hi, i have some problems with math.h

[platon16382]

hello , i was working with math.h header file in pcwh 3.207 compiler , when i use the wizard its works. but when i dont use the wizard and i include the library it dont work.

my code is :

#device PIC16F877

#include <defs_877.h>
#include <lcd_out.h>
#include <lcd_out.c>
#include <math.h>

void main(void)
{

float p;



while(1)
{

lcd_cursor_pos(0, 0);

printf(lcd_char, "multiplicacion 5*2.5");
lcd_cursor_pos(2, 0);

p = 5-2.5;

printf(lcd_char," p = %f", p);
}
}

I'm a new user of ccs, someone can help me
thanks for all

[PCM programmer]

[Guest]