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fread3

NAME

[retval] = freadd3(fid)

SYNOPSIS

function [retval] = fread3(fid)

DESCRIPTION

 [retval] = freadd3(fid)
 read a 3 byte integer out of a file

CROSS-REFERENCE INFORMATION

This function calls:

This function is called by:

read_surf
read_wfile

SUBFUNCTIONS

No subfunction for this M-file.

SOURCE CODE

0001 function [retval] = fread3(fid)
0002 % [retval] = freadd3(fid)
0003 % read a 3 byte integer out of a file
0004 
0005 b1 = fread(fid, 1, 'uchar') ;
0006 b2 = fread(fid, 1, 'uchar') ;
0007 b3 = fread(fid, 1, 'uchar') ;
0008 retval = bitshift(b1, 16) + bitshift(b2,8) + b3 ;
0009