21 lines
311 B
Diff
21 lines
311 B
Diff
--- a/libm/s_floor.c
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+++ b/libm/s_floor.c
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@@ -81,3 +81,18 @@ libm_hidden_proto(floor)
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return x;
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}
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libm_hidden_def(floor)
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+
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+
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+libm_hidden_proto(trunc)
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+double
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+trunc(double x)
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+{
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+ if (!finite (x))
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+ return x;
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+
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+ if (x < 0.0)
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+ return - floor (-x);
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+ else
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+ return floor (x);
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+}
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+libm_hidden_def(trunc)
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