Import Upstream version 0.8.2

[platform/upstream/mpc.git] / src / acosh.c

diff --git a/src/acosh.c b/src/acosh.c
index 782f555..19af3f2 100644 (file)
--- a/src/acosh.c
+++ b/src/acosh.c
@@ -1,22 +1,23 @@
 /* mpc_acosh -- inverse hyperbolic cosine of a complex number.
 
-Copyright (C) 2009, 2011, 2012 INRIA
+Copyright (C) 2009 Philippe Th\'eveny, Paul Zimmermann
 
-This file is part of GNU MPC.
+This file is part of the MPC Library.
 
-GNU MPC 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 3 of the License, or (at your
+The MPC 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 2.1 of the License, or (at your
 option) any later version.
 
-GNU MPC 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.
+The MPC 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.
 
 You should have received a copy of the GNU Lesser General Public License
-along with this program. If not, see http://www.gnu.org/licenses/ .
-*/
+along with the MPC Library; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
 
 #include "mpc-impl.h"
 
@@ -33,38 +34,38 @@ mpc_acosh (mpc_ptr rop, mpc_srcptr op, mpc_rnd_t rnd)
   mpfr_t tmp;
   int inex;
 
-  if (mpfr_zero_p (mpc_realref (op)) && mpfr_nan_p (mpc_imagref (op)))
+  if (mpfr_zero_p (MPC_RE (op)) && mpfr_nan_p (MPC_IM (op)))
     {
-      mpfr_set_nan (mpc_realref (rop));
-      mpfr_set_nan (mpc_imagref (rop));
+      mpfr_set_nan (MPC_RE (rop));
+      mpfr_set_nan (MPC_IM (rop));
       return 0;
     }
-
+  
   /* Note reversal of precisions due to later multiplication by i or -i */
   mpc_init3 (a, MPC_PREC_IM(rop), MPC_PREC_RE(rop));
 
-  if (mpfr_signbit (mpc_imagref (op)))
+  if (mpfr_signbit (MPC_IM (op)))
     {
       inex = mpc_acos (a, op,
-                       MPC_RND (INV_RND (MPC_RND_IM (rnd)), MPC_RND_RE (rnd)));
+                       RNDC (INV_RND (MPC_RND_IM (rnd)), MPC_RND_RE (rnd)));
 
       /* change a to -i*a, i.e., -y+i*x to x+i*y */
-      tmp[0] = mpc_realref (a)[0];
-      mpc_realref (a)[0] = mpc_imagref (a)[0];
-      mpc_imagref (a)[0] = tmp[0];
-      MPFR_CHANGE_SIGN (mpc_imagref (a));
+      tmp[0] = MPC_RE (a)[0];
+      MPC_RE (a)[0] = MPC_IM (a)[0];
+      MPC_IM (a)[0] = tmp[0];
+      MPFR_CHANGE_SIGN (MPC_IM (a));
       inex = MPC_INEX (MPC_INEX_IM (inex), -MPC_INEX_RE (inex));
     }
   else
     {
       inex = mpc_acos (a, op,
-                       MPC_RND (MPC_RND_IM (rnd), INV_RND(MPC_RND_RE (rnd))));
+                       RNDC (MPC_RND_IM (rnd), INV_RND(MPC_RND_RE (rnd))));
 
       /* change a to i*a, i.e., y-i*x to x+i*y */
-      tmp[0] = mpc_realref (a)[0];
-      mpc_realref (a)[0] = mpc_imagref (a)[0];
-      mpc_imagref (a)[0] = tmp[0];
-      MPFR_CHANGE_SIGN (mpc_realref (a));
+      tmp[0] = MPC_RE (a)[0];
+      MPC_RE (a)[0] = MPC_IM (a)[0];
+      MPC_IM (a)[0] = tmp[0];
+      MPFR_CHANGE_SIGN (MPC_RE (a));
       inex = MPC_INEX (-MPC_INEX_IM (inex), MPC_INEX_RE (inex));
     }