gcc/m2/gm2-libs-iso/ShortMath.def

   1 (* LongMath.def provides access to the ShortReal intrinsics.
   2
   3 Copyright (C) 2023-2024 Free Software Foundation, Inc.
   4 Contributed by Gaius Mulley <gaiusmod2@gmail.com>.
   5
   6 This file is part of GNU Modula-2.
   7
   8 GNU Modula-2 is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GNU Modula-2 is distributed in the hope that it will be useful, but
  14 WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 General Public License for more details.
  17
  18 Under Section 7 of GPL version 3, you are granted additional
  19 permissions described in the GCC Runtime Library Exception, version
  20 3.1, as published by the Free Software Foundation.
  21
  22 You should have received a copy of the GNU General Public License and
  23 a copy of the GCC Runtime Library Exception along with this program;
  24 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 <http://www.gnu.org/licenses/>.  *)
  26
  27 DEFINITION MODULE ShortMath;
  28
  29   (* Mathematical functions for the type LONGREAL *)
  30
  31 CONST
  32   pi   = 3.1415926535897932384626433832795028841972;
  33   exp1 = 2.7182818284590452353602874713526624977572;
  34
  35 PROCEDURE __BUILTIN__ sqrt (x: SHORTREAL): SHORTREAL;
  36   (* Returns the positive square root of x *)
  37
  38 PROCEDURE __BUILTIN__ exp (x: SHORTREAL): SHORTREAL;
  39   (* Returns the exponential of x *)
  40
  41 PROCEDURE __BUILTIN__ ln (x: SHORTREAL): SHORTREAL;
  42   (* Returns the natural logarithm of x *)
  43
  44   (* The angle in all trigonometric functions is measured in radians *)
  45
  46 PROCEDURE __BUILTIN__ sin (x: SHORTREAL): SHORTREAL;
  47   (* Returns the sine of x *)
  48
  49 PROCEDURE __BUILTIN__ cos (x: SHORTREAL): SHORTREAL;
  50   (* Returns the cosine of x *)
  51
  52 PROCEDURE tan (x: SHORTREAL): SHORTREAL;
  53   (* Returns the tangent of x *)
  54
  55 PROCEDURE arcsin (x: SHORTREAL): SHORTREAL;
  56   (* Returns the arcsine of x *)
  57
  58 PROCEDURE arccos (x: SHORTREAL): SHORTREAL;
  59   (* Returns the arccosine of x *)
  60
  61 PROCEDURE arctan (x: SHORTREAL): SHORTREAL;
  62   (* Returns the arctangent of x *)
  63
  64 PROCEDURE power (base, exponent: SHORTREAL): SHORTREAL;
  65   (* Returns the value of the number base raised to the power exponent *)
  66
  67 PROCEDURE round (x: SHORTREAL): INTEGER;
  68   (* Returns the value of x rounded to the nearest integer *)
  69
  70 PROCEDURE IsRMathException (): BOOLEAN;
  71   (* Returns TRUE if the current coroutine is in the exceptional
  72      execution state because of the raising of an exception in a
  73      routine from this module; otherwise returns FALSE.
  74   *)
  75
  76 END ShortMath.