unpack.c
上传用户:szhypcb168
上传日期:2007-01-06
资源大小:2187k
文件大小:1k
- /**************************************************************************
- *
- * ROUTINE
- * unpack (unpack from binary to decimal)
- *
- * FUNCTION
- * Input binary array and number of binary bits,
- * program returns unpacked decimal value.
- *
- * SYNOPSIS
- * subroutine unpack(array, bits, value, pointer)
- *
- * formal
- *
- * data I/O
- * name type type function
- * -------------------------------------------------------------------
- * array short i array to which one bit is assigned
- * for binary representation
- * bits int i number of bits to convert
- * (ie. 01001 for 5 bits, 1st 0 incl.)
- * value int o decimal value to convert to
- * pointer int i/o points to appropriate element in
- * array
- *
- ***************************************************************************
- *
- * DESCRIPTION
- *
- * This program unpacks binary values packed by pack.c
- * into decimal values.
- *
- ***************************************************************************
- *
- * CALLED BY
- *
- * celp dcodcbg dcodcbi dcodpg dcodtau
- *
- * CALLS
- *
- *
- *
- ***************************************************************************
- *
- * REFERENCES
- *
- *
- **************************************************************************/
- unpack(array, bits, value, pointer)
- int bits, *value, *pointer;
- short array[];
- {
- int i;
- for (i = 0, *value = 0; i < bits; i++, (*pointer)++)
- *value |= array[*pointer+1] << i;
- }