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model.c
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/*
* BHAC tools
* Copyright 2024
* Author: Jordy Davelaar
*/
#include "definitions.h"
#include "functions.h"
#include "global_vars.h"
#include "model_definitions.h"
#include "model_functions.h"
#include "model_global_vars.h"
// GLOBAL VARS
//////////////
double ****p;
double R0, a, Q, hslope;
double *neqpar;
double stopx[4], startx[4], dx[4];
double xprobmin[3], xprobmax[3];
double **Xcoord, ***Xgrid, ***Xbar;
int block_size, forest_size, cells, ndimini;
int ng[3], *forest, *nx, nleafs;
int N1, N2, N3;
int TR1, LFAC, XI;
struct block *block_info;
// FUNCTIONS
////////////
void init_model() {
// init rand
srand(4242424242);
// Initialize the BHAC AMR GRMHD data
fprintf(stderr, "\nStarting read in of BHAC GRMHD data...\n");
init_grmhd_data(GRMHD_FILE);
}
int find_igrid(double x[4], struct block *block_info, double ***Xc) {
double small = 1e-9;
#if (metric == MKSBHAC || metric == MKSN)
x[3] = fmod(x[3], 2 * M_PI);
x[2] = fmod(x[2], M_PI) - 1e-6;
if (x[3] < 0.)
x[3] = 2. * M_PI + x[3];
if (x[2] < 0.) {
x[2] = -x[2];
x[3] = M_PI + x[3];
}
if (x[2] > M_PI / 2.)
small = -small;
#endif
for (int igrid = 0; igrid < nleafs; igrid++) {
if (x[1] + small >= block_info[igrid].lb[0] &&
x[1] + small <
block_info[igrid].lb[0] + (block_info[igrid].size[0]) *
block_info[igrid].dxc_block[0] &&
x[2] + small >= block_info[igrid].lb[1] &&
x[2] + small <
block_info[igrid].lb[1] + (block_info[igrid].size[1]) *
block_info[igrid].dxc_block[1]
#if(THREED)
&& x[3] + small >= block_info[igrid].lb[2] &&
x[3] + small <
block_info[igrid].lb[2] + (block_info[igrid].size[2]) *
block_info[igrid].dxc_block[2]) {
#else
){
#endif
return igrid;
}
}
return -1;
}
int find_cell(double x[4], struct block *block_info, int igrid, double ***Xc) {
int i = (int)((x[1] - block_info[igrid].lb[0]) /
block_info[igrid].dxc_block[0]);
int j = (int)((x[2] - block_info[igrid].lb[1]) /
block_info[igrid].dxc_block[1]);
if (i >= nx[0])
i = nx[0] - 1;
if (j >= nx[1])
j = nx[1] - 1;
#if(THREED)
int k = (int)((x[3] - block_info[igrid].lb[2]) /
block_info[igrid].dxc_block[2]);
if (k >= nx[2])
k = nx[2] - 1;
int cell = i + j * block_info[igrid].size[0] +
k * block_info[igrid].size[0] * block_info[igrid].size[1];
#else
int cell = i + j * block_info[igrid].size[0];
#endif
return cell;
}
void new_index(int dims, int i, int *new_i, int *new_j, int *new_k, int ip,
int jp, int kp) {
if (dims == 1) {
*new_i = 2 * (ip) + i;
*new_j = 0;
*new_k = 0;
}
if (dims == 2) {
*new_i = 2 * (ip) + i % 2;
*new_j = 2 * (jp) + i / 2;
*new_k = 0;
}
if (dims == 3) {
*new_i = 2 * (ip) + i % 2;
*new_j = 2 * (jp) + ((int)(i / 2.)) % 2;
*new_k = 2 * (kp) + (int)(i / 4.);
