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LibM: Add naive implementation of copysign()
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fc5b252010
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@ -742,4 +742,15 @@ long double nexttowardl(long double, long double) NOEXCEPT
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{
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TODO();
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}
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double copysign(double x, double y)
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{
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if (x < 0 && y < 0)
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return x;
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if (x >= 0 && y < 0)
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return -x;
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if (x < 0 && y >= 0)
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return -x;
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return x;
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}
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}
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@ -143,4 +143,6 @@ double nexttoward(double, long double) NOEXCEPT;
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float nexttowardf(float, long double) NOEXCEPT;
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long double nexttowardl(long double, long double) NOEXCEPT;
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double copysign(double x, double y);
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__END_DECLS
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