convert to unix format

1 files changed, 146 insertions, 146 deletions

diff --git a/src/c/elementaryFunctions/asin/zasins.c b/src/c/elementaryFunctions/asin/zasins.c
index 5bd586a8..a0042e15 100644
--- a/src/c/elementaryFunctions/asin/zasins.c
+++ b/src/c/elementaryFunctions/asin/zasins.c
@@ -1,146 +1,146 @@
-/*

- *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab

- *  Copyright (C) 2007-2008 - INRIA - Bruno JOFRET

- *  Copyright (C) Bruno Pincon

- *

- *  This file must be used under the terms of the CeCILL.

- *  This source file is licensed as described in the file COPYING, which

- *  you should have received as part of this distribution.  The terms

- *  are also available at

- *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt

- *

- */

-

-/*

- *     REFERENCE

- *        This is a Fortran-77 translation of an algorithm by

- *        T.E. Hull, T. F. Fairgrieve and P.T.P. Tang which

- *        appears in their article :

- *          "Implementing the Complex Arcsine and Arccosine

- *           Functions Using Exception Handling", ACM, TOMS,

- *           Vol 23, No. 3, Sept 1997, p. 299-335

- *     Thanks to Tom Fairgrieve

- */

-

-#include "lapack.h"

-#include "asin.h"

-#include "atan.h"

-#include "sqrt.h"

-#include "abs.h"

-#include "log.h"

-#include "log1p.h"

-#include "min.h"

-#include "max.h"

-

-doubleComplex		zasins(doubleComplex z) {

-  static double sdblPi_2	= 1.5707963267948966192313216;

-  static double sdblLn2		= 0.6931471805599453094172321;

-  static double sdblAcross	= 1.5;

-  static double sdblBcross	= 0.6417;

-

-  double dblLsup = dsqrts(getOverflowThreshold())/8.0;

-  double dblLinf = 4 * dsqrts(getUnderflowThreshold());

-  double dblEpsm = dsqrts(getRelativeMachinePrecision());

-

-  double _dblReal	= zreals(z);

-  double _dblImg	= zimags(z);

-

-  double dblAbsReal	= dabss(_dblReal);

-  double dblAbsImg	= dabss(_dblImg);

-  int iSignReal		= _dblReal < 0 ? -1 : 1;

-  int iSignImg		= _dblImg < 0 ? -1 : 1;

-

-  double dblR = 0, dblS = 0, dblA = 0, dblB = 0;

-

-  double dblTemp = 0;

-

-  double _pdblReal = 0;

-  double _pdblImg = 0;

-

-  if( min(dblAbsReal, dblAbsImg) > dblLinf && max(dblAbsReal, dblAbsImg) <= dblLsup)

-    {

-      /* we are in the safe region */

-      dblR = dsqrts( (dblAbsReal + 1) * (dblAbsReal + 1) + dblAbsImg * dblAbsImg);

-      dblS = dsqrts( (dblAbsReal - 1) * (dblAbsReal - 1) + dblAbsImg * dblAbsImg);

-      dblA = 0.5 * ( dblR + dblS );

-      dblB = dblAbsReal / dblA;

-

-

-      /* compute the real part */

-      if(dblB <= sdblBcross)

-	_pdblReal = dasins(dblB);

-      else if( dblAbsReal <= 1)

-	_pdblReal = datans(dblAbsReal / dsqrts( 0.5 * (dblA + dblAbsReal) * ( (dblAbsImg * dblAbsImg) / (dblR + (dblAbsReal + 1)) + (dblS + (1 - dblAbsReal)))));

-      else

-	_pdblReal = datans(dblAbsReal / (dblAbsImg * dsqrts(0.5 * ((dblA + dblAbsReal) / (dblR + (dblAbsReal + 1)) + (dblA + dblAbsReal) / (dblS + (dblAbsReal-1))))));

-

-      /* compute the imaginary part */

-      if(dblA <= sdblAcross)

-	{

-	  double dblImg1 = 0;

-

-	  if(dblAbsReal < 1)

-	    /* Am1 = 0.5d0*((y**2)/(R+(x+1.d0))+(y**2)/(S+(1.d0-x))) */

-	    dblImg1 = 0.5 * (dblAbsImg * dblAbsImg / (dblR + (dblAbsReal + 1)) + dblAbsImg * dblAbsImg / (dblS + (1 - dblAbsReal)));

-	  else

-	    /* Am1 = 0.5d0*((y**2)/(R+(x+1.d0))+(S+(x-1.d0))) */

-	    dblImg1 = 0.5 * (dblAbsImg * dblAbsImg / (dblR + (dblAbsReal + 1)) + (dblS + (dblAbsReal - 1)));

