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30 lines
621 B
C
30 lines
621 B
C
/*
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Copyright (C) 2014 Fredrik Johansson
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This file is part of Arb.
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Arb is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "mag.h"
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void
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mag_log_ui(mag_t t, ulong n)
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{
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if (n <= 1)
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{
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if (n == 1)
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mag_zero(t);
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else
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mag_inf(t);
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}
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else
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{
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mag_set_ui(t, n-1);
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mag_log1p(t, t);
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}
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}
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