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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1906 | serge | 1 | #include |
| 2 | |||
| 3 | float |
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| 4 | nextafterf (float x, float y) |
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| 5 | { |
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| 6 | union |
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| 7 | { |
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| 8 | float f; |
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| 9 | unsigned int i; |
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| 10 | } u; |
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| 11 | if (isnan (y) || isnan (x)) |
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| 12 | return x + y; |
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| 13 | if (x == y ) |
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| 14 | /* nextafter (0.0, -O.0) should return -0.0. */ |
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| 15 | return y; |
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| 16 | u.f = x; |
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| 17 | if (x == 0.0F) |
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| 18 | { |
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| 19 | u.i = 1; |
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| 20 | return y > 0.0F ? u.f : -u.f; |
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| 21 | } |
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| 22 | if (((x > 0.0F) ^ (y > x)) == 0) |
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| 23 | u.i++; |
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| 24 | else |
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| 25 | u.i--; |
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| 26 | return u.f; |
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| 27 | } |