File: mptoui.c

package info (click to toggle)
drawterm 20170818-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye, buster, forky, sid, trixie
  • size: 3,124 kB
  • ctags: 5,803
  • sloc: ansic: 55,900; python: 2,501; makefile: 570; asm: 20
file content (35 lines) | stat: -rw-r--r-- 413 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
#include "os.h"
#include <mp.h>
#include "dat.h"

/*
 *  this code assumes that mpdigit is at least as
 *  big as an int.
 */

mpint*
uitomp(uint i, mpint *b)
{
	if(b == nil)
		b = mpnew(0);
	mpassign(mpzero, b);
	if(i != 0)
		b->top = 1;
	*b->p = i;
	return b;
}

uint
mptoui(mpint *b)
{
	uint x;

	x = *b->p;
	if(b->sign < 0){
		x = 0;
	} else {
		if(b->top > 1 || x > MAXUINT)
			x =  MAXUINT;
	}
	return x;
}