diff options
Diffstat (limited to 'src/modules/position_estimator_mc/codegen/rtGetInf.c')
-rwxr-xr-x | src/modules/position_estimator_mc/codegen/rtGetInf.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/modules/position_estimator_mc/codegen/rtGetInf.c b/src/modules/position_estimator_mc/codegen/rtGetInf.c new file mode 100755 index 000000000..c6fa7884e --- /dev/null +++ b/src/modules/position_estimator_mc/codegen/rtGetInf.c @@ -0,0 +1,139 @@ +/* + * rtGetInf.c + * + * Code generation for function 'kalman_dlqe2' + * + * C source code generated on: Thu Feb 14 12:52:29 2013 + * + */ + +/* + * Abstract: + * MATLAB for code generation function to initialize non-finite, Inf and MinusInf + */ +#include "rtGetInf.h" +#define NumBitsPerChar 8U + +/* Function: rtGetInf ================================================== + * Abstract: + * 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; +} + +/* Function: rtGetInfF ================================================== + * Abstract: + * 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; +} + +/* Function: rtGetMinusInf ================================================== + * Abstract: + * 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; +} + +/* Function: rtGetMinusInfF ================================================== + * Abstract: + * 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; +} + +/* End of code generation (rtGetInf.c) */ |