1 | /* |
2 | * Academic License - for use in teaching, academic research, and meeting |
3 | * course requirements at degree granting institutions only. Not for |
4 | * government, commercial, or other organizational use. |
5 | * |
6 | * File: rtGetNaN.c |
7 | * |
8 | * Code generated for Simulink model 'magneto_tarato'. |
9 | * |
10 | * Model version : 1.19 |
11 | * Simulink Coder version : 8.12 (R2017a) 16-Feb-2017 |
12 | * C/C++ source code generated on : Tue Nov 07 14:03:19 2017 |
13 | * |
14 | * Target selection: ert.tlc |
15 | * Embedded hardware selection: ARM Compatible->ARM Cortex |
16 | * Code generation objectives: Unspecified |
17 | * Validation result: Not run |
18 | */ |
19 | |
20 | /* |
21 | * Abstract: |
22 | * Function to initialize non-finite, NaN |
23 | */ |
24 | #include "rtGetNaN.h" |
25 | #define NumBitsPerChar 8U |
26 | |
27 | /* |
28 | * Initialize rtNaN needed by the generated code. |
29 | * NaN is initialized as non-signaling. Assumes IEEE. |
30 | */ |
31 | real_T rtGetNaN(void) |
32 | { |
33 | size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar); |
34 | real_T nan = 0.0; |
35 | if (bitsPerReal == 32U) { |
36 | nan = rtGetNaNF(); |
37 | } else { |
38 | union { |
39 | LittleEndianIEEEDouble bitVal; |
40 | real_T fltVal; |
41 | } tmpVal; |
42 | |
43 | tmpVal.bitVal.words.wordH = 0xFFF80000U; |
44 | tmpVal.bitVal.words.wordL = 0x00000000U; |
45 | nan = tmpVal.fltVal; |
46 | } |
47 | |
48 | return nan; |
49 | } |
50 | |
51 | /* |
52 | * Initialize rtNaNF needed by the generated code. |
53 | * NaN is initialized as non-signaling. Assumes IEEE. |
54 | */ |
55 | real32_T rtGetNaNF(void) |
56 | { |
57 | IEEESingle nanF = { { 0 } }; |
58 | |
59 | nanF.wordL.wordLuint = 0xFFC00000U; |
60 | return nanF.wordL.wordLreal; |
61 | } |
62 | |
63 | /* |
64 | * File trailer for generated code. |
65 | * |
66 | * [EOF] |
67 | */ |
68 |