}
}
void read_node(FILE *file_id, int *igrid, int *refine, int ndimini, int level,
int ind_i, int ind_j, int ind_k) {
int buffer_i[1], leaf;
fread(buffer_i, sizeof(int), 1, file_id);
leaf = buffer_i[0];
if (leaf) {
(*igrid)++;
int i = (*igrid);
if (i > forest_size) {
forest = (int *)realloc(forest, i * sizeof(int));
forest_size++;
}
if (i > block_size) {
block_info =
(struct block *)realloc(block_info, i * sizeof(struct block));
block_size++;
}
forest[forest_size - 1] = 1;
block_info[block_size - 1].ind[0] = ind_i;
block_info[block_size - 1].ind[1] = ind_j;
block_info[block_size - 1].ind[2] = ind_k;
block_info[block_size - 1].level = level;
} else {
(*refine) += 1;
int i = (*igrid) + (*refine);
if (i > forest_size) {
forest = (int *)realloc(forest, i * sizeof(int) * 2);
forest_size++;
}
forest[forest_size - 1] = 0;
for (int ich = 0; ich < pow(2, ndimini); ich++) {
int cind_j, cind_i, cind_k;
new_index(ndimini, ich, &cind_i, &cind_j, &cind_k, ind_i, ind_j,
ind_k);
read_node(file_id, igrid, refine, ndimini, level + 1, cind_i,
cind_j, cind_k);
}
}
}
double get_detgamma(double x, double y, double z) {
double g_dd[4][4];
double X_u[4];
X_u[0] = 0;
X_u[1] = x;
X_u[2] = y;
X_u[3] = z;
metric_dd(X_u, g_dd);
double detgamma =
g_dd[1][1] * (g_dd[2][2] * g_dd[3][3] - g_dd[3][2] * g_dd[2][3]) -
g_dd[1][2] * (g_dd[2][1] * g_dd[3][3] - g_dd[3][1] * g_dd[2][3]) +
g_dd[1][3] * (g_dd[2][1] * g_dd[3][2] - g_dd[2][2] * g_dd[3][1]);
#if (DEBUG)
if (isnan(sqrt(detgamma))) {
double R2 = x * x + y * y + z * z;
double a2 = a * a;
double r2 =
(R2 - a2 + sqrt((R2 - a2) * (R2 - a2) + 4. * a2 * z * z)) * 0.5;
double r_current = sqrt(r2);
fprintf(stderr, "isnan detgam %e %e rc %e\n", sqrt(detgamma), detgamma,
r_current);
detgamma = 0;
exit(1);
}
#endif
return sqrt(detgamma);
}
void calc_coord_bar(double *X, double *dxc_block, double *Xbar) {
double coef_1D[3];
double coef_2D[3][3];
double coef_3D[3][3][3];
double is[3], js[3], ks[3];
coef_1D[0] = 1.;
coef_1D[1] = 4.;
coef_1D[2] = 1.;
is[0] = -1.;
is[1] = 0.;
is[2] = 1.;
js[0] = -1.;
js[1] = 0.;
js[2] = 1.;
ks[0] = -1.;
ks[1] = 0.;
ks[2] = 1.;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
coef_2D[i][j] = coef_1D[i] * coef_1D[j];
}
}
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
for (int k = 0; k < 3; k++) {
coef_3D[i][j][k] = coef_2D[i][j] * coef_1D[k];
}
}
}
double norm = 0;
double xbar = 0;
double ybar = 0;
double zbar = 0;
double detgamma;
for (int k = 0; k < 3; k++) {
for (int j = 0; j < 3; j++) {
for (int i = 0; i < 3; i++) {
detgamma = get_detgamma(X[0] + dxc_block[0] / 2. * is[i],
X[1] + dxc_block[1] / 2. * js[j],
X[2] + dxc_block[2] / 2. * ks[k]);
norm += detgamma * coef_3D[i][j][k];
xbar += detgamma * coef_3D[i][j][k] *
(X[0] + dxc_block[0] / 2. * is[i]);