-	  /* ai = logp1(Am1 + sqrt(Am1*(A+1.d0))) */

-	  dblTemp = dblImg1 + dsqrts(dblImg1 * (dblA + 1));

-	  _pdblImg = dlog1ps(dblTemp);

-	}

-      else

-	/* ai = log(A + sqrt(A**2 - 1.d0)) */

-	_pdblImg = dlogs(dblA + dsqrts(dblA * dblA - 1));

-    }

-  else

-    {

-      /* evaluation in the special regions ... */

-      if(dblAbsImg <= dblEpsm * dabss(dblAbsReal - 1))

-	{

-	  if(dblAbsReal < 1)

-	    {

-	      _pdblReal	= dasins(dblAbsReal);

-	      _pdblImg	= dblAbsImg / dsqrts((1 + dblAbsReal) * (1 - dblAbsReal));

-	    }

-	  else

-	    {

-	      _pdblReal = sdblPi_2;

-	      if(dblAbsReal <= dblLsup)

-		{

-		  dblTemp		= (dblAbsReal - 1) + dsqrts((dblAbsReal - 1) * (dblAbsReal + 1));

-		  _pdblImg	= dlog1ps(dblTemp);

-		}

-	      else

-		_pdblImg	= sdblLn2 + dlogs(dblAbsReal);

-	    }

-	}

-      else if(dblAbsImg < dblLinf)

-	{

-	  _pdblReal	= sdblPi_2 - dsqrts(dblAbsImg);

-	  _pdblImg	= dsqrts(dblAbsImg);

-	}

-      else if((dblEpsm * dblAbsImg - 1 >= dblAbsReal))

-	{

-	  _pdblReal	= dblAbsReal * dblAbsImg;

-	  _pdblImg	= sdblLn2 + dlogs(dblAbsReal);

-	}

-      else if(dblAbsReal > 1)

-	{

-	  _pdblReal	= datans(dblAbsReal / dblAbsImg);

-	  dblTemp		= (dblAbsReal / dblAbsImg) * (dblAbsReal / dblAbsImg);

-	  _pdblImg	= sdblLn2 + dlogs(dblAbsReal) + 0.5 * dlog1ps(dblTemp);

-	}

-      else

-	{

-	  double dblTemp2 = dsqrts(1 + dblAbsImg * dblAbsImg);

-	  _pdblReal	= dblAbsReal / dblTemp2;

-	  dblTemp		= 2 * dblAbsImg * (dblAbsImg + dblTemp2);

-	  _pdblImg	= 0.5 * dlog1ps(dblTemp);

-	}

-    }

-  _pdblReal *= iSignReal;

-  _pdblImg *= iSignImg;

-

-  return (DoubleComplex(_pdblReal, _pdblImg));

