text: /* Copyright 2016 Samsung Electronics Co., Ltd.
   * Copyright 2016 University of Szeged
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * This file is based on work under the following copyright and permission
   * notice:
   *
   *     Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
   *
   *     Permission to use, copy, modify, and distribute this
   *     software is freely granted, provided that this notice
   *     is preserved.
   *
   *     @(#)fdlibm.h 1.5 04/04/22
   */
  
  #ifndef JERRY_LIBM_INTERNAL_H
  #define JERRY_LIBM_INTERNAL_H
  
  /* Sometimes it's necessary to define __LITTLE_ENDIAN explicitly
     but these catch some common cases. */
  
  #if (defined (i386) || defined (__i386) || defined (__i386__) || \
       defined (i486) || defined (__i486) || defined (__i486__) || \
       defined (intel) || defined (x86) || defined (i86pc) || \
       defined (__alpha) || defined (__osf__) || \
       defined (__x86_64__) || defined (__arm__) || defined (__aarch64__))
  #define __LITTLE_ENDIAN
  #endif
  
  #ifdef __LITTLE_ENDIAN
  #define __HI(x) *(1 + (int *) &x)
  #define __LO(x) *(int *) &x
  #else /* !__LITTLE_ENDIAN */
  #define __HI(x) *(int *) &x
  #define __LO(x) *(1 + (int *) &x)
  #endif /* __LITTLE_ENDIAN */
  
  /*
   * ANSI/POSIX
   */
  extern double acos (double);
  extern double asin (double);
  extern double atan (double);
  extern double atan2 (double, double);
  extern double cos (double);
  extern double sin (double);
  extern double tan (double);
  
  extern double exp (double);
  extern double log (double);
  
  extern double pow (double, double);
  extern double sqrt (double);
  
  extern double ceil (double);
  extern double fabs (double);
  extern double floor (double);
  extern double fmod (double, double);
  
  extern int isnan (double);
  extern int finite (double);
  
  double nextafter (double, double);
  
  /*
   * Functions callable from C, intended to support IEEE arithmetic.
   */
  extern double copysign (double, double);
  extern double scalbn (double, int);
  
  #endif /* !JERRY_LIBM_INTERNAL_H */
  