ref: 1c4c82277ea368739af6a4666ae530bbcfae71cb
dir: /sys/src/libmp/port/mptoui.c/
#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); setmalloctag(b, getcallerpc(&i)); } *b->p = i; b->top = 1; b->sign = 1; return mpnorm(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; }