BigFloat.acos

Returns the arc cosine of a BigFloat.

Syntax

BigFloat.acos(value, env?)

Parameters

• value

  A BigFloat value.

• env optional

  The floating point environment. If not specified, the current global environment is used. See BigFloatEnv.

Return value

A new BigFloat in radians.

Example

BigFloat.acos(-1l)

3.1415926535897932384626433832795028

BigFloat.acos(-1l, new BigFloatEnv(16))

3.1416015625