Need help in a c programme Post: 302171878

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Top Forums Programming Need help in a c programme Post 302171878 by carl.alv on Friday 29th of February 2008 10:40:32 PM

02-29-2008

Registered User

Quote:

Originally Posted by user_prady

Dear Friends,

I ve two text files like
re_im.dat

Code:

  13.7663000000         5.9572200000
  10.2682000000        10.9345000000
  5.0810700000        14.1132000000

two real values per row
Sarf.dat

Code:

127 128 128 128  71 0
128 128 128 128  71 0
128 128 128 128  71 0

This is having 6 unsigned values per row.

I ve function in c which does some calculation depending on these inputs
from the above two file

The first two arguments to my c function are input from the file re_im.dat,
next 6 values to the function are from file Sarf.dat

the next two arguments to the function are output from that function to another function .

My problem is to read values and send as a pointer to the function..

The function is as below..

Code:

#include <stdio.h>
#include <math.h>

typedef unsigned int U;
typedef struct {U c; U d;} vec32;

void rf_model(double *input_re, double *input_im, vec32 *lsts, vec32 *vgagain, vec32 *dcout1i,\
 vec32 *dcout1q, vec32 *dcout2i, vec32 *dcout2q, double *adc_input_re, double *adc_input_im){

}

If my explanation is not clear pls let me know ..

need help badly..

regards,
Prady

Well, you could read the files with fscanf() and then store the values in to some array, which you can pass to your function.

carl.alv

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ppmtosixel

ppmtosixel(1)						      General Commands Manual						     ppmtosixel(1)

NAME

       ppmtosixel - convert a portable pixmap into DEC sixel format

SYNOPSIS

       ppmtosixel [-raw] [-margin] [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as input.  Produces sixel commands (SIX) as output.	The output is formatted for color printing, e.g. for a DEC
       LJ250 color inkjet printer.

       If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled.  A printer control header and a color assignment table
       begin the SIX file.  Image data is written in a compressed format by default.  A printer control footer ends the image file.

OPTIONS

       -raw   If  specified,  each  pixel  will  be explicitly described in the image file.  If -raw is not specified, output will default to com-
	      pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands.  A raw file is often an order	of  magni-
	      tude larger than a compressed file and prints much slower.

       -margin
	      If  -margin  is not specified, the image will be start at the left margin (of the window, paper, or whatever).  If -margin is speci-
	      fied, a 1.5 inch left margin will offset the image.

PRINTING

       Generally, sixel files must reach the printer unfiltered.  Use the lpr -x option or cat filename > /dev/tty0?.

BUGS

       Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion.  If the original PPM maxval was
       greater	than  100,  rescaling  also reduces the image depth.  While the actual RGB values from the ppm file are more or less retained, the
       color palette of the LJ250 may not match the colors on your screen.  This seems to be a printer limitation.

SEE ALSO

       ppm(5)

AUTHOR

       Copyright (C) 1991 by Rick Vinci.

								   26 April 1991						     ppmtosixel(1)

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