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/****************************************************************************
* NCSA HDF *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* *
* For conditions of distribution and use, see the accompanying *
* hdf/COPYING file. *
* *
****************************************************************************/
#ifdef RCSID
static char RcsId[] = "$Revision$";
#endif
/* $Id$ */
/***********************************************************
*
* Test program: tselect
*
* Test the dataspace selection functionality
*
*************************************************************/
#include <testhdf5.h>
#include <hdf5.h>
#define FILE "tselect.h5"
/* 3-D dataset with fixed dimensions */
#define SPACE1_NAME "Space1"
#define SPACE1_RANK 3
#define SPACE1_DIM1 3
#define SPACE1_DIM2 15
#define SPACE1_DIM3 13
/* 2-D dataset with fixed dimensions */
#define SPACE2_NAME "Space2"
#define SPACE2_RANK 2
#define SPACE2_DIM1 30
#define SPACE2_DIM2 26
/* 2-D dataset with fixed dimensions */
#define SPACE3_NAME "Space3"
#define SPACE3_RANK 2
#define SPACE3_DIM1 15
#define SPACE3_DIM2 26
/* Element selection information */
#define POINT1_NPOINTS 10
/****************************************************************
**
** test_select_hyper(): Test basic H5S (dataspace) selection code.
** Tests hyperslabs of various sizes and dimensionalities.
**
****************************************************************/
static void
test_select_hyper(void)
{
hid_t fid1; /* HDF5 File IDs */
hid_t dataset; /* Dataset ID */
hid_t sid1,sid2; /* Dataspace ID */
hsize_t dims1[] = {SPACE1_DIM1, SPACE1_DIM2, SPACE1_DIM3};
hsize_t dims2[] = {SPACE2_DIM1, SPACE2_DIM2};
hsize_t dims3[] = {SPACE3_DIM1, SPACE3_DIM2};
hsize_t start[SPACE1_RANK]; /* Starting location of hyperslab */
hsize_t stride[SPACE1_RANK]; /* Stride of hyperslab */
hsize_t count[SPACE1_RANK]; /* Element count of hyperslab */
hsize_t block[SPACE1_RANK]; /* Block size of hyperslab */
uint8 *wbuf, /* buffer to write to disk */
*rbuf, /* buffer read from disk */
*tbuf, /* temporary buffer pointer */
*tbuf2; /* temporary buffer pointer */
intn i,j; /* Counters */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Hyperslab Selection Functions\n"));
/* Allocate write & read buffers */
wbuf=malloc(sizeof(uint8)*SPACE2_DIM1*SPACE2_DIM2);
rbuf=calloc(sizeof(uint8),SPACE3_DIM1*SPACE3_DIM2);
/* Initialize write buffer */
for(i=0, tbuf=wbuf; i<SPACE2_DIM1; i++)
for(j=0; j<SPACE2_DIM2; j++)
*tbuf++=(uint8)((i*SPACE2_DIM2)+j);
/* Create file */
fid1 = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fcreate");
/* Create dataspace for dataset */
sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
CHECK(sid1, FAIL, "H5Screate_simple");
/* Create dataspace for writing buffer */
sid2 = H5Screate_simple(SPACE2_RANK, dims2, NULL);
CHECK(sid2, FAIL, "H5Screate_simple");
/* Select 2x15x13 hyperslab for disk dataset */
start[0]=1; start[1]=0; start[2]=0;
stride[0]=1; stride[1]=1; stride[2]=1;
count[0]=2; count[1]=15; count[2]=13;
block[0]=1; block[1]=1; block[2]=1;
ret = H5Sselect_hyperslab(sid1,H5S_SELECT_SET,start,stride,count,block);
CHECK(ret, FAIL, "H5Sselect_hyperslab");
/* Select 15x26 hyperslab for memory dataset */
start[0]=15; start[1]=0;
stride[0]=1; stride[1]=1;
count[0]=15; count[1]=26;
block[0]=1; block[1]=1;
ret = H5Sselect_hyperslab(sid2,H5S_SELECT_SET,start,stride,count,block);
