At long last, import the bcmath library, by Phil Nelson

1 files changed, 84 insertions, 0 deletions

diff --git a/ext/bcmath/libbcmath/src/int2num.c b/ext/bcmath/libbcmath/src/int2num.c
new file mode 100644
index 0000000000..34419c138f
--- /dev/null
+++ b/ext/bcmath/libbcmath/src/int2num.c
@@ -0,0 +1,84 @@
+/* int2num.c: bcmath library file. */
+/*
+    Copyright (C) 1991, 1992, 1993, 1994, 1997 Free Software Foundation, Inc.
+    Copyright (C) 2000 Philip A. Nelson
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.  (COPYING.LIB)
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to:
+
+      The Free Software Foundation, Inc.
+      59 Temple Place, Suite 330
+      Boston, MA 02111-1307 USA.
+
+    You may contact the author by:
+       e-mail:  philnelson@acm.org
+      us-mail:  Philip A. Nelson
+                Computer Science Department, 9062
+                Western Washington University
+                Bellingham, WA 98226-9062
+       
+*************************************************************************/
+
+#include <config.h>
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include "bcmath.h"
+#include "private.h"
+
+
+/* Convert an integer VAL to a bc number NUM. */
+
+void
+bc_int2num (num, val)
+     bc_num *num;
+     int val;
+{
+  char buffer[30];
+  char *bptr, *vptr;
+  int  ix = 1;
+  char neg = 0;
+
+  /* Sign. */
+  if (val < 0)
+    {
+      neg = 1;
+      val = -val;
+    }
+
+  /* Get things going. */
+  bptr = buffer;
+  *bptr++ = val % BASE;
+  val = val / BASE;
+
+  /* Extract remaining digits. */
+  while (val != 0)
+    {
+      *bptr++ = val % BASE;
+      val = val / BASE;
+      ix++; 		/* Count the digits. */
+    }
+
+  /* Make the number. */
+  bc_free_num (num);
+  *num = bc_new_num (ix, 0);
+  if (neg) (*num)->n_sign = MINUS;
+
+  /* Assign the digits. */
+  vptr = (*num)->n_value;
+  while (ix-- > 0)
+    *vptr++ = *--bptr;
+}
+