void main(){
unsigned int out = 69;
char len = get_num_len(out);
char str[len] = ""; // must
char zz;
for(zz = 0; zz < len; zz = zz + 1){
str[zz] = (48+nthdigit(out,len-1-zz));
}
//strcat(str,". Zahl"); // TESTING SOON
while(1){
}
}
void div(uint32_t n1, uint32_t n2)
{
uint32_t width = get_width(n1, n2);
uint32_t height = get_height(n1, n2);
char **array = new char *[height];
if(NULL == array)
{
cerr << "memory allocate failed." << endl;
exit(-1);
}
array[0] = new char[width * height];
if(NULL == array[0])
{
cerr << "memory allocate failed." << endl;
exit(-1);
}
for(uint32_t i=1; i<height; i++)
{
array[i] = array[i-1] + width;
}
memset(array[0], ' ', width * height);
uint32_t row = 0;
//quocient
uint32_t quo = n1 / n2;
put_in_num(array[row++], width, quo, 0);
// /------
uint32_t dash_len = get_num_len(n1) + 1;
put_in_dash(array[row++], width, dash_len);
array[1][width - dash_len -1] = '/';
//longest line
char line[128] = {'\0'};
snprintf(line, sizeof(line), "%u | %u", n2, n1);
strncpy(array[row++], line, width);
char n1str[128] = {'\0'};
snprintf(n1str, sizeof(n1str), "%u", n1);
uint32_t n1len = strlen(n1str);
uint32_t pos = 0; //pos of char in n1str, from left to right
char tmp[128];
memset(tmp, '\0', sizeof(tmp)); //need to set all space to null
uint32_t tmpnum = 0;
uint32_t rem = 0;
uint32_t qot = 0;
//find the first output of quocient, different from the remains
for(pos = 0; pos<n1len; pos++)
{
strncpy(tmp, n1str, pos+1);
tmpnum = strtoul(tmp, NULL, 0);
//tmpnum == n2 also ok, otherwise ,if n1 < n2, pos == n1len-1 will be the last
if(tmpnum >= n2 || pos == n1len-1)
{
qot = tmpnum / n2;
rem = tmpnum % n2;
put_in_num(array[row++], width, n2*qot, n1len-pos-1);
break;
}
}
dash_len = n1len;
//then begin the loop
for(; pos<n1len; pos++)
{
//the dash
put_in_dash(array[row++], width, dash_len--);
//put the remainder and the next char in n1str
uint32_t len = 0;
//only if rem !=0 and is not the last round
if(rem != 0 || (rem ==0 && pos == n1len-1))
{
snprintf(tmp, sizeof(tmp), "%u", rem);
len = strlen(tmp);
}
if(pos == n1len - 1) //last round, no next char, just rem
{
uint32_t offset = width-len;
strncpy(array[row++]+offset, tmp, width);
break;
}
tmp[len] = n1str[pos+1];
tmp[len+1] = '\0';
tmpnum = strtoul(tmp, NULL, 0);
put_in_num(array[row++], width, tmpnum, n1len-pos-2);
//decide the next line
qot = tmpnum / n2;
put_in_num(array[row++], width, n2*qot, n1len-pos-2);
rem = tmpnum % n2;
}
//output
out_put_array(array, width, height);
delete[] array[0];
delete[] array;
}
