view liboctave/lo-mappers.h @ 8987:542015fada9e

Eliminate the workspace in sparse transpose. The output's cidx (column start offset array) can serve as the workspace, so the routines operate in the space of their output.
author Jason Riedy <jason@acm.org>
date Mon, 16 Mar 2009 17:03:07 -0400
parents eb63fbe60fab
children a48fba01e4ac
line wrap: on
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/*

Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005,
              2006, 2007, 2008 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

Octave 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 General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_liboctave_mappers_h)
#define octave_liboctave_mappers_h 1

#include "oct-cmplx.h"

// Double Precision 
extern OCTAVE_API double arg (double x);
extern OCTAVE_API double conj (double x);
extern OCTAVE_API double fix (double x);
extern OCTAVE_API double imag (double x);
extern OCTAVE_API double real (double x);
extern OCTAVE_API double xround (double x);
extern OCTAVE_API double xroundb (double x);
extern OCTAVE_API double signum (double x);
extern OCTAVE_API double xtrunc (double x);
extern OCTAVE_API double xlog2 (double x); 
extern OCTAVE_API Complex xlog2 (const Complex& x); 
extern OCTAVE_API double xlog2 (double x, int& exp);
extern OCTAVE_API Complex xlog2 (const Complex& x, int& exp);
extern OCTAVE_API double xexp2 (double x);

// These are used by the BOOL_OP macros in mx-op-defs.h.
inline bool xisnan (bool) { return false; }
inline bool xisnan (char) { return false; }

extern OCTAVE_API bool xisnan (double x);
extern OCTAVE_API bool xfinite (double x);
extern OCTAVE_API bool xisinf (double x);

extern OCTAVE_API bool octave_is_NA (double x);
extern OCTAVE_API bool octave_is_NaN_or_NA (double x) GCC_ATTR_DEPRECATED;

extern OCTAVE_API double xmin (double x, double y);
extern OCTAVE_API double xmax (double x, double y);

extern OCTAVE_API Complex acos (const Complex& x);
extern OCTAVE_API Complex acosh (const Complex& x);
extern OCTAVE_API Complex asin (const Complex& x);
extern OCTAVE_API Complex asinh (const Complex& x);
extern OCTAVE_API Complex atan (const Complex& x);
extern OCTAVE_API Complex atanh (const Complex& x);

extern OCTAVE_API Complex ceil (const Complex& x);
extern OCTAVE_API Complex fix (const Complex& x);
extern OCTAVE_API Complex floor (const Complex& x);
extern OCTAVE_API Complex xround (const Complex& x);
extern OCTAVE_API Complex xroundb (const Complex& x);
extern OCTAVE_API Complex signum (const Complex& x);

extern OCTAVE_API bool xisnan (const Complex& x);
extern OCTAVE_API bool xfinite (const Complex& x);
extern OCTAVE_API bool xisinf (const Complex& x);

extern OCTAVE_API bool octave_is_NA (const Complex& x);
extern OCTAVE_API bool octave_is_NaN_or_NA (const Complex& x);

extern OCTAVE_API Complex xmin (const Complex& x, const Complex& y);
extern OCTAVE_API Complex xmax (const Complex& x, const Complex& y);

// Single Precision 
extern OCTAVE_API float arg (float x);
extern OCTAVE_API float conj (float x);
extern OCTAVE_API float fix (float x);
extern OCTAVE_API float imag (float x);
extern OCTAVE_API float real (float x);
extern OCTAVE_API float xround (float x);
extern OCTAVE_API float xroundb (float x);
extern OCTAVE_API float signum (float x);
extern OCTAVE_API float xtrunc (float x);
extern OCTAVE_API float xlog2 (float x); 
extern OCTAVE_API FloatComplex xlog2 (const FloatComplex& x); 
extern OCTAVE_API float xlog2 (float x, int& exp);
extern OCTAVE_API FloatComplex xlog2 (const FloatComplex& x, int& exp);
extern OCTAVE_API float xexp2 (float x);

extern OCTAVE_API bool xisnan (float x);
extern OCTAVE_API bool xfinite (float x);
extern OCTAVE_API bool xisinf (float x);

extern OCTAVE_API bool octave_is_NA (float x);
extern OCTAVE_API bool octave_is_NaN_or_NA (float x) GCC_ATTR_DEPRECATED;

extern OCTAVE_API float xmin (float x, float y);
extern OCTAVE_API float xmax (float x, float y);

extern OCTAVE_API FloatComplex acos (const FloatComplex& x);
extern OCTAVE_API FloatComplex acosh (const FloatComplex& x);
extern OCTAVE_API FloatComplex asin (const FloatComplex& x);
extern OCTAVE_API FloatComplex asinh (const FloatComplex& x);
extern OCTAVE_API FloatComplex atan (const FloatComplex& x);
extern OCTAVE_API FloatComplex atanh (const FloatComplex& x);

extern OCTAVE_API FloatComplex ceil (const FloatComplex& x);
extern OCTAVE_API FloatComplex fix (const FloatComplex& x);
extern OCTAVE_API FloatComplex floor (const FloatComplex& x);
extern OCTAVE_API FloatComplex xround (const FloatComplex& x);
extern OCTAVE_API FloatComplex xroundb (const FloatComplex& x);
extern OCTAVE_API FloatComplex signum (const FloatComplex& x);

extern OCTAVE_API bool xisnan (const FloatComplex& x);
extern OCTAVE_API bool xfinite (const FloatComplex& x);
extern OCTAVE_API bool xisinf (const FloatComplex& x);

extern OCTAVE_API bool octave_is_NA (const FloatComplex& x);
extern OCTAVE_API bool octave_is_NaN_or_NA (const FloatComplex& x);

extern OCTAVE_API FloatComplex xmin (const FloatComplex& x, const FloatComplex& y);
extern OCTAVE_API FloatComplex xmax (const FloatComplex& x, const FloatComplex& y);

#endif

/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/