10 lines
172 B
C
10 lines
172 B
C
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/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
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#include <math.h>
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double
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asinh(double x)
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{
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return x>0 ? log(x + sqrt(x*x + 1)) : -log(sqrt(x*x+1)-x);
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}
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