note
	description: "[
		Basic mathematical operations, single-precision.
		This class may be used as ancestor by classes needing its facilities
	]"
	library: "Free implementation of ELKS library"
	status: "See notice at end of class."
	legal: "See notice at end of class."
	date: "$Date: 2018-04-28 20:47:11 +0000 (Sat, 28 Apr 2018) $"
	revision: "$Revision: 101695 $"

class interface
	SINGLE_MATH

create 
	default_create

feature -- Access

	log_2 (v: REAL_32): REAL_32
			-- Base 2 logarithm of v
		ensure
			instance_free: class

	cosine (v: REAL_32): REAL_32
			-- Trigonometric cosine of radian v approximated
			-- in the range [-pi/4, +pi/4]
		ensure
			instance_free: class

	arc_cosine (v: REAL_32): REAL_32
			-- Trigonometric arccosine of radian v
			-- in the range [0, pi]
		ensure
			instance_free: class

	sine (v: REAL_32): REAL_32
			-- Trigonometric sine of radian v approximated
			-- in range [-pi/4, +pi/4]
		ensure
			instance_free: class

	arc_sine (v: REAL_32): REAL_32
			-- Trigonometric arcsine of radian v
			-- in the range [-pi/2, +pi/2]
		ensure
			instance_free: class

	tangent (v: REAL_32): REAL_32
			-- Trigonometric tangent of radian v approximated
			-- in range [-pi/4, +pi/4]
		ensure
			instance_free: class

	arc_tangent (v: REAL_32): REAL_32
			-- Trigonometric arctangent of radian v
			-- in the range [-pi/2, +pi/2]
		ensure
			instance_free: class

	sqrt (v: REAL_32): REAL_32
			-- Square root of v
		ensure
			instance_free: class

	exp (x: REAL_32): REAL_32
			-- Exponential of v.
		ensure
			instance_free: class

	log (v: REAL_32): REAL_32
			-- Natural logarithm of v
		ensure
			instance_free: class

	log10 (v: REAL_32): REAL_32
			-- Base 10 logarithm of v
		ensure
			instance_free: class

	floor (v: REAL_32): REAL_32
			-- Greatest integral value less than or equal to v
		ensure
			instance_free: class

	ceiling (v: REAL_32): REAL_32
			-- Least integral value greater than or equal to v
		ensure
			instance_free: class

	rabs (v: REAL_32): REAL_32
			-- Absolute value of v
		ensure
			instance_free: class
	
note
	copyright: "Copyright (c) 1984-2018, Eiffel Software and others"
	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
		Eiffel Software
		5949 Hollister Ave., Goleta, CA 93117 USA
		Telephone 805-685-1006, Fax 805-685-6869
		Website http://www.eiffel.com
		Customer support http://support.eiffel.com
	]"

end -- class SINGLE_MATH

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