/* * rtGetInf.c * * Academic License - for use in teaching, academic research, and meeting * course requirements at degree granting institutions only. Not for * government, commercial, or other organizational use. * * Code generation for model "WheelSpd1". * * Model version : 1.397 * Simulink Coder version : 8.14 (R2018a) 06-Feb-2018 * C source code generated on : Tue Jul 11 16:56:29 2023 * * Target selection: slrt.tlc * Note: GRT includes extra infrastructure and instrumentation for prototyping * Embedded hardware selection: Generic->32-bit x86 compatible * Code generation objectives: Unspecified * Validation result: Not run */ /* * Abstract: * Function to initialize non-finite, Inf */ #include "rtGetInf.h" #define NumBitsPerChar 8U /* * Initialize rtInf needed by the generated code. * Inf is initialized as non-signaling. Assumes IEEE. */ real_T rtGetInf(void) { size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar); real_T inf = 0.0; if (bitsPerReal == 32U) { inf = rtGetInfF(); } else { uint16_T one = 1U; enum { LittleEndian, BigEndian } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian; switch (machByteOrder) { case LittleEndian: { union { LittleEndianIEEEDouble bitVal; real_T fltVal; } tmpVal; tmpVal.bitVal.words.wordH = 0x7FF00000U; tmpVal.bitVal.words.wordL = 0x00000000U; inf = tmpVal.fltVal; break; } case BigEndian: { union { BigEndianIEEEDouble bitVal; real_T fltVal; } tmpVal; tmpVal.bitVal.words.wordH = 0x7FF00000U; tmpVal.bitVal.words.wordL = 0x00000000U; inf = tmpVal.fltVal; break; } } } return inf; } /* * Initialize rtInfF needed by the generated code. * Inf is initialized as non-signaling. Assumes IEEE. */ real32_T rtGetInfF(void) { IEEESingle infF; infF.wordL.wordLuint = 0x7F800000U; return infF.wordL.wordLreal; } /* * Initialize rtMinusInf needed by the generated code. * Inf is initialized as non-signaling. Assumes IEEE. */ real_T rtGetMinusInf(void) { size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar); real_T minf = 0.0; if (bitsPerReal == 32U) { minf = rtGetMinusInfF(); } else { uint16_T one = 1U; enum { LittleEndian, BigEndian } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian; switch (machByteOrder) { case LittleEndian: { union { LittleEndianIEEEDouble bitVal; real_T fltVal; } tmpVal; tmpVal.bitVal.words.wordH = 0xFFF00000U; tmpVal.bitVal.words.wordL = 0x00000000U; minf = tmpVal.fltVal; break; } case BigEndian: { union { BigEndianIEEEDouble bitVal; real_T fltVal; } tmpVal; tmpVal.bitVal.words.wordH = 0xFFF00000U; tmpVal.bitVal.words.wordL = 0x00000000U; minf = tmpVal.fltVal; break; } } } return minf; } /* * Initialize rtMinusInfF needed by the generated code. * Inf is initialized as non-signaling. Assumes IEEE. */ real32_T rtGetMinusInfF(void) { IEEESingle minfF; minfF.wordL.wordLuint = 0xFF800000U; return minfF.wordL.wordLreal; }