
"not match any in the atmsopheric file.\n", colname, file);
/* Allocate and store the name of the second isotope: */
lp = nextfield(lp);
getname(lp, colname);
for(i=0; i < mol->nmol; i++)
if(strcmp(mol->name[i], colname)==0)
st_cia.mol2[p] = i;
if(st_cia.mol2[p] == -1)
transiterror(TERR_SERIOUS, "CIA molecule '%s' from file '%s' does "
"not match any in the atmsopheric file.\n", colname, file);
transitprint(10, verblevel, " CIA molecules: [%s, %s]\n",
mol->name[st_cia.mol1[p]], mol->name[st_cia.mol2[p]]);
continue;
case 't': /* Read the sampling temperatures array: */
while(isblank(*++lp));
nt = st_cia.ntemp[p] = countfields(lp, ' '); /* Number of temps. */
transitprint(10, verblevel, " Number of temperature samples: %ld\n",
nt);
if(!nt)
transiterror(TERR_SERIOUS, "Wrong line %i in CIA file '%s', if it "
"begins with a 't' then it should have the "
"blank-separated fields with the temperatures. Rest "
"of line: %s.\n", lines, file, lp);
/* Allocate and store the temperatures array: */
st_cia.temp[p] = (PREC_CIA *)calloc(nt, sizeof(PREC_CIA));
n = 0; /* Count temperatures per line */
lpa = lp; /* Pointer in line */
transitprint(20, verblevel, " Temperatures (K) = [");
while(n < nt){
while(isblank(*lpa++));
st_cia.temp[p][n] = strtod(--lpa, &lp); /* Get value */
transitprint(20, verblevel, "%d, ", (int)st_cia.temp[p][n]);
if(lp==lpa)
transiterror(TERR_CRITICAL, "Less fields (%i) than expected (%i) "
"were read for temperature in the CIA file '%s'.\n",
n, nt, file);
if((lp[0]|0x20) == 'k') lp++; /* Remove trailing K if exists */
lpa = lp;
n++;
}
transitprint(20, verblevel, "\b\b]\n");
continue;
default:
break;
}
break;
}
/* Set an initial value for allocated wavenumber fields: */
wa = 32;
/* Allocate wavenumber array: */
wn = (PREC_CIA *)calloc(wa, sizeof(PREC_CIA));
/* Allocate input extinction array (in cm-1 amagat-2): */
a = (PREC_CIA **)calloc(wa, sizeof(PREC_CIA *));
a[0] = (PREC_CIA *)calloc(wa*nt, sizeof(PREC_CIA));
for(i=1; i<wa; i++)
a[i] = a[0] + i*nt;
n=0;
/* Read information for each wavenumber sample: */
while(1){
/* Skip comments and blanks; read next line: */
if (n)
while((rc=fgetupto_err(lp=line, maxline, fp, &ciaerr, file, lines++))
=='#'||rc=='\n');
/* Stop, if it is end of file: */
if(!rc)
break;
/* Re-allocate (double the size) if necessary: */
if(n==wa){
wn = (PREC_CIA *)realloc(wn, (wa<<=1) * sizeof(PREC_CIA));
a = (PREC_CIA **)realloc(a, wa * sizeof(PREC_CIA *));
a[0] = (PREC_CIA *)realloc(a[0], wa * nt * sizeof(PREC_CIA));
for(i=1; i<wa; i++)
a[i] = a[0] + i*nt;
}
/* Store new line: wavenumber first, then loop over cross sections: */
while(isblank(*lp++));
wn[n] = strtod(lp-1, &lpa); /* Store wavenumber */
if(lp==lpa+1)
transiterror(TERR_CRITICAL, "Invalid fields for the %ith wavenumber "
"in the CIA file '%s'.\n", n+1, file);
i = 0;
while(i<nt){
a[n][i] = strtod(lpa, &lp); /* Store cross section */
if(lp==lpa)
transiterror(TERR_CRITICAL, "Less fields (%i) than expected (%i) "
"were read for the %ith wavenumber in the CIA "
