1 | /* |
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2 | FUNCTION |
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3 | <<atosfix16>>, <<atosfix32>>, <<atosfix64>>---string to signed fixed-point |
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4 | |
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5 | INDEX |
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6 | atosfix16 |
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7 | INDEX |
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8 | atosfix32 |
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9 | INDEX |
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10 | atosfix64 |
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11 | INDEX |
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12 | _atosfix16_r |
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13 | INDEX |
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14 | _atosfix32_r |
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15 | INDEX |
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16 | _atosfix64_r |
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17 | |
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18 | SYNOPSIS |
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19 | #include <stdlib.h> |
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20 | __int16_t atosfix16(const char *<[s]>); |
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21 | __int32_t atosfix32(const char *<[s]>); |
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22 | __int64_t atosfix32(const char *<[s]>); |
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23 | |
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24 | __int16_t _atosfix16_r(struct __reent *, const char *<[s]>); |
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25 | __int32_t _atosfix32_r(struct __reent *, const char *<[s]>); |
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26 | __int64_t _atosfix32_r(struct __reent *, const char *<[s]>); |
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27 | |
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28 | DESCRIPTION |
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29 | <<atosfix16>> converts the initial portion of a string to a sign |
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30 | + 15-bit fraction fixed point value. |
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31 | <<atosfix32>> converts the initial portion of a string to a sign |
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32 | + 31-bit fraction fixed point value. |
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33 | <<atosfix64>> converts the initial portion of a string to a sign |
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34 | + 63-bit fraction fixed point value. |
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35 | <<atosfix16(s)>> is implemented as <<strtosfix16(s, NULL).>> |
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36 | <<atosfix32(s)>> is implemented as <<strtosfix32(s, NULL).>> |
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37 | <<atosfix64(s)>> is implemented as <<strtosfix64(s, NULL).>> |
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38 | |
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39 | The alternate functions <<_atosfix16_r>>, <<_atosfix32_r>>, |
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40 | and <<_atosfix64_r>> are reentrant versions. |
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41 | The extra argument <[reent]> is a pointer to a reentrancy structure. |
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42 | |
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43 | RETURNS |
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44 | The functions return the converted value, if any. If no conversion was |
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45 | made, <<0>> is returned. If saturation occurs, <<ERANGE>> is stored |
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46 | in errno. |
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47 | |
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48 | PORTABILITY |
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49 | <<atosfix16>>, <<atosfix32>>, and <<atosfix64>> are non-standard. |
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50 | |
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51 | No supporting OS subroutines are directly required. The |
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52 | OS subroutines required by <<strtod>> are used. |
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53 | */ |
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54 | |
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55 | /* |
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56 | * Jeff Johnston - 02/13/2002 |
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57 | */ |
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58 | |
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59 | #ifdef __SPE__ |
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60 | |
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61 | #include <stdlib.h> |
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62 | #include <_ansi.h> |
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63 | |
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64 | __int16_t |
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65 | _atosfix16_r (struct _reent *reent, |
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66 | const char *s) |
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67 | { |
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68 | return _strtosfix16_r (reent, s, NULL); |
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69 | } |
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70 | |
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71 | #ifndef _REENT_ONLY |
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72 | __int16_t |
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73 | atosfix16 (const char *s) |
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74 | { |
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75 | return strtosfix16 (s, NULL); |
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76 | } |
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77 | |
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78 | #endif /* !_REENT_ONLY */ |
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79 | |
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80 | #endif /* __SPE__ */ |
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