ybar += detgamma * coef_3D[i][j][k] *
(X[1] + dxc_block[1] / 2. * js[j]);
zbar += detgamma * coef_3D[i][j][k] *
(X[2] + dxc_block[2] / 2. * ks[k]);
}
}
}
norm *= (dxc_block[0] / 6.0) * (dxc_block[1] / 6.0) * (dxc_block[2] / 6.0);
xbar *= (dxc_block[0] / 6.0) * (dxc_block[1] / 6.0) * (dxc_block[2] / 6.0) /
norm;
ybar *= (dxc_block[0] / 6.0) * (dxc_block[1] / 6.0) * (dxc_block[2] / 6.0) /
norm;
zbar *= (dxc_block[0] / 6.0) * (dxc_block[1] / 6.0) * (dxc_block[2] / 6.0) /
norm;
Xbar[0] = xbar;
Xbar[1] = ybar;
Xbar[2] = zbar;
#if (DEBUG)
if (isnan(Xbar[0])) {
fprintf(stderr, "isnan in calc_coord_bar %e %e %e %e\n", Xbar[0],
Xbar[1], Xbar[2], norm);
Xbar[0] = 0;
Xbar[1] = 0;
Xbar[2] = 0;
exit(1);
}
#endif
}
void calc_coord(int c, int *nx, int ndimini, double *lb, double *dxc_block,
double *X) {
int local_ig[3];
local_ig[0] = (int)((c % nx[0]));
local_ig[1] = (int)(fmod((((double)c) / ((double)nx[0])), (double)nx[1]));
if (ndimini == 3) {
local_ig[2] = (int)(((double)c) / ((double)nx[0] * nx[1]));
}
for (int i = 0; i < ndimini; i++) {
X[i] = lb[i] + (local_ig[i] + 0.5) * dxc_block[i]; // cell centered
}
if (isnan(X[0])) {
fprintf(stderr, "isnan in calccoord %lf %d %lf %lf\n", lb[0],
local_ig[0], dxc_block[0], ((double)c) / (nx[0] * nx[1]));
exit(1);
}
}
void convert2prim(double prim[12], double **conserved, int c, double X[3],
double Xgrid[4], double dxc[3]) {
double X_u[4];
double g_dd[4][4], g_uu[4][4];
#if(RESISTIVE)
double lc[4][4][4];
double detgamma;
detgamma = get_detgamma( X[0], X[1], X[2]);
get_spatial_lc(lc);
#endif
X_u[0] = 0;
X_u[1] = X[0];
X_u[2] = X[1];
X_u[3] = X[2];
metric_dd(X_u, g_dd);
metric_uu(X_u, g_uu);
conserved[S2][c] = conserved[S2][c];
#if(!RESISTIVE)
double BS = conserved[S1][c] * conserved[B1][c] +
conserved[S2][c] * conserved[B2][c] +
conserved[S3][c] * conserved[B3][c];
#endif
double Bsq = 0;
double B_d[4];
double S_u[4];
double ExB[4];
double E_d[4];
double Esq = 0;
for(int i=0;i<4;i++){
S_u[i] = 0;
B_d[i] = 0;
#if(RESISTIVE)
E_d[i] = 0;
ExB[i] = 0;
#endif
}
double gamma[4][4];
for (int i = 1; i < 4; i++) {
for (int j = 1; j < 4; j++) {
gamma[i][j] = g_uu[i][j] + g_uu[0][i] * g_uu[0][j] / (-g_uu[0][0]);
}
}
for (int j = 1; j < 4; j++) {
for (int i = 1; i < 4; i++) {
S_u[j] += gamma[i][j] * conserved[S1 + i - 1][c];
B_d[j] += g_dd[i][j] * conserved[B1 + i - 1][c];
#if(RESISTIVE)
E_d[j] += g_dd[i][j] * conserved[E1 + i - 1][c];
#endif
}
}
for (int i = 1; i < 4; i++) {
Bsq += B_d[i] * conserved[B1 + i - 1][c];
#if(RESISTIVE)
Esq += E_d[i] * conserved[E1 + i - 1][c];
#endif
}
#if(RESISTIVE)
for(int i=1;i<4;i++)
for(int j=1;j<4;j++)
for(int k=1;k<4;k++){
ExB[i] += (detgamma)*lc[i][j][k] * conserved[E1 + j - 1][c] * conserved[B1 + k - 1][c];
}
#endif
#if (DEBUG)
