User manual

ManualsBrandsMICROCHIP TECHNOLOGY ManualsDev KitsPCB design board

351

352

353

354

355

356

357

358

359

360

MPLAB

XC8 C Compiler User’s Guide

DS52053B-page 356  2012 Microchip Technology Inc.

Example

#include <stdlib.h>

#include <stdio.h>

#include <time.h>

void

main (void)

{

time_t toc;

int i;

time(&toc);

srand((int)toc);

for(i = 0 ; i != 10 ; i++)

printf("%d\t", rand());

putchar(’\n’);

}

See Also

srand()

Note

The example will require the user to provide the time() routine as one cannot be

supplied with the compiler. See time() for more detail.

ROUND

Synopsis

#include <math.h>

double round (double x)

Description

The round function round the argument to the nearest integer value, but in

floating-point format. Values midway between integer values are rounded up.

Example

#include <math.h>

void

main (void)

{

double input, rounded;

input = 1234.5678;

rounded = round(input);

}