note
	description: "Access to the shared decimal context; used to be a singleton"
	library: "Gobo Eiffel Decimal Arithmetic Library"
	copyright: "Copyright (c) 2004-2018, Paul G. Crismer and others"
	license: "MIT License"
	date: "$Date: 2019-02-07 22:54:15 +0000 (Thu, 07 Feb 2019) $"
	revision: "$Revision: 102807 $"

class interface
	MA_SHARED_DECIMAL_CONTEXT

create 
	default_create

feature -- Access

	shared_decimal_context: MA_DECIMAL_CONTEXT
			-- Decimal context for operations where it does not explicitly appear in the signature;
			-- Return Default_context by default, but can be changed by calling set_shared_decimal_context
		ensure
			instance_free: class
			shared_decimal_context_not_void: Result /= Void

	Default_context: MA_DECIMAL_CONTEXT
			-- Default context for general purpose arithmetic
		ensure
			instance_free: class
			default_context_not_void: Result /= Void
	
feature -- Setting

	set_shared_decimal_context (new_context: MA_DECIMAL_CONTEXT)
			-- Set shared_decimal_context to new_context.
			-- It is best practice to call this routine once and for all
			-- at the beginning of the application to avoid unexpected
			-- behaviors.
		require
			new_context_not_void: new_context /= Void
		ensure
			instance_free: class
			context_set: shared_decimal_context = new_context
	
end -- class MA_SHARED_DECIMAL_CONTEXT

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