if (isnan(BS) || isnan(Bsq)) {
fprintf(stderr, "Bsq %e BS %e\n", Bsq, BS);
fprintf(stderr, "B %e %e %e\n", conserved[B1][c], conserved[B2][c],
conserved[B3][c]);
fprintf(stderr, "V %e %e %e\n", conserved[S1][c], conserved[S2][c],
conserved[S3][c]);
exit(1);
}
#endif
prim[KRHO] = conserved[D][c] / conserved[LFAC][c];
#if(RESISTIVE)
prim[UU] = (conserved[XI][c] - conserved[TAU][c] - conserved[D][c] + 0.5 *(Esq+Bsq))/(neqpar[0]-1);
double U_d[4], U_u[4];
for(int i=0;i<4;i++){
U_d[i]=0;
U_u[i]=0;
}
U_d[1] = (conserved[S1][c] - ExB[1])/conserved[XI][c];
U_d[2] = (conserved[S2][c] - ExB[2])/conserved[XI][c];
U_d[3] = (conserved[S3][c] - ExB[3])/conserved[XI][c];
for (int j = 1; j < 4; j++) {
for (int i = 1; i < 4; i++)
U_u[j] += gamma[i][j] * U_d[i];
}
prim[U1]=U_u[1];
prim[U2]=U_u[2];
prim[U3]=U_u[3];
#else
prim[UU] = (neqpar[0] - 1.) / neqpar[0] *
(conserved[XI][c] / pow(conserved[LFAC][c], 2.) - prim[KRHO]) /
(neqpar[0] -
1.); // need internal energy not pressure so extra 1/(gam-1)
prim[U1] =
S_u[1] / (conserved[XI][c] + Bsq) +
conserved[B1][c] * BS / (conserved[XI][c] * (conserved[XI][c] + Bsq));
prim[U2] =
S_u[2] / (conserved[XI][c] + Bsq) +
conserved[B2][c] * BS / (conserved[XI][c] * (conserved[XI][c] + Bsq));
prim[U3] =
S_u[3] / (conserved[XI][c] + Bsq) +
conserved[B3][c] * BS / (conserved[XI][c] * (conserved[XI][c] + Bsq));
#endif
prim[U1] *= conserved[LFAC][c];
prim[U2] *= conserved[LFAC][c];
prim[U3] *= conserved[LFAC][c];
prim[B1] = BPOL * conserved[B1][c];
prim[B2] = BPOL * conserved[B2][c];
prim[B3] = BPOL * conserved[B3][c];
#if(RESISTIVE)
prim[E1] = conserved[E1][c];
prim[E2] = conserved[E2][c];
prim[E3] = conserved[E3][c];
#endif
prim[TR1] = conserved[TR1][c];
// con2prim can fail for internal energy, we have a backup with entropy.
if (prim[UU] < 0) {
fprintf(stderr, "UU %e\n", prim[UU]);
prim[UU] = (conserved[DS][c] / conserved[D][c]) *
pow(prim[KRHO], neqpar[0] - 1) /
(neqpar[0] -
1.); // need internal energy not pressure so extra 1/(gam-1)
fprintf(stderr, "UU %e\n", prim[UU]);
if (prim[UU] < 0) {
fprintf(stderr, "Entropy UU reset failed %e\n", prim[UU]);
prim[UU] = 1e-14;
fprintf(stderr, "UU set to low number %e\n", prim[UU]);
}
}
double gVdotgV = 0;
for (int i = 1; i < 4; i++) {
for (int j = 1; j < 4; j++) {
gVdotgV += g_dd[i][j] * prim[U1 + i - 1] * prim[U1 + j - 1];
}
}
#if (DEBUG)
double gammaf = sqrt(gVdotgV + 1.);
if (prim[UU] < 0) {
fprintf(stderr, "U %e gam %e XI %e LFAC %e lor %e RHO %e\n", prim[UU],
neqpar[0], conserved[XI][c], conserved[LFAC][c], gammaf,
prim[KRHO]);
exit(1);
}
if (isnan(gammaf)) {
fprintf(stderr, "gVdotgV %e lfac %e lor %e\n", gVdotgV,
conserved[LFAC][c], gammaf);
fprintf(stderr, "\n");
fprintf(stderr, "lor %e gVdotgV %e lfac %e XI %e Bsq %e BS %e\n",
