2012-11-01 Tobias Burnus <burnus@net-b.de>

        * Makefile.am (libquadmath_la_SOURCES): Add new math/* files.
        * Makefile.in: Regenerated.
        * math/acoshq.c: Update comment.
        * math/acosq.c: Ditto.
        * math/asinhq.c: Ditto.
        * math/asinq.c: Ditto.
        * math/atan2q.c: Ditto.
        * math/atanhq.c: Ditto.
        * math/ceilq.c: Ditto.
        * math/copysignq.c: Ditto.
        * math/cosq.c: Ditto.
        * math/coshq.c: Ditto.
        * math/erfq.c: Ditto.
        * math/fabsq.c: Ditto.
        * math/finiteq.c: Ditto.
        * math/floorq.c: Ditto.
        * math/fmodq.c: Ditto.
        * math/frexpq.c: Ditto.
        * math/isnanq.c: Ditto.
        * math/j0q.c: Ditto.
        * math/j1q.c: Ditto.
        * math/ldexpq.c: Ditto.
        * math/llroundq.c: Ditto.
        * math/log10q.c: Ditto.
        * math/log1pq.c: Ditto.
        * math/log2q.c: Ditto.
        * math/logq.c: Ditto.
        * math/lroundq.c: Ditto.
        * math/modfq.c: Ditto.
        * math/nextafterq.c: Ditto.
        * math/powq.c: Ditto.
        * math/rem_pio2q.c: Ditto.
        * math/remainderq.c: Ditto.
        * math/rintq.c: Ditto.
        * math/roundq.c: Ditto.
        * math/scalblnq.c: Ditto.
        * math/scalbnq.c: Ditto.
        * math/sincosq_kernel.c: Ditto.
        * math/sinq.c: Ditto.
        * math/tanq.c: Ditto.
        * math/expq.c: Ditto.
        (__expq_table, expq): Renamed local array from __expl_table.
        * math/cosq_kernel.c (__quadmath_kernel_cosq): Fix sign
        * handling.
        * math/cacoshq.c: Changes from GLIBC; fix returned sign.
        * math/casinhq.c: Changes from GLIBC to fix special-case.
        * math/cbrtq.c: Use modified GLIBC version.
        * math/complex.c (ccoshd, cexpq, clog10q, clogq, csinhq, csinq,
        ctanhq, ctanq): Moved to separates files.
        (mult_c128, div_c128): Removed no longer needed functions.
        (cexpiq): Call sincosq instead of sinq and cosq.
        (cosq): Call cosh(-re,im) instead of cosq/sinq/sinh/cosh.
        * math/ccoshq.c (ccoshq): New file, moved from complex.c and
        modified based on GLIBC.
        * math/cexpq.c (cexp): Ditto.
        * math/clog10q.c (clog10q): Ditto.
        * math/clogq.c (clogq): Ditto.
        * math/csinhq.c: Ditto.
        * math/csinq.c: Ditto.
        * math/csqrtq.c: Ditto.
        * math/ctanhq.c: Ditto.
        * math/ctanq.c: Ditto.
        * math/fmaq.c (fmaq): Port TININESS_AFTER_ROUNDING handling
        from GLIBC.
        * math/ilogbq.c (ilogbq): Add errno = EDOM handling.
        * math/isinf_nsq.c (__quadmath_isinf_nsq): New file, ported
        from GLIBC.
        * math/lgammaq.c (lgammaq): Add signgam handling.
        * math/sinhq.c (sinhq): Fix sign handling.
        * math/sinq_kernel.c (__quadmath_kernel_sinq): Ditto.
        * math/tgammaq.c (tgammaq): Ditto.
        * math/x2y2m1q.c: New file.
        * quadmath-imp.h (TININESS_AFTER_ROUNDING): New define.
        (__quadmath_x2y2m1q, __quadmath_isinf_nsq): New prototypes.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193063 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 145 insertions, 0 deletions

diff --git a/libquadmath/math/ccoshq.c b/libquadmath/math/ccoshq.c
new file mode 100644
index 00000000000..8d55ad3a99d
--- /dev/null
+++ b/libquadmath/math/ccoshq.c
@@ -0,0 +1,145 @@
+/* Complex cosine hyperbole function for complex __float128.
