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// ----------------------------------------------------------------------------
// Copyright (c) 2014, Nicolas P. Rougier. All Rights Reserved.
// Distributed under the (new) BSD License.
// ----------------------------------------------------------------------------
/* ---------------------------------------------------------
Hyperbolic cosine
--------------------------------------------------------- */
float cosh(float x)
{
return 0.5 * (exp(x)+exp(-x));
}
/* ---------------------------------------------------------
Hyperbolic sine
--------------------------------------------------------- */
float sinh(float x)
{
return 0.5 * (exp(x)-exp(-x));
}
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