Microchip Technology XC8 Standard Compiler (Workstation) SW006021-1 SW006021-1 ユーザーズマニュアル

®

DS52053B-page 332

 2012 Microchip Technology Inc.

#include <math.h>

 

double fabs (double f)

This routine returns the absolute value of its double argument.

#include <stdio.h>

#include <math.h>

void 

main (void)

{

    printf("%f %f\n", fabs(1.5), fabs(-1.5));

}

abs()

, labs()

These functions are now supplied in the peripheral library. See the peripheral library 
documentation for full information on this library function.

#include <math.h>

 

double floor (double f)

This routine returns the largest whole number not greater than 

f

.

#include <stdio.h>

#include <math.h>

void 

main (void)

{

    printf("%f\n", floor( 1.5 ));

    printf("%f\n", floor( -1.5));

}