gammaf, gVdotgV, conserved[LFAC][c], conserved[XI][c], Bsq, BS);
fprintf(stderr, "xi? %e %e\n",
conserved[LFAC][c] * conserved[LFAC][c] * prim[KRHO] *
(1 + neqpar[0] * prim[UU] / prim[KRHO]),
conserved[XI][c]);
fprintf(stderr, "Xbar %e %e %e\n", X[0], X[1], X[2]);
fprintf(stderr, "X %e %e %e\n", Xgrid[0], Xgrid[1], Xgrid[2]);
exit(1);
}
if (isnan(gammaf))
exit(1);
#endif
}
uint64_t mortonEncode(unsigned int ig1, unsigned int ig2, unsigned int ig3) {
uint64_t answer = 0;
for (uint64_t i = 0; i < (sizeof(uint64_t) * 64) / ndimini; ++i) {
answer = answer | ((ig1 & ((uint64_t)1 << i)) << 2 * i) |
((ig2 & ((uint64_t)1 << i)) << (2 * i + 1)) |
((ig3 & ((uint64_t)1 << i)) << (2 * i + 2));
}
return answer;
}
int level_one_Morton_ordered(int ***iglevel1_sfc, int **sfc_iglevel1) {
// first compute how large the block should be assuming its squared
int ngsq1 = pow(2, ceil(log10(ng[0]) / log10(2.0)));
int ngsq2 = pow(2, ceil(log10(ng[1]) / log10(2.0)));
int ngsq3 = pow(2, ceil(log10(ng[2]) / log10(2.0)));
int ngsqmax = fmax(ngsq1, fmax(ngsq2, ngsq3));
ngsq1 = ngsqmax;
ngsq2 = ngsqmax;
ngsq3 = ngsqmax;
int gsq_sfc[ngsq1][ngsq2][ngsq3];
// construct the sfc for the squared grid
for (uint32_t i = 0; i < ngsq1; i++) {
for (uint32_t j = 0; j < ngsq2; j++) {
for (uint32_t k = 0; k < ngsq3; k++) {
gsq_sfc[i][j][k] = mortonEncode(i, j, k);
}
}
}
// delete blocks outside of the real grid
for (int i = 0; i < ngsq1; i++) {
for (int j = 0; j < ngsq2; j++) {
for (int k = 0; k < ngsq3; k++) {
// check which block runs out of the grid
if (i >= ng[0] || j >= ng[1] || k >= ng[2]) {
// if an index is too large, then we need to decrease all
// the sfc indices by 1 if they are larger than the sfc
// index of that particular block.
for (int ic = 0; ic < ngsq1; ic++) {
for (int jc = 0; jc < ngsq2; jc++) {
for (int kc = 0; kc < ngsq3; kc++) {
if (gsq_sfc[ic][jc][kc] > gsq_sfc[i][j][k])
gsq_sfc[ic][jc][kc]--;
}
}
}
}
}
}
}
// create maps to go from sfc to normal grid indices
for (int i = 0; i < ng[0]; i++) {
for (int j = 0; j < ng[1]; j++) {
for (int k = 0; k < ng[2]; k++) {
iglevel1_sfc[i][j][k] = gsq_sfc[i][j][k];
sfc_iglevel1[gsq_sfc[i][j][k]][0] = i;
sfc_iglevel1[gsq_sfc[i][j][k]][1] = j;
sfc_iglevel1[gsq_sfc[i][j][k]][2] = k;
}
}
}
return 0;
}
void init_grmhd_data(char *fname) {
double buffer[1];
unsigned int buffer_i[1];
FILE *file_id;
long int offset;
int levmaxini, ndirini, nwini, nws, neqparini, it;
double t;
int nxlone[3];
file_id = fopen(fname, "rb"); // r for read, b for binary
if (file_id < 0) {
fprintf(stderr, "\nCan't open sim data file... Abort!\n");
fflush(stderr);
exit(1234);
} else {
fprintf(stderr, "\nSuccessfully opened %s. \n\nReading", fname);
}
fseek(file_id, 0, SEEK_END);
offset = -40;
