Revision 0235e325b60dcbd41bc82cdee55b5e3940e70b3e authored by Matthias J. Kannwischer on 29 September 2021, 02:52:07 UTC, committed by rpls on 01 October 2021, 16:14:07 UTC
1 parent 9896316
sendfn.h
``````#ifndef SENDFN_H
#define SENDFN_H

#include "hal.h"

__attribute__((unused))
static void send_unsigned(const char *s, unsigned int c) {
int i = 0;
char outs = {0};
if (c < 10) {
outs = '0' + c;
} else {
for (i = 9; c != 0; c /= 10, i -= 1) {
unsigned d = c % 10;
outs[i] = '0' + d;
}
i += 1;
}
hal_send_str(s);
hal_send_str(outs + i);
}

__attribute__((unused))
static void send_unsignedll(const char *s, unsigned long long c) {
int i = 0;
char outs = {0};
if (c < 10) {
outs = '0' + c;
} else {
i = 19;
while (c != 0) {
/* Method adapted from ""hackers delight":
Creates an approximation of q = (8/10) */
unsigned long long q = (c >> 1) + (c >> 2);
q = q + (q >> 4);
q = q + (q >> 8);
q = q + (q >> 16);
q = q + (q >> 32);
/* Now q = (1/10) */
q = q >> 3;
/* Since q contains an error due to the bits shifted out of the value, we
only use it to determine the remainder.  */
unsigned long long r = c - ((q << 3) + (q << 1));
c = q;
/* The remainder might be off by 10, so q may be off by 1 */
if (r > 9) {
c += 1;
r -= 10;
}
outs[i] = '0' + (unsigned) r;
i -= 1;
}
i += 1;
}
hal_send_str(s);
hal_send_str(outs + i);
}

#endif /* SENDFN_H */

`````` Computing file changes ...