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/* This is a test for the NCEPLIBS-g2c project. This test is for
* the simpack() and simunpack() functions.
*
* Ed Hartnett 10/28/21
*/
#include "grib2_int.h"
#include <stdio.h>
#include <stdlib.h>
#define DATA_LEN 4
#define PACKED_LEN 40
g2int simunpack(unsigned char *cpack, g2int *idrstmpl, g2int ndpts,
float *fld);
int
main()
{
printf("Testing simple packing/unpacking functions.\n");
printf("Testing simpack() call...");
{
g2int ndpts = DATA_LEN;
float fld[DATA_LEN] = {1.0, 2.0, 3.0, 0.0};
float fld_in[DATA_LEN];
unsigned char cpack[PACKED_LEN];
g2int lcpack;
g2int idrstmpl[5] = {0, 1, 1, 16, 0};
int i;
/* Pack the data. */
simpack(fld, ndpts, idrstmpl, cpack, &lcpack);
/* Unpack the data. */
if (simunpack(cpack, idrstmpl, ndpts, fld_in))
return G2C_ERROR;
for (i = 0; i < DATA_LEN; i++)
{
/* printf("%g %g\n", fld[i], fld_in[i]); */
if (fld[i] != fld_in[i])
return G2C_ERROR;
}
}
printf("ok!\n");
printf("Testing simpack() call with constant field..");
{
g2int ndpts = DATA_LEN;
float fld[DATA_LEN] = {3.0, 3.0, 3.0, 3.0};
float fld_in[DATA_LEN];
unsigned char cpack[PACKED_LEN];
g2int lcpack;
g2int idrstmpl[5] = {0, 1, 1, 16, 0};
int i;
/* Pack the data. */
simpack(fld, ndpts, idrstmpl, cpack, &lcpack);
/* Unpack the data. */
if (simunpack(cpack, idrstmpl, ndpts, fld_in))
return G2C_ERROR;
for (i = 0; i < DATA_LEN; i++)
{
/* printf("%g %g\n", fld[i], fld_in[i]); */
if (fld[i] != fld_in[i])
return G2C_ERROR;
}
}
printf("ok!\n");
printf("Testing simpack() call with idrstmpl[1] = 1, nbits = 0...");
{
g2int ndpts = DATA_LEN;
float fld[DATA_LEN] = {1.0, 2.0, 3.0, 0.0};
float fld_in[DATA_LEN];
unsigned char cpack[PACKED_LEN];
g2int lcpack;
g2int idrstmpl[5] = {0, 1, 1, 0, 0};
int i;
/* Pack the data. */
simpack(fld, ndpts, idrstmpl, cpack, &lcpack);
/* Unpack the data. */
if (simunpack(cpack, idrstmpl, ndpts, fld_in))
return G2C_ERROR;
for (i = 0; i < DATA_LEN; i++)
{
/* printf("%g %g\n", fld[i], fld_in[i]); */
if (fld[i] != fld_in[i])
return G2C_ERROR;
}
}
printf("ok!\n");
printf("Testing simpack() call with idrstmpl[1] = 0, nbits = 0...");
{
g2int ndpts = DATA_LEN;
float fld[DATA_LEN] = {1.0, 2.0, 3.0, 0.0};
float fld_in[DATA_LEN];
unsigned char cpack[PACKED_LEN];
g2int lcpack;
g2int idrstmpl[5] = {0, 0, 1, 0, 0};
int i;
/* Pack the data. */
simpack(fld, ndpts, idrstmpl, cpack, &lcpack);
/* Unpack the data. */
if (simunpack(cpack, idrstmpl, ndpts, fld_in))
return G2C_ERROR;
for (i = 0; i < DATA_LEN; i++)
{
/* printf("%g %g\n", fld[i], fld_in[i]); */
if (fld[i] != fld_in[i])
return G2C_ERROR;
}
}
printf("ok!\n");
printf("Testing simpack() call with idrstmpl[1] = 0, nbits = 16...");
{
g2int ndpts = DATA_LEN;
float fld[DATA_LEN] = {1.0, 2.0, 3.0, 0.0};
float fld_in[DATA_LEN];
unsigned char cpack[PACKED_LEN];
g2int lcpack;
g2int idrstmpl[5] = {0, 0, 1, 16, 0};
int i;
/* Pack the data. */
simpack(fld, ndpts, idrstmpl, cpack, &lcpack);
/* Unpack the data. */
if (simunpack(cpack, idrstmpl, ndpts, fld_in))
return G2C_ERROR;
for (i = 0; i < DATA_LEN; i++)
{
/* printf("%g %g\n", fld[i], fld_in[i]); */
if (fld[i] != fld_in[i])
return G2C_ERROR;
}
}
printf("ok!\n");
printf("SUCCESS!\n");
return 0;
}
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