CHECK(ret, FAIL, "H5Sselect_hyperslab");
/* Create a dataset */
dataset=H5Dcreate(fid1,"Dataset1",H5T_NATIVE_UCHAR,sid1,H5P_DEFAULT);
/* Write selection to disk */
ret=H5Dwrite(dataset,H5T_NATIVE_UCHAR,sid2,sid1,H5P_DEFAULT,wbuf);
CHECK(ret, FAIL, "H5Dwrite");
/* Close memory dataspace */
ret = H5Sclose(sid2);
CHECK(ret, FAIL, "H5Sclose");
/* Create dataspace for reading buffer */
sid2 = H5Screate_simple(SPACE3_RANK, dims3, NULL);
CHECK(sid2, FAIL, "H5Screate_simple");
/* Select 15x26 hyperslab for reading memory dataset */
start[0]=0; start[1]=0;
stride[0]=1; stride[1]=1;
count[0]=15; count[1]=26;
block[0]=1; block[1]=1;
ret = H5Sselect_hyperslab(sid2,H5S_SELECT_SET,start,stride,count,block);
CHECK(ret, FAIL, "H5Sselect_hyperslab");
/* Read selection from disk */
ret=H5Dread(dataset,H5T_NATIVE_UCHAR,sid2,sid1,H5P_DEFAULT,rbuf);
CHECK(ret, FAIL, "H5Dread");
/* Compare data read with data written out */
for(i=0; i<SPACE3_DIM1; i++) {
tbuf=wbuf+((i+15)*SPACE2_DIM2);
tbuf2=rbuf+(i*SPACE3_DIM2);
for(j=0; j<SPACE3_DIM2; j++, tbuf++, tbuf2++) {
if(*tbuf!=*tbuf2) {
printf("hyperslab values don't match!, i=%d, j=%d\n",i,j);
} /* end if */
} /* end for */
} /* end for */
/* Close memory dataspace */
ret = H5Sclose(sid2);
CHECK(ret, FAIL, "H5Sclose");
/* Close disk dataspace */
ret = H5Sclose(sid1);
CHECK(ret, FAIL, "H5Sclose");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
/* Free memory buffers */
free(wbuf);
free(rbuf);
} /* test_select_hyper() */
/****************************************************************
**
** test_select_point(): Test basic H5S (dataspace) selection code.
** Tests element selections between dataspaces of various sizes
** and dimensionalities.
**
****************************************************************/
static void
test_select_point(void)
{
hid_t fid1; /* HDF5 File IDs */
hid_t dataset; /* Dataset ID */
hid_t sid1,sid2; /* Dataspace ID */
hsize_t dims1[] = {SPACE1_DIM1, SPACE1_DIM2, SPACE1_DIM3};
hsize_t dims2[] = {SPACE2_DIM1, SPACE2_DIM2};
hsize_t dims3[] = {SPACE3_DIM1, SPACE3_DIM2};
hssize_t coord1[POINT1_NPOINTS][SPACE1_RANK]; /* Coordinates for point selection */
hssize_t coord2[POINT1_NPOINTS][SPACE2_RANK]; /* Coordinates for point selection */
hssize_t coord3[POINT1_NPOINTS][SPACE3_RANK]; /* Coordinates for point selection */
uint8 *wbuf, /* buffer to write to disk */
*rbuf, /* buffer read from disk */
*tbuf, /* temporary buffer pointer */
*tbuf2; /* temporary buffer pointer */
intn i,j; /* Counters */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Element Selection Functions\n"));
/* Allocate write & read buffers */
wbuf=malloc(sizeof(uint8)*SPACE2_DIM1*SPACE2_DIM2);
rbuf=calloc(sizeof(uint8),SPACE3_DIM1*SPACE3_DIM2);
/* Initialize write buffer */
for(i=0, tbuf=wbuf; i<SPACE2_DIM1; i++)
for(j=0; j<SPACE2_DIM2; j++)
*tbuf++=(uint8)((i*SPACE2_DIM2)+j);
/* Create file */
fid1 = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fcreate");
/* Create dataspace for dataset */
sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
CHECK(sid1, FAIL, "H5Screate_simple");
/* Create dataspace for write buffer */
sid2 = H5Screate_simple(SPACE2_RANK, dims2, NULL);
CHECK(sid2, FAIL, "H5Screate_simple");
/* Select sequence of ten points for disk dataset */
coord1[0][0]=0; coord1[0][1]=10; coord1[0][2]= 5;
coord1[1][0]=1; coord1[1][1]= 2; coord1[1][2]= 7;
coord1[2][0]=2; coord1[2][1]= 4; coord1[2][2]= 9;
coord1[3][0]=0; coord1[3][1]= 6; coord1[3][2]=11;
