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(* LongMath.mod implement the ISO LongMath specification.
Copyright (C) 2023-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaiusmod2@gmail.com>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. *)
IMPLEMENTATION MODULE ShortMath ;
IMPORT libm ;
IMPORT cbuiltin ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_sqrtf)) sqrt (x: SHORTREAL): SHORTREAL;
(* Returns the positive square root of x *)
BEGIN
RETURN cbuiltin.sqrtf (x)
END sqrt ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_expf)) exp (x: SHORTREAL): SHORTREAL;
(* Returns the exponential of x *)
BEGIN
RETURN cbuiltin.expf (x)
END exp ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_logf)) ln (x: SHORTREAL): SHORTREAL;
(* Returns the natural logarithm of x *)
BEGIN
RETURN cbuiltin.logf (x)
END ln ;
(* The angle in all trigonometric functions is measured in radians *)
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_sinf)) sin (x: SHORTREAL): SHORTREAL;
(* Returns the sine of x *)
BEGIN
RETURN cbuiltin.sinf (x)
END sin ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_cosf)) cos (x: SHORTREAL): SHORTREAL;
(* Returns the cosine of x *)
BEGIN
RETURN cbuiltin.cosf (x)
END cos ;
PROCEDURE tan (x: SHORTREAL): SHORTREAL;
(* Returns the tangent of x *)
BEGIN
RETURN libm.tanf (x)
END tan ;
PROCEDURE arcsin (x: SHORTREAL): SHORTREAL;
(* Returns the arcsine of x *)
BEGIN
RETURN libm.asinf (x)
END arcsin ;
PROCEDURE arccos (x: SHORTREAL): SHORTREAL;
(* Returns the arccosine of x *)
BEGIN
RETURN libm.acosf (x)
END arccos ;
PROCEDURE arctan (x: SHORTREAL): SHORTREAL;
(* Returns the arctangent of x *)
BEGIN
RETURN libm.atanf (x)
END arctan ;
PROCEDURE power (base, exponent: SHORTREAL): SHORTREAL;
(* Returns the value of the number base raised to the power exponent *)
BEGIN
RETURN libm.powf (base, exponent)
END power ;
PROCEDURE round (x: SHORTREAL) : INTEGER;
(* Returns the value of x rounded to the nearest integer *)
BEGIN
RETURN TRUNC (x)
END round ;
PROCEDURE IsRMathException (): BOOLEAN;
(* Returns TRUE if the current coroutine is in the
exceptional execution state because of the raising
of an exception in a routine from this module; otherwise
returns FALSE.
*)
BEGIN
RETURN FALSE
END IsRMathException ;
END ShortMath.
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