Ajouts de musique et irrKlang.

SQCSim2021/external/irrKlang-1.6.0/examples/MusicPlayer/3rdparty/FL/math.h

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+//
+// "$Id: math.h 4288 2005-04-16 00:13:17Z mike $"
+//
+// Math header file for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2005 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This 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
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+//     http://www.fltk.org/str.php
+//
+
+#ifndef fl_math_h
+#  define fl_math_h
+
+// Apple's ProjectBuilder has the nasty habit of including recursively
+// down the file tree. To avoid re-including <FL/math.h> we must 
+// directly include the systems math file. (Plus, I could not find a 
+// predefined macro for ProjectBuilder builds, so we have to define it 
+// in the project)
+#  if defined(__APPLE__) && defined(__PROJECTBUILDER__)
+#    include "/usr/include/math.h"
+#  else
+#    include <math.h>
+#  endif
+
+#  ifdef __EMX__
+#    include <float.h>
+#  endif
+
+
+#  ifndef M_PI
+#    define M_PI            3.14159265358979323846
+#    define M_PI_2          1.57079632679489661923
+#    define M_PI_4          0.78539816339744830962
+#    define M_1_PI          0.31830988618379067154
+#    define M_2_PI          0.63661977236758134308
+#  endif // !M_PI
+
+#  ifndef M_SQRT2
+#    define M_SQRT2         1.41421356237309504880
+#    define M_SQRT1_2       0.70710678118654752440
+#  endif // !M_SQRT2
+
+#  if (defined(WIN32) || defined(CRAY)) && !defined(__MINGW32__) && !defined(__MWERKS__)
+
+inline double rint(double v) {return floor(v+.5);}
+inline double copysign(double a, double b) {return b<0 ? -a : a;}
+
+#  endif // (WIN32 || CRAY) && !__MINGW32__ && !__MWERKS__
+
+#endif // !fl_math_h
+
+
+//
+// End of "$Id: math.h 4288 2005-04-16 00:13:17Z mike $".
+//