fseek(file_id, offset, SEEK_CUR);
fread(buffer_i, sizeof(int), 1, file_id);
nleafs = buffer_i[0];
fread(buffer_i, sizeof(int), 1, file_id);
levmaxini = buffer_i[0];
fread(buffer_i, sizeof(int), 1, file_id);
ndimini = buffer_i[0];
fread(buffer_i, sizeof(int), 1, file_id);
ndirini = buffer_i[0];
fread(buffer_i, sizeof(int), 1, file_id);
nwini = buffer_i[0];
fread(buffer_i, sizeof(int), 1, file_id);
nws = buffer_i[0];
fread(buffer_i, sizeof(int), 1, file_id);
neqparini = buffer_i[0];
fread(buffer_i, sizeof(int), 1, file_id);
it = buffer_i[0];
fread(buffer, sizeof(double), 1, file_id);
t = buffer[0];
TR1=nwini-3;
LFAC = nwini-2;
XI = nwini-1;
offset = offset - (ndimini * 4 + neqparini * 8);
fseek(file_id, offset, SEEK_CUR);
neqpar = (double *)malloc(neqparini * sizeof(double));
nx = (int *)malloc(ndimini * sizeof(int));
for (int k = 0; k < ndimini; k++) {
fread(buffer_i, sizeof(int), 1, file_id);
nx[k] = buffer_i[0];
}
if(ndimini!=3){
nx[2]=1;
}
for (int k = 0; k < neqparini; k++) {
fread(buffer, sizeof(double), 1, file_id);
neqpar[k] = buffer[0];
}
a = neqpar[NSPIN];
if (metric != MKSN)
Q = 0.0;
Q = 0.0;
FILE *inputgrid;
if (metric == CKS)
inputgrid = fopen("grid_cks.in", "r");
else{
#if(THREED)
inputgrid = fopen("grid_3d.in", "r");
#else
inputgrid = fopen("grid.in", "r");
#endif
}
if (inputgrid == NULL) {
printf("Cannot read input file");
exit(1);
}
char temp[100], temp2[100];
// Model parameters
fscanf(inputgrid, "%s %s %d", temp, temp2, &nxlone[0]);
fscanf(inputgrid, "%s %s %d", temp, temp2, &nxlone[1]);
if (ndimini == 3)
fscanf(inputgrid, "%s %s %d", temp, temp2, &nxlone[2]);
fscanf(inputgrid, "%s %s %lf", temp, temp2, &xprobmin[0]);
fscanf(inputgrid, "%s %s %lf", temp, temp2, &xprobmin[1]);
if (ndimini == 3)
fscanf(inputgrid, "%s %s %lf", temp, temp2, &xprobmin[2]);
fscanf(inputgrid, "%s %s %lf", temp, temp2, &xprobmax[0]);
fscanf(inputgrid, "%s %s %lf", temp, temp2, &xprobmax[1]);
if (ndimini == 3)
fscanf(inputgrid, "%s %s %lf", temp, temp2, &xprobmax[2]);
fscanf(inputgrid, "%s %s %lf", temp, temp2, &hslope);
fclose(inputgrid);
if (metric == MKSBHAC || metric == MKSN) {
xprobmin[1] *= 2. * M_PI;
xprobmin[2] *= 2. * M_PI;
xprobmax[1] *= 2. * M_PI;
xprobmax[2] *= 2. * M_PI;
}
ng[0] = 1;
ng[1] = 1;
startx[1] = xprobmin[0];
startx[2] = xprobmin[1];
stopx[1] = xprobmax[0];
stopx[2] = xprobmax[1];
if(ndimini == 3){
ng[2] = 1;
startx[3] = xprobmin[2];
stopx[3] = xprobmax[2];
}
cells = 1;
for (int k = 0; k < ndimini; k++) {
cells *= nx[k];
}
N1 = nleafs;
N2 = cells;
N3 = 1;
if (nleafs != N1 || cells != N2 || 1 != N3) {
fprintf(stderr, "wrong N1, N2, N3! %d!=%d %d!=%d %d!=%d", nleafs, N1,
cells, N2, 1, N3);
}
long int nleafs_long = nleafs;
long int size_block = cells * (nwini)*8;
long int stag =
