Tanh

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Returns the hyperbolic tangent of <x>. If <x> is greater than or equal to 263, or less than or equal to -263, there is a loss of significance in the result of the call, and the function generates a _TLOSS error and returns a zero.

DECLARE EXTERNAL FUNCTION TANH
DOUBLE PRECISION
RETURNS DOUBLE PRECISION BY VALUE
ENTRY_POINT 'IB_UDF_tanh' MODULE_NAME 'ib_udf';

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