diff options
Diffstat (limited to 'src/CoordinateStuff.c')
| -rw-r--r-- | src/CoordinateStuff.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/CoordinateStuff.c b/src/CoordinateStuff.c deleted file mode 100644 index c630e4e..0000000 --- a/src/CoordinateStuff.c +++ /dev/null @@ -1,165 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> - -#include "cctk.h" - - /*@@ - @routine IndexFloor - @date Fri Jan 7 10:34:29 2000 - @author Gerd Lanfermann - @desc - For a given physical, global coordinate, IndexFloor returns - the closest lower grid index *locally* in the direction d, - which is owned by the grid path. (Ghostzone are not owned!) - Other return values: - -1 : gridindex not on this gridpatch - -3 : coordinate is outside global grid - - This routine and the Fortran wrapper are Fortran/C index aware. - @enddesc - @calls - @calledby - @history - - @endhistory - -@@*/ - - -int IndexFloor(cGH *GH, CCTK_REAL coord_value, int d) -{ - int index_low,idummy,ugs,lgs; - char *message; - CCTK_REAL cmin,cmax; - - if (d==0) - CCTK_CoordRange(GH,&cmin,&cmax,"x"); - else if (d==1) - CCTK_CoordRange(GH,&cmin,&cmax,"y"); - else if (d==2) - CCTK_CoordRange(GH,&cmin,&cmax,"z"); - else - CCTK_WARN(0,"IndexFloor: dimension is not valid. Fortran:1..3 C:0..2"); - - if ((coord_value<cmin)||(coord_value>cmax)) { - message = (char*)malloc(128*sizeof(char)); - sprintf(message, - "IndexFloor: coordinate value outside grid [%f,%f]: %f \n", - cmin, cmax, coord_value); - CCTK_WARN(2,message); - free(message); - return(-3); - } - - idummy = floor((coord_value-GH->cctk_origin_space[d])/ GH->cctk_delta_space[d]); - index_low = idummy-GH->cctk_lbnd[d]; - - if (GH->cctk_bbox[2*d]==1) - lgs = 0; - else - lgs = GH->cctk_nghostzones[d]; - - if (GH->cctk_bbox[2*d+1]==1) - ugs = 0; - else - ugs = GH->cctk_nghostzones[d]; - - if (index_low<lgs) - index_low = -1; - - if (index_low>=GH->cctk_lsh[d]-ugs) - index_low = -1; - - return(index_low); -} - - - /*@@ - @routine IndexCeil - @date Fri Jan 7 10:34:29 2000 - @author Gerd Lanfermann - @desc - For a given physical, global coordinate, IndexCeil returns - the closest upper grid index *locally* in the direction d, - which is owned by the grid path. (Ghostzone are not owned!) - Other return values: - -1 : grid index not on this gridpatch - -3 : coordinate is outside global grid - - This routine and the Fortran wrapper are Fortran/C index aware. - @enddesc - @calls - @calledby - @history - - @endhistory - -@@*/ - - -int IndexCeil(cGH *GH, CCTK_REAL coord_value, int d) -{ - int index_up,idummy,ugs,lgs; - char *message; - CCTK_REAL cmin,cmax; - - if (d==0) - CCTK_CoordRange(GH,&cmin,&cmax,"x"); - else if (d==1) - CCTK_CoordRange(GH,&cmin,&cmax,"y"); - else if (d==2) - CCTK_CoordRange(GH,&cmin,&cmax,"z"); - else - CCTK_WARN(0,"IndexCeil: dimension is not valid. Fortran:1..3 C:0..2"); - - - if ((coord_value<cmin)||(coord_value>cmax)) { - message = (char*) malloc(256*sizeof(char)); - sprintf(message, - "IndexCeil: coordinate value outside grid [%f,%f]: %f \n", - cmin,cmax, coord_value); - CCTK_WARN(2,message); - free(message); - return(-3); - } - - idummy = ceil((coord_value-GH->cctk_origin_space[d])/ GH->cctk_delta_space[d]); - index_up = idummy-GH->cctk_lbnd[d]; - - if (GH->cctk_bbox[2*d]==1) - lgs = 0; - else - lgs = GH->cctk_nghostzones[d]; - - if (GH->cctk_bbox[2*d+1]==1) - ugs = 0; - else - ugs = GH->cctk_nghostzones[d]; - - if (index_up<lgs) - index_up = -1; - - if (index_up>=GH->cctk_lsh[d]-ugs) - index_up = -1; - - return(index_up); -} - -void CCTK_FCALL CCTK_FNAME(IndexFloor) - (cGH *GH, CCTK_REAL *coord_value, int *index_low, int *fdim) { - - /* note the increase/decrease of indeces for fortran compatability */ - *index_low = IndexFloor(GH, *coord_value, (*fdim)-1); - if ((*index_low)>=0) (*index_low)++; -} - -void CCTK_FCALL CCTK_FNAME(IndexCeil) - (cGH *GH, CCTK_REAL *coord_value, int *index_up, int *fdim) { - /* note the increase/decrease of indeces for fortran compatability */ - *index_up = IndexCeil(GH, *coord_value, (*fdim)-1); - if ((*index_up)>=0) (*index_up)++; -} - - |