-}

+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - INRIA - Bruno JOFRET
+ *  Copyright (C) Bruno Pincon
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+/*
+ *     REFERENCE
+ *        This is a Fortran-77 translation of an algorithm by
+ *        T.E. Hull, T. F. Fairgrieve and P.T.P. Tang which
+ *        appears in their article :
+ *          "Implementing the Complex Arcsine and Arccosine
+ *           Functions Using Exception Handling", ACM, TOMS,
+ *           Vol 23, No. 3, Sept 1997, p. 299-335
+ *     Thanks to Tom Fairgrieve
+ */
+
+#include "lapack.h"
+#include "asin.h"
+#include "atan.h"
+#include "sqrt.h"
+#include "abs.h"
+#include "log.h"
+#include "log1p.h"
+#include "min.h"
+#include "max.h"
+
+doubleComplex		zasins(doubleComplex z) {
+  static double sdblPi_2	= 1.5707963267948966192313216;
+  static double sdblLn2		= 0.6931471805599453094172321;
+  static double sdblAcross	= 1.5;
+  static double sdblBcross	= 0.6417;
+
+  double dblLsup = dsqrts(getOverflowThreshold())/8.0;
+  double dblLinf = 4 * dsqrts(getUnderflowThreshold());
+  double dblEpsm = dsqrts(getRelativeMachinePrecision());
+
+  double _dblReal	= zreals(z);
+  double _dblImg	= zimags(z);
+
+  double dblAbsReal	= dabss(_dblReal);
+  double dblAbsImg	= dabss(_dblImg);
+  int iSignReal		= _dblReal < 0 ? -1 : 1;
+  int iSignImg		= _dblImg < 0 ? -1 : 1;
+
+  double dblR = 0, dblS = 0, dblA = 0, dblB = 0;
+
+  double dblTemp = 0;
+
+  double _pdblReal = 0;
+  double _pdblImg = 0;
+
+  if( min(dblAbsReal, dblAbsImg) > dblLinf && max(dblAbsReal, dblAbsImg) <= dblLsup)
+    {
+      /* we are in the safe region */
+      dblR = dsqrts( (dblAbsReal + 1) * (dblAbsReal + 1) + dblAbsImg * dblAbsImg);
+      dblS = dsqrts( (dblAbsReal - 1) * (dblAbsReal - 1) + dblAbsImg * dblAbsImg);
+      dblA = 0.5 * ( dblR + dblS );
+      dblB = dblAbsReal / dblA;
+
+
+      /* compute the real part */
+      if(dblB <= sdblBcross)
+	_pdblReal = dasins(dblB);
+      else if( dblAbsReal <= 1)
+	_pdblReal = datans(dblAbsReal / dsqrts( 0.5 * (dblA + dblAbsReal) * ( (dblAbsImg * dblAbsImg) / (dblR + (dblAbsReal + 1)) + (dblS + (1 - dblAbsReal)))));
+      else
+	_pdblReal = datans(dblAbsReal / (dblAbsImg * dsqrts(0.5 * ((dblA + dblAbsReal) / (dblR + (dblAbsReal + 1)) + (dblA + dblAbsReal) / (dblS + (dblAbsReal-1))))));
+
+      /* compute the imaginary part */
+      if(dblA <= sdblAcross)
+	{
+	  double dblImg1 = 0;
+
+	  if(dblAbsReal < 1)
+	    /* Am1 = 0.5d0*((y**2)/(R+(x+1.d0))+(y**2)/(S+(1.d0-x))) */
+	    dblImg1 = 0.5 * (dblAbsImg * dblAbsImg / (dblR + (dblAbsReal + 1)) + dblAbsImg * dblAbsImg / (dblS + (1 - dblAbsReal)));
+	  else
+	    /* Am1 = 0.5d0*((y**2)/(R+(x+1.d0))+(S+(x-1.d0))) */
+	    dblImg1 = 0.5 * (dblAbsImg * dblAbsImg / (dblR + (dblAbsReal + 1)) + (dblS + (dblAbsReal - 1)));
+	  /* ai = logp1(Am1 + sqrt(Am1*(A+1.d0))) */
+	  dblTemp = dblImg1 + dsqrts(dblImg1 * (dblA + 1));
+	  _pdblImg = dlog1ps(dblTemp);
+	}
+      else
+	/* ai = log(A + sqrt(A**2 - 1.d0)) */
+	_pdblImg = dlogs(dblA + dsqrts(dblA * dblA - 1));
+    }
+  else
+    {
+      /* evaluation in the special regions ... */
+      if(dblAbsImg <= dblEpsm * dabss(dblAbsReal - 1))
+	{
+	  if(dblAbsReal < 1)
+	    {
+	      _pdblReal	= dasins(dblAbsReal);
+	      _pdblImg	= dblAbsImg / dsqrts((1 + dblAbsReal) * (1 - dblAbsReal));
+	    }
+	  else
+	    {
+	      _pdblReal = sdblPi_2;
+	      if(dblAbsReal <= dblLsup)
+		{
+		  dblTemp		= (dblAbsReal - 1) + dsqrts((dblAbsReal - 1) * (dblAbsReal + 1));
+		  _pdblImg	= dlog1ps(dblTemp);
+		}
+	      else
+		_pdblImg	= sdblLn2 + dlogs(dblAbsReal);
+	    }
+	}
+      else if(dblAbsImg < dblLinf)
+	{
+	  _pdblReal	= sdblPi_2 - dsqrts(dblAbsImg);
+	  _pdblImg	= dsqrts(dblAbsImg);
+	}
+      else if((dblEpsm * dblAbsImg - 1 >= dblAbsReal))
+	{
+	  _pdblReal	= dblAbsReal * dblAbsImg;
+	  _pdblImg	= sdblLn2 + dlogs(dblAbsReal);
+	}
+      else if(dblAbsReal > 1)
+	{
+	  _pdblReal	= datans(dblAbsReal / dblAbsImg);
+	  dblTemp		= (dblAbsReal / dblAbsImg) * (dblAbsReal / dblAbsImg);
+	  _pdblImg	= sdblLn2 + dlogs(dblAbsReal) + 0.5 * dlog1ps(dblTemp);
+	}
+      else
+	{
+	  double dblTemp2 = dsqrts(1 + dblAbsImg * dblAbsImg);
+	  _pdblReal	= dblAbsReal / dblTemp2;
+	  dblTemp		= 2 * dblAbsImg * (dblAbsImg + dblTemp2);
+	  _pdblImg	= 0.5 * dlog1ps(dblTemp);
+	}
+    }
+  _pdblReal *= iSignReal;
+  _pdblImg *= iSignImg;
+
+  return (DoubleComplex(_pdblReal, _pdblImg));
+}