nleafs_long * (nx[0] + 1) * (nx[1] + 1) * nws * 8;
if(ndimini==3)
stag *= (nx[2] + 1);
offset = nleafs * size_block + stag;
fseek(file_id, 0, SEEK_SET);
fseek(file_id, offset, SEEK_CUR);
for (int i = 0; i < ndimini; i++) {
ng[i] = nxlone[i] / nx[i];
}
if (ndimini < 3)
ng[2] = 1;
int igrid = 0;
int refine = 0;
block_info = (struct block *)malloc(0);
forest = (int *)malloc(sizeof(int));
fprintf(stderr, ".");
int level = 1;
#if (SFC)
int ***iglevel1_sfc;
int **sfc_iglevel1;
iglevel1_sfc = (int ***)malloc(ng[0] * sizeof(int **));
for (int i = 0; i < ng[0]; i++) {
iglevel1_sfc[i] = (int **)malloc(ng[1] * sizeof(int *));
for (int j = 0; j < ng[1]; j++) {
iglevel1_sfc[i][j] = (int *)malloc(ng[2] * sizeof(int));
}
}
sfc_iglevel1 = (int **)malloc(ng[0] * ng[1] * ng[2] * sizeof(int *));
for (int i = 0; i < ng[0] * ng[1] * ng[2]; i++) {
sfc_iglevel1[i] = (int *)malloc(3 * sizeof(int));
}
level_one_Morton_ordered(iglevel1_sfc, sfc_iglevel1);
int i, j, k;
for (int sfc_i = 0; sfc_i < ng[2] * ng[1] * ng[0]; sfc_i++) {
i = sfc_iglevel1[sfc_i][0];
j = sfc_iglevel1[sfc_i][1];
k = sfc_iglevel1[sfc_i][2];
read_node(file_id, &igrid, &refine, ndimini, level, i, j, k);
}
#else
for (int k = 0; k < ng[2]; k++) {
for (int j = 0; j < ng[1]; j++) {
for (int i = 0; i < ng[0]; i++) {
read_node(file_id, &igrid, &refine, ndimini, level, i, j, k);
}
}
}
#endif
if (nleafs != igrid) {
fprintf(stderr, "something wrong with grid dimensions\n");
exit(1);
}
double *dx1, *dxc;
dx1 = (double *)malloc(ndimini * sizeof(double));
dxc = (double *)malloc(ndimini * sizeof(double));
// block and cell size on level one.
for (int i = 0; i < ndimini; i++) {
dx1[i] = (xprobmax[i] - xprobmin[i]) / ng[i];
dxc[i] = (xprobmax[i] - xprobmin[i]) / nxlone[i];
}
double **values;
values = (double **)malloc(nwini * sizeof(double *));
for (int i = 0; i < nwini; i++) {
values[i] = (double *)malloc(cells * sizeof(double));
}
Xgrid = (double ***)malloc(nleafs * sizeof(double **));
Xbar = (double ***)malloc(nleafs * sizeof(double **));
for (int j = 0; j < nleafs; j++) {
Xgrid[j] = (double **)malloc(cells * sizeof(double *));
Xbar[j] = (double **)malloc(cells * sizeof(double *));
for (int i = 0; i < cells; i++) {
Xgrid[j][i] = (double *)malloc(ndimini * sizeof(double));
Xbar[j][i] = (double *)malloc(ndimini * sizeof(double));
}
}
init_storage();
fprintf(stderr, ".");
fseek(file_id, 0, SEEK_SET);
for (int i = 0; i < nleafs; i++) {
for (int n = 0; n < ndimini; n++) {
block_info[i].lb[n] =
(xprobmin[n] + (block_info[i].ind[n]) * dx1[n] /
pow(2., (double)block_info[i].level - 1.));
#if (DEBUG)
if (isnan(block_info[i].lb[n])) {
fprintf(stderr, "NaN %d %lf %d", i,
pow(2, block_info[i].level - 1), block_info[i].level);
exit(1);
}
#endif
block_info[i].dxc_block[n] =
