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/*
* 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) */
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