simunpack.c File Reference

Unpack a data field that was packed using a simple packing algorithm. More...

#include <stdio.h>
#include <stdlib.h>
#include "grib2_int.h"

Go to the source code of this file.

Functions
g2int	simunpack (unsigned char *cpack, g2int *idrstmpl, g2int ndpts, float *fld)
	Unpack a data field that was packed using a simple packing algorithm, using info from the GRIB2 Data Representation Template 5.0.

Detailed Description

Unpack a data field that was packed using a simple packing algorithm.

Author

Stephen Gilbert

Date

2002-10-29

Definition in file simunpack.c.

Function Documentation

simunpack()

g2int simunpack	(	unsigned char *	cpack,
		g2int *	idrstmpl,
		g2int	ndpts,
		float *	fld
	)

Unpack a data field that was packed using a simple packing algorithm, using info from the GRIB2 Data Representation Template 5.0.

Parameters

cpack	pointer to the packed data field.
idrstmpl	pointer to the array of values for Data Representation Template 5.0.
ndpts	The number of data values to unpack.
fld	A pointer that gets the unpacked data values. fld must be `* allocated with at least ndpts * sizeof(float) bytes before calling this routine.

Returns

0 for success, error code otherwise.

Author

Stephen Gilbert

Date

2002-10-29

Definition at line 28 of file simunpack.c.

References G2_JPCUNPACK_MEM, G2_NO_ERROR, gbits(), int_power(), LOG, and rdieee().

Referenced by g2c_unpack7_int().