1 | /* |
2 | * File: rtGetInf.c |
3 | * |
4 | * Code generated for Simulink model 'EV3Control_sil_sil_ec'. |
5 | * |
6 | * Model version : 1.2 |
7 | * Simulink Coder version : 9.0 (R2018b) 24-May-2018 |
8 | * C/C++ source code generated on : Tue Oct 29 09:31:45 2019 |
9 | */ |
10 | |
11 | /* |
12 | * Abstract: |
13 | * Function to initialize non-finite, Inf |
14 | */ |
15 | #include "rtGetInf.h" |
16 | #define NumBitsPerChar 8U |
17 | |
18 | /* |
19 | * Initialize rtInf needed by the generated code. |
20 | * Inf is initialized as non-signaling. Assumes IEEE. |
21 | */ |
22 | real_T rtGetInf(void) |
23 | { |
24 | size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar); |
25 | real_T inf = 0.0; |
26 | if (bitsPerReal == 32U) { |
27 | inf = rtGetInfF(); |
28 | } else { |
29 | uint16_T one = 1U; |
30 | enum { |
31 | LittleEndian, |
32 | BigEndian |
33 | } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian; |
34 | switch (machByteOrder) { |
35 | case LittleEndian: |
36 | { |
37 | union { |
38 | LittleEndianIEEEDouble bitVal; |
39 | real_T fltVal; |
40 | } tmpVal; |
41 | |
42 | tmpVal.bitVal.words.wordH = 0x7FF00000U; |
43 | tmpVal.bitVal.words.wordL = 0x00000000U; |
44 | inf = tmpVal.fltVal; |
45 | break; |
46 | } |
47 | |
48 | case BigEndian: |
49 | { |
50 | union { |
51 | BigEndianIEEEDouble bitVal; |
52 | real_T fltVal; |
53 | } tmpVal; |
54 | |
55 | tmpVal.bitVal.words.wordH = 0x7FF00000U; |
56 | tmpVal.bitVal.words.wordL = 0x00000000U; |
57 | inf = tmpVal.fltVal; |
58 | break; |
59 | } |
60 | } |
61 | } |
62 | |
63 | return inf; |
64 | } |
65 | |
66 | /* |
67 | * Initialize rtInfF needed by the generated code. |
68 | * Inf is initialized as non-signaling. Assumes IEEE. |
69 | */ |
70 | real32_T rtGetInfF(void) |
71 | { |
72 | IEEESingle infF; |
73 | infF.wordL.wordLuint = 0x7F800000U; |
74 | return infF.wordL.wordLreal; |
75 | } |
76 | |
77 | /* |
78 | * Initialize rtMinusInf needed by the generated code. |
79 | * Inf is initialized as non-signaling. Assumes IEEE. |
80 | */ |
81 | real_T rtGetMinusInf(void) |
82 | { |
83 | size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar); |
84 | real_T minf = 0.0; |
85 | if (bitsPerReal == 32U) { |
86 | minf = rtGetMinusInfF(); |
87 | } else { |
88 | uint16_T one = 1U; |
89 | enum { |
90 | LittleEndian, |
91 | BigEndian |
92 | } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian; |
93 | switch (machByteOrder) { |
94 | case LittleEndian: |
95 | { |
96 | union { |
97 | LittleEndianIEEEDouble bitVal; |
98 | real_T fltVal; |
99 | } tmpVal; |
100 | |
101 | tmpVal.bitVal.words.wordH = 0xFFF00000U; |
102 | tmpVal.bitVal.words.wordL = 0x00000000U; |
103 | minf = tmpVal.fltVal; |
104 | break; |
105 | } |
106 | |
107 | case BigEndian: |
108 | { |
109 | union { |
110 | BigEndianIEEEDouble bitVal; |
111 | real_T fltVal; |
112 | } tmpVal; |
113 | |
114 | tmpVal.bitVal.words.wordH = 0xFFF00000U; |
115 | tmpVal.bitVal.words.wordL = 0x00000000U; |
116 | minf = tmpVal.fltVal; |
117 | break; |
118 | } |
119 | } |
120 | } |
121 | |
122 | return minf; |
123 | } |
124 | |
125 | /* |
126 | * Initialize rtMinusInfF needed by the generated code. |
127 | * Inf is initialized as non-signaling. Assumes IEEE. |
128 | */ |
129 | real32_T rtGetMinusInfF(void) |
130 | { |
131 | IEEESingle minfF; |
132 | minfF.wordL.wordLuint = 0xFF800000U; |
133 | return minfF.wordL.wordLreal; |
134 | } |
135 | |
136 | /* |
137 | * File trailer for generated code. |
138 | * |
139 | * [EOF] |
140 | */ |
141 |