shrub/jets/c/dvr.c

46 lines
735 B
C

/* j/3/dvr.c
**
*/
#include "all.h"
/* functions
*/
u3_noun
u3qc_dvr(u3_atom a,
u3_atom b)
{
if ( 0 == b) {
return u3m_bail(c3__exit);
}
else {
if ( _(u3a_is_cat(a)) && _(u3a_is_cat(b)) ) {
return u3nc(a / b, a % b);
}
else {
mpz_t a_mp, b_mp;
u3r_mp(a_mp, a);
u3r_mp(b_mp, b);
mpz_tdiv_qr(a_mp, b_mp, a_mp, b_mp);
return u3nc(u3k(u3i_mp(a_mp)), u3k(u3i_mp(b_mp)));
}
}
}
u3_noun
u3wc_dvr(u3_noun cor)
{
u3_noun a, b;
if ( (c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0)) ||
(c3n == u3ud(a)) )
{
return u3m_bail(c3__exit);
} else {
return u3qc_dvr(a, b);
}
}