coord1[4][0]=1; coord1[4][1]= 8; coord1[4][2]=13;
coord1[5][0]=2; coord1[5][1]=12; coord1[5][2]= 0;
coord1[6][0]=0; coord1[6][1]=14; coord1[6][2]= 2;
coord1[7][0]=1; coord1[7][1]= 0; coord1[7][2]= 4;
coord1[8][0]=2; coord1[8][1]= 1; coord1[8][2]= 6;
coord1[9][0]=0; coord1[9][1]= 3; coord1[9][2]= 8;
ret = H5Sselect_elements(sid1,H5S_SELECT_SET,POINT1_NPOINTS,coord1);
CHECK(ret, FAIL, "H5Sselect_elements");
/* Select sequence of ten points for write dataset */
coord2[0][0]=12; coord2[0][1]= 3;
coord2[1][0]=15; coord2[1][1]=13;
coord2[2][0]= 7; coord2[2][1]=25;
coord2[3][0]= 0; coord2[3][1]= 6;
coord2[4][0]=13; coord2[4][1]= 0;
coord2[5][0]=24; coord2[5][1]=11;
coord2[6][0]=12; coord2[6][1]=21;
coord2[7][0]=29; coord2[7][1]= 4;
coord2[8][0]= 8; coord2[8][1]= 8;
coord2[9][0]=19; coord2[9][1]=17;
ret = H5Sselect_elements(sid2,H5S_SELECT_SET,POINT1_NPOINTS,coord2);
CHECK(ret, FAIL, "H5Sselect_elements");
/* Create a dataset */
dataset=H5Dcreate(fid1,"Dataset1",H5T_NATIVE_UCHAR,sid1,H5P_DEFAULT);
/* Write selection to disk */
ret=H5Dwrite(dataset,H5T_NATIVE_UCHAR,sid2,sid1,H5P_DEFAULT,wbuf);
CHECK(ret, FAIL, "H5Dwrite");
/* Close memory dataspace */
ret = H5Sclose(sid2);
CHECK(ret, FAIL, "H5Sclose");
/* Create dataspace for reading buffer */
sid2 = H5Screate_simple(SPACE3_RANK, dims3, NULL);
CHECK(sid2, FAIL, "H5Screate_simple");
/* Select sequence of points for read dataset */
coord3[0][0]= 0; coord3[0][1]= 2;
coord3[1][0]= 4; coord3[1][1]= 8;
coord3[2][0]=13; coord3[2][1]=13;
coord3[3][0]=14; coord3[3][1]=25;
coord3[4][0]= 7; coord3[4][1]= 9;
coord3[5][0]= 2; coord3[5][1]= 0;
coord3[6][0]= 9; coord3[6][1]=19;
coord3[7][0]= 1; coord3[7][1]=22;
coord3[8][0]=12; coord3[8][1]=21;
coord3[9][0]=11; coord3[9][1]= 6;
ret = H5Sselect_elements(sid2,H5S_SELECT_SET,POINT1_NPOINTS,coord3);
CHECK(ret, FAIL, "H5Sselect_elements");
/* Read selection from disk */
ret=H5Dread(dataset,H5T_NATIVE_UCHAR,sid2,sid1,H5P_DEFAULT,rbuf);
CHECK(ret, FAIL, "H5Dread");
/* Compare data read with data written out */
for(i=0; i<POINT1_NPOINTS; i++) {
tbuf=wbuf+(coord2[i][0]*SPACE2_DIM2)+coord2[i][1];
tbuf2=rbuf+(coord3[i][0]*SPACE3_DIM2)+coord3[i][1];
if(*tbuf!=*tbuf2) {
printf("element values don't match!, i=%d\n",i);
} /* end if */
} /* end for */
/* Close memory dataspace */
ret = H5Sclose(sid2);
CHECK(ret, FAIL, "H5Sclose");
/* Close disk dataspace */
ret = H5Sclose(sid1);
CHECK(ret, FAIL, "H5Sclose");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
/* Free memory buffers */
free(wbuf);
free(rbuf);
} /* test_select_point() */
/****************************************************************
**
** test_select(): Main H5S selection testing routine.
**
****************************************************************/
void
test_select(void)
{
/* Output message about test being performed */
MESSAGE(5, ("Testing Selections\n"));
/* These next two tests use the same file information */
test_select_hyper(); /* Test basic H5S hyperslab selection code */
test_select_point(); /* Test basic H5S element selection code */
} /* test_select() */
/*-------------------------------------------------------------------------
* Function: cleanup_select
*
* Purpose: Cleanup temporary test files
*
* Return: none
*
* Programmer: Albert Cheng
* July 2, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
void
cleanup_select(void)
{
remove(FILE);
}
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