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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2011-01-16 16:42:37 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2011-01-16 16:42:37 +0000
commitb12676a5853278cf006fbc0908d35cb9d5ba7adc (patch)
treed5f9fa3730934400e8a107bce022ccd7da1bcf83 /libquadmath/math/cacosq.c
parentbcaa791fa18f28ae60c3bb1adc2594749123a026 (diff)
downloadgcc-b12676a5853278cf006fbc0908d35cb9d5ba7adc.tar.gz
PR fortran/46416
* quadmath.h (cacosq, cacoshq, casinq, casinhq, catanq, catanhq): New prototypes. (M_Eq, M_LOG2Eq, M_LOG10Eq, M_LN2q, M_LN10q, M_PIq, M_PI_2q, M_PI_4q, M_1_PIq, M_2_PIq, M_2_SQRTPIq, M_SQRT2q, M_SQRT1_2q): Define. * quadmath_weak.h (cacosq, cacoshq, casinq, casinhq, catanq, catanhq): Add. * quadmath-imp.h (fpclassifyq, QUADFP_NAN, QUADFP_INFINITE, QUADFP_ZERO, QUADFP_SUBNORMAL, QUADFP_NORMAL): Define. * quadmath.map (QUADMATH_1.0): Add cacosq, cacoshq, casinq, casinhq, catanq and catanhq. * Makefile.am (libquadmath_la_SOURCES): Add math/cacosq.c, math/cacoshq.c, math/casinq.c, math/casinhq.c, math/catanq.c and math/catanhq.c. * Makefile.in: Regenerated. * libquadmath.texi (cacosq, cacoshq, casinq, casinhq, catanq, catanhq): Add. * math/cacoshq.c: New file. * math/cacosq.c: New file. * math/catanq.c: New file. * math/catanhq.c: New file. * math/casinq.c: New file. * math/casinhq.c: New file. * math/hypotq.c (hypotq): Use Q suffix instead of L. * math/atan2q.c (tiny, pi_o_4, pi_o_2, pi, pi_lo, atan2q): Likewise. * math/cosq.c (cosq): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@168853 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libquadmath/math/cacosq.c')
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diff --git a/libquadmath/math/cacosq.c b/libquadmath/math/cacosq.c
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+/* Return cosine of complex __float128 value.
+ Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C 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.
+
+ The GNU C 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 the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include "quadmath-imp.h"
+
+__complex128
+cacosq (__complex128 x)
+{
+ __complex128 y;
+ __complex128 res;
+
+ y = casinq (x);
+
+ __real__ res = M_PI_2q - __real__ y;
+ __imag__ res = -__imag__ y;
+
+ return res;
+}