4G/code/BCU/BCUModel/rtGetInf.c

#include "rtwtypes.h"
#include "rtGetInf.h"
#include <stddef.h>
#include "rt_nonfinite.h"
#define NumBitsPerChar                 8U

real_T rtGetInf(void)
{
  size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar);
  real_T inf = 0.0;
  if (bitsPerReal == 32U) {
    inf = rtGetInfF();
  } else {
    union {
      LittleEndianIEEEDouble bitVal;
      real_T fltVal;
    } tmpVal;

    tmpVal.bitVal.words.wordH = 0x7FF00000U;
    tmpVal.bitVal.words.wordL = 0x00000000U;
    inf = tmpVal.fltVal;
  }

  return inf;
}

real32_T rtGetInfF(void)
{
  IEEESingle infF;
  infF.wordL.wordLuint = 0x7F800000U;
  return infF.wordL.wordLreal;
}

real_T rtGetMinusInf(void)
{
  size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar);
  real_T minf = 0.0;
  if (bitsPerReal == 32U) {
    minf = rtGetMinusInfF();
  } else {
    union {
      LittleEndianIEEEDouble bitVal;
      real_T fltVal;
    } tmpVal;

    tmpVal.bitVal.words.wordH = 0xFFF00000U;
    tmpVal.bitVal.words.wordL = 0x00000000U;
    minf = tmpVal.fltVal;
  }

  return minf;
}

real32_T rtGetMinusInfF(void)
{
  IEEESingle minfF;
  minfF.wordL.wordLuint = 0xFF800000U;
  return minfF.wordL.wordLreal;
}