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- #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 || (sizeof(mpdigit) > sizeof(uint) && x > MAXUINT))
- x = MAXUINT;
- return x;
- }
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