(dxc[n] / (pow(2., (double)block_info[i].level - 1.)));
block_info[i].size[n] = nx[n];
}
for (int nw = 0; nw < nwini; nw++) {
for (int c = 0; c < cells; c++) {
fread(buffer, sizeof(double), 1, file_id);
values[nw][c] = buffer[0];
}
}
#pragma omp parallel for shared(values, p) schedule(static, 1)
for (int c = 0; c < cells; c++) {
calc_coord(c, nx, ndimini, block_info[i].lb,
block_info[i].dxc_block, Xgrid[i][c]);
#if (DEBUG)
if (isnan(Xgrid[i][c][0])) {
fprintf(stderr, "%d %d", c, i);
exit(1);
}
#endif
double prim[12];
convert2prim(prim, values, c, Xgrid[i][c], Xgrid[i][c],
block_info[i].dxc_block);
p[KRHO][i][c][0] = prim[KRHO];
p[UU][i][c][0] = prim[UU];
p[U1][i][c][0] = prim[U1];
p[U2][i][c][0] = prim[U2];
p[U3][i][c][0] = prim[U3];
p[B1][i][c][0] = prim[B1];
p[B2][i][c][0] = prim[B2];
p[B3][i][c][0] = prim[B3];
p[E1][i][c][0] = prim[E1];
p[E2][i][c][0] = prim[E2];
p[E3][i][c][0] = prim[E3];
p[TR1][i][c][0] = prim[TR1];
// }
if (i == (nleafs / 2) && c == 0)
fprintf(stderr, ".");
}
#pragma omp barrier
offset = (nx[0] + 1) * (nx[1] + 1) * nws * 8;
if(ndimini==3)
offset *= (nx[2]+1);
fseek(file_id, offset, SEEK_CUR);
}
fprintf(stderr, "Done\n");
free(values);
free(forest);
}
void init_storage() {
int i;
p = (double ****)malloc(NPRIM * sizeof(double ***));
for (i = 0; i < NPRIM; i++) {
p[i] = (double ***)malloc((N1 + 1) * sizeof(double **));
for (int j = 0; j <= N1; j++) {
p[i][j] = (double **)malloc((N2 + 1) * sizeof(double *));
for (int k = 0; k <= N2; k++) {
p[i][j][k] = (double *)malloc((N3) * sizeof(double));
}
}
}
return;
}
void coefficients(double X[NDIM], struct block *block_info, int igrid, int c,
double del[NDIM]) {
double block_start[4];
double block_dx[4];
int i, j;
block_start[0] =
block_info[igrid].lb[0] + 0. * block_info[igrid].dxc_block[0];
block_dx[0] = block_info[igrid].dxc_block[0];
block_start[1] =
block_info[igrid].lb[1] + 0. * block_info[igrid].dxc_block[1];
block_dx[1] = block_info[igrid].dxc_block[1];
i = (int)((X[1] - block_start[0]) / block_dx[0] + 1000) - 1000;
j = (int)((X[2] - block_start[1]) / block_dx[1] + 1000) - 1000;
if (i < 0) {
del[1] = 0.;
} else if (i > nx[0] - 2) {
del[1] = 1.;
} else {
del[1] = (X[1] - ((i)*block_dx[0] + block_start[0])) / block_dx[0];
}
if (j < 0) {
del[2] = 0.;
} else if (j > nx[1] - 2) {
del[2] = 1.;
} else {
del[2] = (X[2] - ((j)*block_dx[1] + block_start[1])) / block_dx[1];
}
#if(THREED)
int k;
block_start[2] =
block_info[igrid].lb[2] + 0. * block_info[igrid].dxc_block[2];
block_dx[2] = block_info[igrid].dxc_block[2];
k = (int)((X[3] - block_start[2]) / block_dx[2] + 1000) - 1000;
if (k < 0) {
del[3] = 0.;
} else if (k > nx[2] - 2) {
del[3] = 1.0;
} else {
del[3] = (X[3] - ((k)*block_dx[2] + block_start[2])) / block_dx[2];
}
#endif
return;
}