72 lines
4.8 KiB
Rexx
Executable File
72 lines
4.8 KiB
Rexx
Executable File
#!@OOREXX_SHEBANG_PROGRAM@
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/*----------------------------------------------------------------------------*/
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/* */
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/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
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/* Copyright (c) 2005-2021 Rexx Language Association. All rights reserved. */
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/* */
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/* This program and the accompanying materials are made available under */
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/* the terms of the Common Public License v1.0 which accompanies this */
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/* distribution. A copy is also available at the following address: */
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/* https://www.oorexx.org/license.html */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* Redistributions of source code must retain the above copyright */
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/* notice, this list of conditions and the following disclaimer. */
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/* Redistributions in binary form must reproduce the above copyright */
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/* notice, this list of conditions and the following disclaimer in */
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/* the documentation and/or other materials provided with the distribution. */
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/* */
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/* Neither the name of Rexx Language Association nor the names */
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/* of its contributors may be used to endorse or promote products */
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/* derived from this software without specific prior written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
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/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
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/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
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/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
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/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
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/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
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/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
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/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
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/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
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/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/*----------------------------------------------------------------------------*/
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/******************************************************************************/
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/* usecomp.rex Open Object Rexx Samples */
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/* */
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/* A simple demonstration of the complex number class */
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/* */
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/* */
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/* -------------------------------------------------------------------------- */
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/* */
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/* Description: */
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/* This program demonstrates use of the ::requires directive using the */
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/* complex number class included in the samples. */
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/******************************************************************************/
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Say 'A simple example of complex number arithmetic:'
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comp1 = .complex~new(-6,4) /* create two complex numbers */
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comp2 = .complex[4,1] /* alternate syntax */
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comp3 = .complex[-8] /* imaginary part omitted */
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comp4 = .complex[, -1] /* real part omitted */
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/* Note that SAY uses the STRING method of the COMPLEX class for display */
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say '-('comp1') is' (-comp1)
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say '('comp2')~abs is' comp2~abs
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say '('comp1') + ('comp2') is' comp1+comp2
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say '('comp1') - ('comp2') is' comp1-comp2
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say '('comp1') * ('comp2') is' comp1*comp2
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say '('comp1') / ('comp2') is' comp1/comp2
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/* Note that comparisons and SORT use the COMPARETO method for ordering */
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say '('comp1') > ('comp2') is' (comp1>comp2)
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say '.Array~of(('comp1'), ('comp2'), ('comp3'), ('comp4'))~sort[1] is' -
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.Array~of(comp1, comp2, comp3, comp4)~sort[1]
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::REQUIRES 'complex.cls'
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