1 files changed, 46 insertions, 0 deletions
diff --git a/gnu/lib/libgmp/mpz_neg.c b/gnu/lib/libgmp/mpz_neg.c
new file mode 100644
index 0000000..560077f
--- /dev/null
+++ b/gnu/lib/libgmp/mpz_neg.c
@@ -0,0 +1,46 @@
+/* mpz_neg(MP_INT *dst, MP_INT *src) -- Assign the negated value of SRC to DST.
+
+Copyright (C) 1991 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 the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+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 a copy of the GNU General Public License
+along with the GNU MP Library; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+void
+#ifdef __STDC__
+mpz_neg (MP_INT *dst, const MP_INT *src)
+#else
+mpz_neg (dst, src)
+     MP_INT *dst;
+     const MP_INT *src;
+#endif
+{
+  mp_size src_size = src->size;
+
+  if (src != dst)
+    {
+      mp_size abs_src_size = ABS (src_size);
+
+      if (dst->alloc < abs_src_size)
+	_mpz_realloc (dst, abs_src_size);
+
+      MPN_COPY (dst->d, src->d, abs_src_size);
+    }
+
+  dst->size = -src_size;
+}