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(* MathLib0.mod provides access to math functions.
Copyright (C) 2003-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
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 MathLib0 ;
IMPORT cbuiltin, libm ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_sqrt)) sqrt (x: REAL): REAL;
BEGIN
RETURN cbuiltin.sqrt (x)
END sqrt ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_sqrtl)) sqrtl (x: LONGREAL): LONGREAL;
BEGIN
RETURN cbuiltin.sqrtl (x)
END sqrtl ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_sqrts)) sqrts (x: SHORTREAL) : SHORTREAL ;
BEGIN
RETURN cbuiltin.sqrtf (x)
END sqrts ;
PROCEDURE exp (x: REAL) : REAL ;
BEGIN
RETURN libm.exp (x)
END exp ;
PROCEDURE exps (x: SHORTREAL) : SHORTREAL ;
BEGIN
RETURN libm.expf (x)
END exps ;
PROCEDURE expl (x: LONGREAL) : LONGREAL ;
BEGIN
RETURN libm.expl (x)
END expl ;
(*
log (b)
log (b) = c
a ------
log (a)
c
*)
PROCEDURE ln (x: REAL) : REAL ;
BEGIN
RETURN libm.log (x) / libm.log (exp1)
END ln ;
PROCEDURE lns (x: SHORTREAL) : SHORTREAL ;
BEGIN
RETURN libm.logf (x) / libm.logf (exp1)
END lns ;
PROCEDURE lnl (x: LONGREAL) : LONGREAL ;
BEGIN
RETURN libm.logl (x) / libm.logl (exp1)
END lnl ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_sin)) sin (x: REAL) : REAL ;
BEGIN
RETURN cbuiltin.sin (x)
END sin ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_sinl)) sinl (x: LONGREAL) : LONGREAL ;
BEGIN
RETURN cbuiltin.sinl (x)
END sinl ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_sinf)) sins (x: SHORTREAL) : SHORTREAL ;
BEGIN
RETURN cbuiltin.sinf (x)
END sins ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_cos)) cos (x: REAL) : REAL ;
BEGIN
RETURN cbuiltin.cos (x)
END cos ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_cosf)) coss (x: SHORTREAL) : SHORTREAL ;
BEGIN
RETURN cbuiltin.cosf (x)
END coss ;
PROCEDURE __ATTRIBUTE__ __BUILTIN__ ((__builtin_cosl)) cosl (x: LONGREAL) : LONGREAL ;
BEGIN
RETURN cbuiltin.cosl (x)
END cosl ;
PROCEDURE tan (x: REAL) : REAL ;
BEGIN
RETURN libm.tan (x)
END tan ;
PROCEDURE tanl (x: LONGREAL) : LONGREAL ;
BEGIN
RETURN libm.tanl (x)
END tanl ;
PROCEDURE tans (x: SHORTREAL) : SHORTREAL ;
BEGIN
RETURN libm.tanf (x)
END tans ;
PROCEDURE arctan (x: REAL) : REAL ;
BEGIN
RETURN libm.atan (x)
END arctan ;
PROCEDURE arctans (x: SHORTREAL) : SHORTREAL ;
BEGIN
RETURN libm.atanf (x)
END arctans ;
PROCEDURE arctanl (x: LONGREAL) : LONGREAL ;
BEGIN
RETURN libm.atanl (x)
END arctanl ;
PROCEDURE entier (x: REAL) : INTEGER ;
BEGIN
RETURN TRUNC (libm.floor (x))
END entier ;
PROCEDURE entiers (x: SHORTREAL) : INTEGER ;
BEGIN
RETURN TRUNC (libm.floorf (x))
END entiers ;
PROCEDURE entierl (x: LONGREAL) : INTEGER ;
BEGIN
RETURN TRUNC (libm.floorl (x))
END entierl ;
END MathLib0.
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