int main( void )
{
if( test_function( 0xffffffff ) ) fail( __LINE__ );
if( rshift_i( 256 ) != 8 ) fail( __LINE__ );
if( rshift_i( -256 ) != -8 ) fail( __LINE__ );
if( lshift_i( 3 ) != 24 ) fail( __LINE__ );
if( lshift_i( -3 ) != -24 ) fail( __LINE__ );
if( div_i( -1 ) != 0 ) fail( __LINE__ );
if( div_i( 100000 ) != 1 ) fail( __LINE__ );
if( mod_i( -1 ) != -1 ) fail( __LINE__ );
if( mod_i( -100000 ) != -13600 ) fail( __LINE__ );
if( div_f( -1 ) != -0.25 ) fail( __LINE__ );
if( div_f( 10 ) != 2.5 ) fail( __LINE__ );
_PASS;
}
/**
* @brief Tlacitko pro rovna se - provede se vypocet operaci o dvou operandech
*/
void MainWindow::rovno() {
druhyNum = value.toDouble();
switch (proces) {
/* pouze cislo */
case -1:
total = QString::number(druhyNum);
lcd -> display(total);
break;
case 0:
total = QString::number(druhyNum);
lcd -> display(total);
break;
/* scitani */
case 1:
total = QString::number(add_f( prvniNum, druhyNum), 'g');
lcd -> display(total);
break;
/* odcitani */
case 2:
total = QString::number(sub_f( prvniNum, druhyNum), 'g');
lcd -> display(total);
break;
/* nasobeni */
case 3:
total = QString::number(mul_f( prvniNum, druhyNum), 'g');
lcd -> display(total);
break;
/* deleni */
case 4:
if(druhyNum != 0) {
total = QString::number(div_f( prvniNum, druhyNum), 'g');
lcd -> display(total);
} else {
total = "0";
lcd -> display("Err04");
}
break;
/* mocnina */
case 5:
if((druhyNum - int(druhyNum)) != 0) {
total = "0";
lcd -> display("Err05");
} else {
druhyNum_int = int(druhyNum);
total = QString::number(pow_f( prvniNum, druhyNum_int), 'g');
lcd -> display(total);
}
break;
/* default = error */
default:
lcd -> display("Err42");
}
prvniNum = total.toDouble();
if (total == "0")
total = "";
value = total;
proces = -1;
total = "";
}