usr/src/lib/libm/common/complex/cacosf.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  24  */
  25 /*
  26  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29
  30 #pragma weak __cacosf = cacosf
  31
  32 #include "libm.h"
  33 #include "complex_wrapper.h"
  34
  35 fcomplex
  36 cacosf(fcomplex z) {
  37         dcomplex dz, dans;
  38         fcomplex ans;
  39
  40         D_RE(dz) = (double) (F_RE(z));
  41         D_IM(dz) = (double) (F_IM(z));
  42         dans = cacos(dz);
  43         F_RE(ans) = (float) (D_RE(dans));
  44         F_IM(ans) = (float) (D_IM(dans));
  45         return (ans);
  46 }