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authorPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-06-28 14:28:04 -0500
committerPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-08-29 12:43:38 -0500
commitfeb62ddacb7b1d772d7383de0228a3977f07fc1e (patch)
tree963280635eb242a98f191744c196d55fadc2550f /math/s_csqrt.c
parent1dbc54f61e281d3f2c1712dadd12864c42f8a64a (diff)
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Convert remaining complex function to generated files
Convert cpow, clog, clog10, cexp, csqrt, and cproj functions
into generated templates.  Note, ldbl-opt still retains
s_clog10l.c as the aliasing rules are non-trivial.
Diffstat (limited to 'math/s_csqrt.c')
-rw-r--r--math/s_csqrt.c165
1 files changed, 0 insertions, 165 deletions
diff --git a/math/s_csqrt.c b/math/s_csqrt.c
deleted file mode 100644
index 1f073e7f17..0000000000
--- a/math/s_csqrt.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/* Complex square root of double value.
-   Copyright (C) 1997-2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Based on an algorithm by Stephen L. Moshier <moshier@world.std.com>.
-   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 <complex.h>
-#include <math.h>
-#include <math_private.h>
-#include <float.h>
-
-__complex__ double
-__csqrt (__complex__ double x)
-{
-  __complex__ double res;
-  int rcls = fpclassify (__real__ x);
-  int icls = fpclassify (__imag__ x);
-
-  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
-    {
-      if (icls == FP_INFINITE)
-	{
-	  __real__ res = HUGE_VAL;
-	  __imag__ res = __imag__ x;
-	}
-      else if (rcls == FP_INFINITE)
-	{
-	  if (__real__ x < 0.0)
-	    {
-	      __real__ res = icls == FP_NAN ? __nan ("") : 0;
-	      __imag__ res = __copysign (HUGE_VAL, __imag__ x);
-	    }
-	  else
-	    {
-	      __real__ res = __real__ x;
-	      __imag__ res = (icls == FP_NAN
-			      ? __nan ("") : __copysign (0.0, __imag__ x));
-	    }
-	}
-      else
-	{
-	  __real__ res = __nan ("");
-	  __imag__ res = __nan ("");
-	}
-    }
-  else
-    {
-      if (__glibc_unlikely (icls == FP_ZERO))
-	{
-	  if (__real__ x < 0.0)
-	    {
-	      __real__ res = 0.0;
-	      __imag__ res = __copysign (__ieee754_sqrt (-__real__ x),
-					 __imag__ x);
-	    }
-	  else
-	    {
-	      __real__ res = fabs (__ieee754_sqrt (__real__ x));
-	      __imag__ res = __copysign (0.0, __imag__ x);
-	    }
-	}
-      else if (__glibc_unlikely (rcls == FP_ZERO))
-	{
-	  double r;
-	  if (fabs (__imag__ x) >= 2.0 * DBL_MIN)
-	    r = __ieee754_sqrt (0.5 * fabs (__imag__ x));
-	  else
-	    r = 0.5 * __ieee754_sqrt (2.0 * fabs (__imag__ x));
-
-	  __real__ res = r;
-	  __imag__ res = __copysign (r, __imag__ x);
-	}
-      else
-	{
-	  double d, r, s;
-	  int scale = 0;
-
-	  if (fabs (__real__ x) > DBL_MAX / 4.0)
-	    {
-	      scale = 1;
-	      __real__ x = __scalbn (__real__ x, -2 * scale);
-	      __imag__ x = __scalbn (__imag__ x, -2 * scale);
-	    }
-	  else if (fabs (__imag__ x) > DBL_MAX / 4.0)
-	    {
-	      scale = 1;
-	      if (fabs (__real__ x) >= 4.0 * DBL_MIN)
-		__real__ x = __scalbn (__real__ x, -2 * scale);
-	      else
-		__real__ x = 0.0;
-	      __imag__ x = __scalbn (__imag__ x, -2 * scale);
-	    }
-	  else if (fabs (__real__ x) < 2.0 * DBL_MIN
-		   && fabs (__imag__ x) < 2.0 * DBL_MIN)
-	    {
-	      scale = -((DBL_MANT_DIG + 1) / 2);
-	      __real__ x = __scalbn (__real__ x, -2 * scale);
-	      __imag__ x = __scalbn (__imag__ x, -2 * scale);
-	    }
-
-	  d = __ieee754_hypot (__real__ x, __imag__ x);
-	  /* Use the identity   2  Re res  Im res = Im x
-	     to avoid cancellation error in  d +/- Re x.  */
-	  if (__real__ x > 0)
-	    {
-	      r = __ieee754_sqrt (0.5 * (d + __real__ x));
-	      if (scale == 1 && fabs (__imag__ x) < 1.0)
-		{
-		  /* Avoid possible intermediate underflow.  */
-		  s = __imag__ x / r;
-		  r = __scalbn (r, scale);
-		  scale = 0;
-		}
-	      else
-		s = 0.5 * (__imag__ x / r);
-	    }
-	  else
-	    {
-	      s = __ieee754_sqrt (0.5 * (d - __real__ x));
-	      if (scale == 1 && fabs (__imag__ x) < 1.0)
-		{
-		  /* Avoid possible intermediate underflow.  */
-		  r = fabs (__imag__ x / s);
-		  s = __scalbn (s, scale);
-		  scale = 0;
-		}
-	      else
-		r = fabs (0.5 * (__imag__ x / s));
-	    }
-
-	  if (scale)
-	    {
-	      r = __scalbn (r, scale);
-	      s = __scalbn (s, scale);
-	    }
-
-	  math_check_force_underflow (r);
-	  math_check_force_underflow (s);
-
-	  __real__ res = r;
-	  __imag__ res = __copysign (s, __imag__ x);
-	}
-    }
-
-  return res;
-}
-weak_alias (__csqrt, csqrt)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__csqrt, __csqrtl)
-weak_alias (__csqrt, csqrtl)
-#endif