FPU.LABS(); // A = |A|
example 1:
#include<LCD4_128.h>
#include<FPU_128.h>
void main()
{
long a;
long b;
Init_Fpu(); // Initialize FPU
Lcd_init(); // Initialize LCD
a = -5;
FPU.LWRITEA(1,a);
FPU.LABS();
a = FPU.READLONG();
LCD.PRINT(a);
}
//result : will print 5