-- Angle measurement and control definitions
-- Copyright (C)2021-2023, Philip Munts dba Munts Technologies.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are met:
--
-- * Redistributions of source code must retain the above copyright notice,
-- this list of conditions and the following disclaimer.
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-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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-- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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-- POSSIBILITY OF SUCH DAMAGE.
WITH Ada.Numerics;
WITH Ada.Text_IO;
WITH IO_Interfaces;
PACKAGE Angle IS
TYPE Degrees IS NEW Float;
TYPE Radians IS NEW Float;
FUNCTION To_Radians(x : Degrees) RETURN Radians IS
(Radians(x*Ada.Numerics.Pi/180.0));
FUNCTION To_Degrees(x : Radians) RETURN Degrees IS
(Degrees(x*180.0*Ada.Numerics.Pi));
-- Instantiate text I/O packages
PACKAGE Degrees_IO IS NEW Ada.Text_IO.Float_IO(Degrees);
PACKAGE Radians_IO IS NEW Ada.Text_IO.Float_IO(Radians);
-- Instantiate abstract interfaces package
PACKAGE Interfaces IS NEW IO_Interfaces(Radians);
-- Interfaces
TYPE InputInterface IS INTERFACE AND Interfaces.InputInterface;
TYPE OutputInterface IS INTERFACE AND Interfaces.OutputInterface;
TYPE InputOutputInterface IS INTERFACE AND Interfaces.InputOutputInterface;
-- Access types
TYPE Input IS ACCESS ALL InputInterface'Class;
TYPE Output IS ACCESS ALL OutputInterface'Class;
TYPE InputOutput IS ACCESS ALL InputOutputInterface'Class;
END Angle;