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| 33a3f85e GM |
1 | (* LongMath.def provides access to the ShortReal intrinsics. |
| 2 | ||
| a945c346 | 3 | Copyright (C) 2023-2024 Free Software Foundation, Inc. |
| 33a3f85e GM |
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. |