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-rw-r--r--src/libbiguint/bu_div.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/libbiguint/bu_div.c b/src/libbiguint/bu_div.c
new file mode 100644
index 0000000..c7718e2
--- /dev/null
+++ b/src/libbiguint/bu_div.c
@@ -0,0 +1,23 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/uint32.h>
+#include <skalibs/biguint.h>
+
+int bu_div (uint32 const *a, unsigned int an, uint32 const *b, unsigned int bn, uint32 *q, unsigned int qn, uint32 *r, unsigned int rn)
+{
+ unsigned int alen = bu_len(a, an) ;
+ unsigned int blen = bu_len(b, bn) ;
+ if (!blen) return (errno = EDOM, 0) ;
+ else
+ {
+ uint32 qq[alen] ;
+ uint32 rr[alen] ;
+ register int qh, rh ;
+ bu_copy_internal(rr, a, alen) ;
+ bu_div_internal(rr, alen, b, blen, qq, alen) ;
+ qh = bu_copy(q, qn, qq, alen) ;
+ rh = bu_copy(r, rn, rr, alen) ;
+ return qh && rh ;
+ }
+}