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| void lineX(char * fname,scalar s,double yp, double zp, int maxlevel){
FILE *fpver =fopen (fname,"a");
int nn = (1<<maxlevel);
double ** field = matrix_new (1, nn, sizeof(double));
double stp = L0/(double)nn;
for (int i = 0; i < nn; i++){
double xp = stp*i + X0 + stp/2.;
Point point = locate (xp, yp,zp);
field[0][i] = point.level >= 0 ? interpolate(s,xp,yp,zp) : nodata;
}
if (pid() == 0){ // master
#if _MPI
MPI_Reduce (MPI_IN_PLACE, field[0], nn, MPI_DOUBLE, MPI_MIN, 0,
MPI_COMM_WORLD);
#endif
for (int i = 0; i < nn; i++) {
fprintf (fpver, "%g ", field[0][i]);
}
fputc ('\n', fpver);
fflush (fpver);
}
#if _MPI
else // slave
MPI_Reduce (field[0], NULL, nn, MPI_DOUBLE, MPI_MIN, 0,
MPI_COMM_WORLD);
#endif
matrix_free (field);
}
void lineY(char * fname,scalar s,double xp, double zp, int maxlevel){
FILE *fpver =fopen (fname,"a");
int nn = (1<<maxlevel);
double ** field = matrix_new (1, nn, sizeof(double));
double stp = L0/(double)nn;
for (int i = 0; i < nn; i++)
{
double yp = stp*i + Y0 + stp/2.;
Point point = locate (xp, yp,zp);
field[0][i] = point.level >= 0 ? interpolate(s,xp,yp,zp) : nodata;
}
if (pid() == 0){ // master
#if _MPI
MPI_Reduce (MPI_IN_PLACE, field[0], nn, MPI_DOUBLE, MPI_MIN, 0,
MPI_COMM_WORLD);
#endif
for (int i = 0; i < nn; i++) {
fprintf (fpver, "%g ", field[0][i]);
}
fputc ('\n', fpver);
fflush (fpver);
}
#if _MPI
else // slave
MPI_Reduce (field[0], NULL, nn, MPI_DOUBLE, MPI_MIN, 0,
MPI_COMM_WORLD);
#endif
matrix_free (field);
}
void lineZ(char * fname,scalar s,double xp, double yp, int maxlevel){
FILE *fpver =fopen (fname,"a");
int nn = (1<<maxlevel);
double ** field = matrix_new (1, nn, sizeof(double));
double stp = L0/(double)nn;
for (int i = 0; i < nn; i++)
{
double zp = stp*i + Z0 + stp/2.;
Point point = locate (xp, yp,zp);
field[0][i] = point.level >= 0 ? interpolate(s,xp,yp,zp) : nodata;
}
if (pid() == 0){ // master
#if _MPI
MPI_Reduce (MPI_IN_PLACE, field[0], nn, MPI_DOUBLE, MPI_MIN, 0,
MPI_COMM_WORLD);
#endif
for (int i = 0; i < nn; i++) {
fprintf (fpver, "%g ", field[0][i]);
}
fputc ('\n', fpver);
fflush (fpver);
}
#if _MPI
else // slave
MPI_Reduce (field[0], NULL, nn, MPI_DOUBLE, MPI_MIN, 0,
MPI_COMM_WORLD);
#endif
matrix_free (field);
}
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