"file '%s'.\n", i, nt, n+1, file);
lpa = lp;
i++;
}
n++;
}
/* Re-allocate arrays to their final sizes: */
if(n<wa){
st_cia.wn[p] = (PREC_CIA *)realloc(wn, n* sizeof(PREC_CIA));
a = (PREC_CIA **)realloc(a, n* sizeof(PREC_CIA *));
a[0] = (PREC_CIA *)realloc(a[0], n*nt*sizeof(PREC_CIA));
for(i=1; i<n; i++)
a[i] = a[0] + i*nt;
}
transitprint(10, verblevel, " Number of wavenumber samples: %d\n", n);
transitprint(20, verblevel, " Wavenumber array (cm-1) = [%.1f, %.1f, "
"%.1f, ..., %.1f, %.1f, %.1f]\n", st_cia.wn[p][0], st_cia.wn[p][1],
st_cia.wn[p][2], st_cia.wn[p][n-3], st_cia.wn[p][n-2], st_cia.wn[p][n-1]);
st_cia.cia[p] = a;
st_cia.nwave[p] = n;
fclose(fp);
}
/* FINDME: The program breaks when I free colname, it makes no sense */
free(colname);
transitprint(1, verblevel, "Done.\n");
tr->pi |= TRPI_CIA;
return 0;
}
/* FUNCTION:
Fill up the extinction information in tr->ds.ex
TD: Scattering parameters should be added at some point here.
Return: 0 on success, else
computeextradius() */
int
extwn(struct transit *tr){
struct transithint *th=tr->ds.th;
static struct extinction st_ex;
tr->ds.ex = &st_ex;
struct extinction *ex = &st_ex;
int i;
/* Check these routines have been called: */
transitcheckcalled(tr->pi, "extwn", 4,
"readinfo_tli", TRPI_READINFO,
"readdatarng", TRPI_READDATA,
"makewnsample", TRPI_MAKEWN,
"makeradsample", TRPI_MAKERAD);
transitacceptflag(tr->fl, tr->ds.th->fl, TRU_EXTBITS);
struct isotopes *iso = tr->ds.iso;
int niso = iso->n_i;
int nrad = tr->rads.n;
int nwn = tr->wns.n;
/* Check there is at least one atmospheric layer: */
/* FINDME: Move to readatm */
if(tr->rads.n < 1){
tr_output(TOUT_ERROR,
"There are no atmospheric parameters specified. I need at "
"least one atmospheric point to calculate a spectra.\n");
return -2;
}
/* Check there are at least two wavenumber sample points: */
/* FINDME: Move to makewnsample */
if(tr->wns.n < 2){
tr_output(TOUT_ERROR,
"I need at least 2 wavenumber points to compute anything; "
"I need resolution.\n");
return -3;
}
/* Check there is at least one isotope linelist */
/* FINDME: This should not be a condition, we may want
to calculate an atmosphere with only CIA for example. */
if(niso < 1){
tr_output(TOUT_WARN, "You are requiring a spectra of zero isotopes.\n");
}
/* Get the extinction coefficient threshold: */
ex->ethresh = th->ethresh;
/* Declare extinction-coefficient array: */
ex->e = (PREC_RES **)calloc(nrad, sizeof(PREC_RES *));
if((ex->e[0] = (PREC_RES *)calloc(nrad*nwn, sizeof(PREC_RES)))==NULL) {
tr_output(TOUT_ERROR, "Unable to allocate %li = %li*%li "
"for the extinction coefficient.\n", nrad*nwn, nrad, nwn);
exit(EXIT_FAILURE);
}
for(i=1; i<nrad; i++){
ex->e[i] = ex->e[0] + i*nwn;
}
/* Has the extinction been computed at given radius boolean: */
ex->computed = (_Bool *)calloc(nrad, sizeof(_Bool));
/* Set progress indicator, and print and output extinction if one P,T
was desired, otherwise return success: */
tr->pi |= TRPI_EXTWN;
return 0;
}
