mirror of
https://github.com/Mercury-Language/mercury.git
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af23a48a2b
extras/gator/gator:
Update programming style. Fix indentation. Add a vim modeline.
extras/gator/genotype.m:
extras/gator/phenotype.m:
Fix indentation.
extras/lex/regex.m:
Replace if-then-else chain with a switch.
extras/base64/base64.m:
extras/cgi/cgi.m:
extras/cgi/form_test.m:
extras/cgi/html.m:
extras/cgi/mercury_www.m:
extras/complex_numbers/complex_numbers.complex.m:
extras/complex_numbers/complex_numbers.complex_float.m:
extras/complex_numbers/complex_numbers.complex_imag.m:
extras/complex_numbers/complex_numbers.float_complex.m:
extras/complex_numbers/complex_numbers.float_imag.m:
extras/complex_numbers/complex_numbers.imag.m:
extras/complex_numbers/complex_numbers.imag_complex.m:
extras/complex_numbers/complex_numbers.imag_float.m:
extras/complex_numbers/complex_numbers.m:
extras/curs/curs.m:
extras/dynamic_linking/dl_test.m:
extras/dynamic_linking/dl_test2.m:
extras/dynamic_linking/hello.m:
extras/error/error.m:
extras/fixed/fixed.m:
extras/fixed/mercury_fixed.m:
extras/java_extras/make_temp.m:
extras/lex/lex.automata.m:
extras/lex/lex.buf.m:
extras/lex/lex.convert_NFA_to_DFA.m:
extras/lex/lex.lexeme.m:
extras/lex/lex.m:
extras/lex/lex.regexp.m:
extras/logged_output/logged_output.m:
extras/logged_output/main.m:
extras/monte/doit.m:
extras/monte/dots.m:
extras/monte/geom.m:
extras/monte/hg.m:
extras/monte/monte.m:
extras/monte/rnd.m:
extras/mopenssl/mopenssl.m:
extras/odbc/mercury_odbc.m:
extras/odbc/odbc.m:
extras/odbc/odbc_test.m:
extras/posix/posix.chdir.m:
extras/posix/posix.closedir.m:
extras/posix/posix.dup.m:
extras/posix/posix.exec.m:
extras/posix/posix.fork.m:
extras/posix/posix.getpid.m:
extras/posix/posix.kill.m:
extras/posix/posix.lseek.m:
extras/posix/posix.m:
extras/posix/posix.mkdir.m:
extras/posix/posix.open.m:
extras/posix/posix.opendir.m:
extras/posix/posix.pipe.m:
extras/posix/posix.read.m:
extras/posix/posix.readdir.m:
extras/posix/posix.realpath.m:
extras/posix/posix.rmdir.m:
extras/posix/posix.select.m:
extras/posix/posix.sleep.m:
extras/posix/posix.socket.m:
extras/posix/posix.stat.m:
extras/posix/posix.strerror.m:
extras/posix/posix.wait.m:
extras/posix/posix.write.m:
extras/quickcheck/qcheck.m:
extras/quickcheck/rnd.m:
extras/quickcheck/test_qcheck.m:
extras/show_ops/show_ops.m:
extras/split_file/split_file.m:
extras/windows_installer_generator/wix.m:
extras/windows_installer_generator/wix_files.m:
extras/windows_installer_generator/wix_gui.m:
extras/windows_installer_generator/wix_installer.m:
extras/windows_installer_generator/wix_util.m:
Apply tools/stdlines to all these files.
73 lines
2.3 KiB
Mathematica
73 lines
2.3 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ft=mercury ts=4 sw=4 et
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%---------------------------------------------------------------------------%
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% Copyright (C) 1997-1998,2001, 2004-2006 The University of Melbourne.
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% Copyright (C) 2015, 2018, 2025 The Mercury team.
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% This file is distributed under the terms specified in COPYING.LIB.
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%---------------------------------------------------------------------------%
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%
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% File: float_complex.m.
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% Main author: fjh.
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% Stability: medium.
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%
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% This module provides binary operators on (float, complex).
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%
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% See also: complex.m, float.m, complex_float.m.
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%
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%---------------------------------------------------------------------------%
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:- module complex_numbers.float_complex.
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:- interface.
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:- import_module complex_numbers.complex.
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:- import_module float.
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%---------------------------------------------------------------------------%
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% Addition.
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%
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:- func float + complex = complex.
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:- mode in + in = uo is det.
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% Subtraction.
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%
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:- func float - complex = complex.
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:- mode in - in = uo is det.
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% Multiplication.
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%
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:- func float * complex = complex.
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:- mode in * in = uo is det.
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% Division.
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%
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:- func float / complex = complex.
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:- mode in / in = uo is det.
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- implementation.
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:- import_module complex_numbers.complex_float.
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%---------------------------------------------------------------------------%
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XR + cmplx(YR, YI) = cmplx(XR + YR, + YI).
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XR - cmplx(YR, YI) = cmplx(XR - YR, - YI).
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XR * cmplx(YR, YI) = cmplx(XR * YR, XR * YI).
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XR / cmplx(YR, YI) = cmplx(XR * YR / Div, - XR * YI / Div) :-
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Div = YR * YR + YI * YI.
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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% Division of float / complex formula obtained by simplifying this one:
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% cmplx(Xr, Xi) / cmplx(Yr, Yi) =
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% cmplx((Xr * Yr + Xi * Yi) / Div, (Xi * Yr - Xr * Yi) / Div) :-
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% Div = (Yr * Yr + Yi * Yi).
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%---------------------------------------------------------------------------%
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:- end_module complex_numbers.float_complex.
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%---------------------------------------------------------------------------%
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