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TANH()

Available in: DSQL, PSQL

Added in: 2.1

Description

Returns the hyperbolic tangent of the argument.

Result type: DOUBLE PRECISION

Syntax 

TANH (number)
  • Due to rounding, any non-NULL result is in the range [-1, 1] (mathematically, it's ←1, 1>).

Important: If the external function TANH is declared in your database, it will override the internal function. To make the internal function available, DROP or ALTER the external function (UDF).