Revert "Remove gmp from AOS"
This reverts commit f37c97684f0910a3f241394549392f00145ab0f7.
We need gmp for SymEngine for symbolicmanipultion in C++
Change-Id: Ia13216d1715cf96944f7b4f422b7a799f921d4a4
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/third_party/gmp/mpf/out_str.c b/third_party/gmp/mpf/out_str.c
new file mode 100644
index 0000000..1802d0f
--- /dev/null
+++ b/third_party/gmp/mpf/out_str.c
@@ -0,0 +1,116 @@
+/* mpf_out_str (stream, base, n_digits, op) -- Print N_DIGITS digits from
+ the float OP to STREAM in base BASE. Return the number of characters
+ written, or 0 if an error occurred.
+
+Copyright 1996, 1997, 2001, 2002, 2005, 2011 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at your
+ option) any later version.
+
+or
+
+ * the GNU General Public License as published by the Free Software
+ Foundation; either version 2 of the License, or (at your option) any
+ later version.
+
+or both in parallel, as here.
+
+The GNU MP 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 General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library. If not,
+see https://www.gnu.org/licenses/. */
+
+#define _GNU_SOURCE /* for DECIMAL_POINT in langinfo.h */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#if HAVE_LANGINFO_H
+#include <langinfo.h> /* for nl_langinfo */
+#endif
+
+#if HAVE_LOCALE_H
+#include <locale.h> /* for localeconv */
+#endif
+
+#include "gmp-impl.h"
+#include "longlong.h"
+
+
+size_t
+mpf_out_str (FILE *stream, int base, size_t n_digits, mpf_srcptr op)
+{
+ char *str;
+ mp_exp_t exp;
+ size_t written;
+ TMP_DECL;
+
+ TMP_MARK;
+
+ if (base == 0)
+ base = 10;
+ if (n_digits == 0)
+ MPF_SIGNIFICANT_DIGITS (n_digits, base, op->_mp_prec);
+
+ if (stream == 0)
+ stream = stdout;
+
+ /* Consider these changes:
+ * Don't allocate memory here for huge n_digits; pass NULL to mpf_get_str.
+ * Make mpf_get_str allocate extra space when passed NULL, to avoid
+ allocating two huge string buffers.
+ * Implement more/other allocation reductions tricks. */
+
+ str = (char *) TMP_ALLOC (n_digits + 2); /* extra for minus sign and \0 */
+
+ mpf_get_str (str, &exp, base, n_digits, op);
+ n_digits = strlen (str);
+
+ written = 0;
+
+ /* Write sign */
+ if (str[0] == '-')
+ {
+ str++;
+ fputc ('-', stream);
+ written = 1;
+ n_digits--;
+ }
+
+ {
+ const char *point = GMP_DECIMAL_POINT;
+ size_t pointlen = strlen (point);
+ putc ('0', stream);
+ fwrite (point, 1, pointlen, stream);
+ written += pointlen + 1;
+ }
+
+ /* Write mantissa */
+ {
+ size_t fwret;
+ fwret = fwrite (str, 1, n_digits, stream);
+ written += fwret;
+ }
+
+ /* Write exponent */
+ {
+ int fpret;
+ fpret = fprintf (stream, (base <= 10 ? "e%ld" : "@%ld"), exp);
+ written += fpret;
+ }
+
+ TMP_FREE;
+ return ferror (stream) ? 0 : written;
+}