fa23b18209
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. From-SVN: r168853
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/* Return arc sine of complex __float128 value.
|
|
Copyright (C) 1997 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
|
|
casinq (__complex128 x)
|
|
{
|
|
__complex128 res;
|
|
|
|
if (isnanq (__real__ x) || isnanq (__imag__ x))
|
|
{
|
|
if (__real__ x == 0.0)
|
|
{
|
|
res = x;
|
|
}
|
|
else if (isinfq (__real__ x) || isinfq (__imag__ x))
|
|
{
|
|
__real__ res = nanq ("");
|
|
__imag__ res = copysignq (HUGE_VALQ, __imag__ x);
|
|
}
|
|
else
|
|
{
|
|
__real__ res = nanq ("");
|
|
__imag__ res = nanq ("");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
__complex128 y;
|
|
|
|
__real__ y = -__imag__ x;
|
|
__imag__ y = __real__ x;
|
|
|
|
y = casinhq (y);
|
|
|
|
__real__ res = __imag__ y;
|
|
__imag__ res = -__real__ y;
|
|
}
|
|
|
|
return res;
|
|
}
|