rt_nonfinite.c

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/*
 * rt_nonfinite.c
 *
 * Embedded MATLAB Coder code generation for function 'autogen_ekf_propagation'
 *
 * C source code generated on: Wed Aug 24 18:34:48 2011
 *
 */

/*
 * Abstract:
 *      Real-Time Workshop function to initialize non-finites,
 *      (Inf, NaN and -Inf).
 */
#include "rt_nonfinite.h"
#include "rtGetNaN.h"
#include "rtGetInf.h"

real_T rtInf;
real_T rtMinusInf;
real_T rtNaN;
real32_T rtInfF;
real32_T rtMinusInfF;
real32_T rtNaNF;

/* Function: rt_InitInfAndNaN ==================================================
 * Abstract:
 * Initialize the rtInf, rtMinusInf, and rtNaN needed by the
 * generated code. NaN is initialized as non-signaling. Assumes IEEE.
 */
void rt_InitInfAndNaN(size_t realSize)
{
  (void) (realSize);
  rtNaN = rtGetNaN();
  rtNaNF = rtGetNaNF();
  rtInf = rtGetInf();
  rtInfF = rtGetInfF();
  rtMinusInf = rtGetMinusInf();
  rtMinusInfF = rtGetMinusInfF();
}

/* Function: rtIsInf ==================================================
 * Abstract:
 * Test if value is infinite
 */
boolean_T rtIsInf(real_T value)
{
  return ((value==rtInf || value==rtMinusInf) ? 1U : 0U);
}

/* Function: rtIsInfF =================================================
 * Abstract:
 * Test if single-precision value is infinite
 */
boolean_T rtIsInfF(real32_T value)
{
  return(((value)==rtInfF || (value)==rtMinusInfF) ? 1U : 0U);
}

/* Function: rtIsNaN ==================================================
 * Abstract:
 * Test if value is not a number
 */
boolean_T rtIsNaN(real_T value)
{
#if defined(_MSC_VER) && (_MSC_VER <= 1200)
  return _isnan(value)? TRUE:FALSE;
#else
  return (value!=value)? 1U:0U;
#endif
}

/* Function: rtIsNaNF =================================================
 * Abstract:
 * Test if single-precision value is not a number
 */
boolean_T rtIsNaNF(real32_T value)
{
#if defined(_MSC_VER) && (_MSC_VER <= 1200)
  return _isnan((real_T)value)? true:false;
#else
  return (value!=value)? 1U:0U;
#endif
}


/* End of Embedded MATLAB Coder code generation (rt_nonfinite.c) */