int main(void)
{
char name[20];
double a, b;
/* SET AVAILABLE FUNCTIONS */
strcpy(functiontable[0].name, "sin");
functiontable[0].f = sin;
++ functions;
strcpy(functiontable[1].name, "cos");
functiontable[1].f = cos;
++ functions;
strcpy(functiontable[2].name, "tan");
functiontable[2].f = tan;
++ functions;
strcpy(functiontable[3].name, "log");
functiontable[3].f = log;
++ functions;
strcpy(functiontable[4].name, "sqrt");
functiontable[4].f = sqrt;
++ functions;
strcpy(functiontable[5].name, "sin2");
functiontable[5].f = &sin2;
++ functions;
printf("Function name and parameters: ");
scanf("%s %lf %lf", name, &a, &b);
printf("f(a): %.2lf, f(b): %.2lf, zero: %.2lf\n", apply(name, a), apply(name, b), findzero(name, a, b));
plotfunction(name, a, b);
return 0;
}
/*
* two-wire constructor.
* Sets which wires should control the motor.
*/
void ATmStepper::ATmStepperInit(unsigned long step_freq_max, int motor1_pin, int motor2_pin, int motor_direction, int motor_enable, int x_lim, int y_lim)
{
velocity1x = 0; //set initial velocity
velocity1y = 0; //set initial velocity
posnew1x = 0;
posnew1y = 0;
pos1x = 0;
pos1y = 0;
running = 0;
// Arduino pins for the motor control connection:
_motorx_pin = motor1_pin;
_motory_pin = motor2_pin;
_motor_enable = motor_enable;
_motor_dir = motor_direction;
_x_lim = x_lim;
_y_lim = y_lim;
_step_freq_max = step_freq_max;
// setup the pins on the microcontroller:
pinMode(_motorx_pin, OUTPUT);
pinMode(_motory_pin, OUTPUT);
pinMode(_motor_dir, OUTPUT);
pinMode(_motor_enable, OUTPUT);
pinMode(_x_lim, INPUT);
pinMode(_y_lim, INPUT);
digitalWrite(_x_lim, HIGH); //enable pullups
digitalWrite(_y_lim, HIGH);
//init our timer to run at the max step speed (1000hz max) and to call the function step each time
MsTimer2::set(step_freq_max, ATmStepper::step);
//start the hardware timer
delay(30);
findzero();
}
int main(int argc, char **argv) {
(void)&argc; (void)&argv;
printf("%d\n", findzero(sq49));
return 0;
}
void game(int a[][4],int row,int col)
{
int key; //key to take the navigation key as input
int *z,t,i,j,k,l,p=1;//t is temp element,i j are rows and columns respectively
z=findzero(a,4,4); //z takes the address of box having zero
for(k=0;k<row;k++)
{
for(l=0;l<col;l++) //finding row and column of box having 0
{
if(a[k][l]==*z) //finding zero in the array
{
i=k; //row found
j=l; //column found
}
}
}
while(p==1) //to ensure that only 2,4,5,6,8 are entered
{
fflush(stdin);
scanf("%d",&key);
if(key==2 || key==4 || key==6 || key==8 || key==5)
break;
else
printf("Please press 2,4,5,6 or 8 !\n");
}
switch(key)
{
case 2: //down arrow key
{
t=*z;
*z=a[i+1][j]; //swapping of 0 and element in down of 0
a[i+1][j]=t;
printf("\n");
print(a,4,4); //printing the new matrix
check(a,4,4); //checking the order
break;
}
case 6: //right arrow key
{
if(i==3 && j==3)
{
printf("You can't throw out the blank one.\nReenter the navigation!\n");
game(a,4,4);
break;
}
else
{
t=*z;
*z=a[i][j+1]; //swapping of 0 and number right of it
a[i][j+1]=t;
printf("\n");
print(a,4,4); //printing the new matrix
check(a,4,4); //checking the order
break;
}
}
case 4: //left arrow key
{
if(i==0 && j==0)
{
printf("You can't throw out the blank one.\nReenter the navigation!\n");
game(a,4,4);
break;
}
else
{
t=*z;
*z=a[i][j-1]; //swapping of 0 and number left to it
a[i][j-1]=t;
printf("\n");
print(a,4,4); //printing the new matrix
check(a,4,4); //checking the order of new matrix
break;
}
}
case 8: //up arrow key
{
t=*z;
*z=a[i-1][j]; //swapping of 0 and number up to it
a[i-1][j]=t;
printf("\n");
print(a,4,4); //printing the new matrix
check(a,4,4); //checking the order of the new matrix
break;
}
case 5:
exit(0);
}
}
