add cfrac benchmark

1 files changed, 55 insertions, 0 deletions

diff --git a/src/benchmarks/cfrac/pfactor.c b/src/benchmarks/cfrac/pfactor.c
new file mode 100644
index 0000000..6c765d1
--- /dev/null
+++ b/src/benchmarks/cfrac/pfactor.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include "precision.h"
+#include "pfactor.h"
+
+void showfactors();
+
+
+int main(argc, argv)
+   int argc;
+   char *argv[];
+{
+   precision n = pUndef;
+
+   --argc;
+   if (argc != 0) {
+      do {
+	 pset(&n, atop(*++argv));
+	 showfactors(n);
+      } while (--argc > 0);
+   } else {
+      do {
+	 pset(&n, fgetp(stdin));
+	 if (n == pUndef) break;
+	 showfactors(n);
+      } while (1);
+   }
+   pdestroy(n);
+   return 0;
+}
+
+void showfactors(n)
+   precision n;
+{
+   precision r = pUndef;
+   FactorList factors = (FactorList) 0;
+
+   (void) pparm(n);
+   pset(&r, ptrial(n, (unsigned *) 0, &factors));
+   fputp(stdout, n);
+   fputs(" = ", stdout);
+   pputfactors(stdout, factors);
+   if pne(r, pone) {
+      if pne(r, n) putc('*', stdout);
+      if (!pprime(r, 16)) {
+	 fputc('(', stdout); fputp(stdout, r); fputc(')', stdout);
+      } else {
+	 fputp(stdout, r);
+      }
+   }
+   putc('\n', stdout);
+
+   pfreefactors(&factors);
+   pdestroy(r);
+   pdestroy(n);
+}