1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* $Id: x05c.c,v 1.15 2002/12/03 08:39:24 airwin Exp $
Histogram demo.
*/
#include "plcdemos.h"
#define NPTS 2047
/*--------------------------------------------------------------------------*\
* main
*
* Draws a histogram from sample data.
\*--------------------------------------------------------------------------*/
int
main(int argc, char *argv[])
{
int i;
PLFLT data[NPTS], delta;
/* Parse and process command line arguments */
(void) plParseOpts(&argc, argv, PL_PARSE_FULL);
/* Initialize plplot */
plinit();
/* Fill up data points */
delta = 2.0 * PI / (double) NPTS;
for (i = 0; i < NPTS; i++)
data[i] = sin(i * delta);
plcol0(1);
plhist(NPTS, data, -1.1, 1.1, 44, 0);
plcol0(2);
pllab("#frValue", "#frFrequency",
"#frPLplot Example 5 - Probability function of Oscillator");
plend();
exit(0);
}
|
