kc3-lang/libxml2/trionan.h

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• Hash : 21458c85
  Author :
  Date : 2002-03-27T16:12:22
  

  more patches from Richard Jinks Updated tests though they show a
  
  * trionan.c trionan.h xpath.c: more patches from Richard Jinks
  * test/XPath/expr/compare test/XPath/expr/equality
    test/XPath/expr/floats test/XPath/expr/functions
    test/XPath/expr/strings result/XPath/expr/compare
    result/XPath/expr/equality result/XPath/expr/floats
    result/XPath/expr/functions result/XPath/expr/strings: Updated
    tests though they show a divergence on Linux
  Daniel
  

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• trionan.h

• /*************************************************************************
   *
   * $Id$
   *
   * Copyright (C) 2001 Bjorn Reese <breese@users.sourceforge.net>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
   * MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE AUTHORS AND
   * CONTRIBUTORS ACCEPT NO RESPONSIBILITY IN ANY CONCEIVABLE MANNER.
   *
   ************************************************************************/
  
  #ifndef TRIO_NAN_H
  #define TRIO_NAN_H
  
  #include "triodef.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  enum {
    TRIO_FP_INFINITE,
    TRIO_FP_NAN,
    TRIO_FP_NORMAL,
    TRIO_FP_SUBNORMAL,
    TRIO_FP_ZERO
  };
  
  /*
   * Return NaN (Not-a-Number).
   */
  TRIO_PUBLIC double trio_nan(void);
  
  /*
   * Return positive infinity.
   */
  TRIO_PUBLIC double trio_pinf(void);
  
  /*
   * Return negative infinity.
   */
  TRIO_PUBLIC double trio_ninf(void);
    
  /*
   * If number is a NaN return non-zero, otherwise return zero.
   */
  TRIO_PUBLIC int trio_isnan(double number);
  
  /*
   * If number is positive infinity return 1, if number is negative
   * infinity return -1, otherwise return 0.
   */
  TRIO_PUBLIC int trio_isinf(double number);
  
  /*
   * If number is finite return non-zero, otherwise return zero.
   */
  TRIO_PUBLIC int trio_isfinite(double number);
  
  TRIO_PUBLIC int trio_signbit(double number);
  
  TRIO_PUBLIC int trio_fpclassify(double number);
  
  TRIO_PUBLIC double trio_nzero(void);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* TRIO_NAN_H */
  

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