plotexscale.c

speech signal process tools

/*--------------------------------------------------------------+
| ENTROPIC PROCESSING, INC.					|
|								|
| This material contains proprietary software of Entropic	|
| Processing, Inc.  Any reproduction, distribution, or		|
| publication without the the prior written permission of	|
| Entropic Processing, Inc.  is strictly prohibited.  Any	|
| public distribution of copies of this work authorized in	|
| writing by Entropic Processing, Inc.  must bear the notice 	|
|								|
|          "Copyright 1986 Entropic Processing, Inc."           |
|								|
+---------------------------------------------------------------+
|								|
| plotscale -- find exact numbers for plot boundaries.		|
|								|
| John Shore, Entropic Processing, Inc.   			|
|      A complete and ugly hack based on plotscale              |
+--------------------------------------------------------------*/
#include <stdio.h>
double pow (), log10 ();
static char *sccs_id = "@(#)plotexscale.c	1.1 9/23/86 EPI";

void
plotexscale (vmin, vmax, mindif, p_vmin, p_vmax, p_vtick, p_ndp)
double    vmin, vmax, mindif, *p_vmin, *p_vmax, *p_vtick;
int     *p_ndp;
{
    double   diff = vmax - vmin, teno, div, adiff;
    int     o, adj, nticks;
    if (diff < 0.0) diff = mindif;
    nticks = 4;
	div = teno / 2;
    div = diff / nticks;
    *p_vtick = div;
	*p_ndp = 0;
    return;
}