+   Copyright (C) 1997-2012 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "quadmath-imp.h"
+
+#ifdef HAVE_FENV_H
+# include <fenv.h>
+#endif
+
+
+__complex128
+ccoshq (__complex128 x)
+{
+  __complex128 retval;
+  int rcls = fpclassifyq (__real__ x);
+  int icls = fpclassifyq (__imag__ x);
+
+  if (__builtin_expect (rcls >= QUADFP_ZERO, 1))
+    {
+      /* Real part is finite.  */
+      if (__builtin_expect (icls >= QUADFP_ZERO, 1))
+	{
+	  /* Imaginary part is finite.  */
+	  const int t = (int) ((FLT128_MAX_EXP - 1) * M_LN2q);
+	  __float128 sinix, cosix;
+
+	  if (__builtin_expect (icls != QUADFP_SUBNORMAL, 1))
+	    {
+	      sincosq (__imag__ x, &sinix, &cosix);
+	    }
+	  else
+	    {
+	      sinix = __imag__ x;
+	      cosix = 1.0Q;
+	    }
+
+	  if (fabsq (__real__ x) > t)
+	    {
+	      __float128 exp_t = expq (t);
+	      __float128 rx = fabsq (__real__ x);
+	      if (signbitq (__real__ x))
+		sinix = -sinix;
+	      rx -= t;
+	      sinix *= exp_t / 2.0Q;
+	      cosix *= exp_t / 2.0Q;
+	      if (rx > t)
+		{
+		  rx -= t;
+		  sinix *= exp_t;
+		  cosix *= exp_t;
+		}
+	      if (rx > t)
+		{
+		  /* Overflow (original real part of x > 3t).  */
+		  __real__ retval = FLT128_MAX * cosix;
+		  __imag__ retval = FLT128_MAX * sinix;
+		}
+	      else
+		{
+		  __float128 exp_val = expq (rx);
+		  __real__ retval = exp_val * cosix;
+		  __imag__ retval = exp_val * sinix;
+		}
+	    }
+	  else
+	    {
+	      __real__ retval = coshq (__real__ x) * cosix;
+	      __imag__ retval = sinhq (__real__ x) * sinix;
+	    }
+	}
+      else
+	{
+	  __imag__ retval = __real__ x == 0.0Q ? 0.0Q : nanq ("");
+	  __real__ retval = nanq ("") + nanq ("");
+
+#ifdef HAVE_FENV_H
+	  if (icls == QUADFP_INFINITE)
+	    feraiseexcept (FE_INVALID);
+#endif
+        }
+    }
+  else if (rcls == QUADFP_INFINITE)
+    {
+      /* Real part is infinite.  */
+      if (__builtin_expect (icls > QUADFP_ZERO, 1))
+	{
+	  /* Imaginary part is finite.  */
+	  __float128 sinix, cosix;
+
+	  if (__builtin_expect (icls != QUADFP_SUBNORMAL, 1))
+	    {
+	      sincosq (__imag__ x, &sinix, &cosix);
+	    }
+	  else
+	    {
+	      sinix = __imag__ x;
+	      cosix = 1.0Q;
+	    }
+
+	  __real__ retval = copysignq (HUGE_VALQ, cosix);
+	  __imag__ retval = (copysignq (HUGE_VALQ, sinix)
+			     * copysignq (1.0Q, __real__ x));
+	}
+      else if (icls == QUADFP_ZERO)
+	{
+	  /* Imaginary part is 0.0.  */
+	  __real__ retval = HUGE_VALQ;
+	  __imag__ retval = __imag__ x * copysignq (1.0Q, __real__ x);
+	}
+      else
+	{
+	  /* The addition raises the invalid exception.  */
+	  __real__ retval = HUGE_VALQ;
+	  __imag__ retval = nanq ("") + nanq ("");
+
+#ifdef HAVE_FENV_H
+	  if (icls == QUADFP_INFINITE)
+	    feraiseexcept (FE_INVALID);
+#endif
+	 }
+    }
+  else
+    {
+      __real__ retval = nanq ("");
+      __imag__ retval = __imag__ x == 0.0 ? __imag__ x : nanq ("");
+    }
+
+  return retval;
+}