« previous next »
Pages: 1 2 [3]

Author Topic: Mathematics for Jailbirds  (Read 11283 times)

0 Members and 0 Guests are viewing this topic.

Mad Dog Mike

  • { }
  • { ∅, { ∅ } }
  • Posts: 5088
  • Life teaches us not to want it.
    • What Now?
Re: Mathematics for Jailbirds
« Reply #30 on: November 06, 2020, 10:54:32 am »
Not only is it beneficial to my own well-being, as mentioned by Holden, as far as giving my Lebenswelt (Lifeworld) a dimension which serves as a barrier/force-field protecting me from "chasing distractions," but I imagine that any human being with the aptitude or raw inclination, when authentically faced with NOTHING TO DO, NOWHERE TO GO, NO ONE TO KNOW, and NO ONE TO BE might discover fruitful mental representations populating the wetware, and, alas, there might be a sacred semblence of sanity, that is, sentience with some kind of exploratory-developmental dimension of higher-order abstraction.  Breaking structures down to their roots, and using methods based on those structures to "solve problems" (do exercises) ... this creates the abstract dimension.  It can happen in isolation, but I imagine it is more fulfilling to share the discovery process.

Man can not live on bread alone!  (although, since using the bread machine on a daily basis, I shot from 126 to steady 138 pounds)   ;) [Wile E Coyote finally got something right]

The central control center is the CONTROL FROM AFAR.  The more our societies resemble wastelands of damaged human lives, the more of a prison/ant-heap/warehouses-of-human-misery ambience the Human Zoo will take on.

Only those with the most disciplined sense of "inner being" will be able to salvage their mental faculties.   Sadly, people may be kept so distracted by the external world puffing itself up into significance, with their official elections and big-fat-ego-scenes, that they never find themselves in such a situation, that is, they do not know an inner life.

And yet those whose lives are thrown into extreme periods of isolation must resort to yoga by instinct, as a matter of maintaining sanity.   One day, maybe materials will be made available on a one-to-one basis.  The governments are not equipped for humane treatment of their "rejects."

Badiou coldly yet accurately surmises that Society deems some members as non-members.  They are defined by their not belonging to.  We have ourselves a Void in the Flesh.
« Last Edit: November 06, 2020, 03:57:15 pm by Sticks and Stones »
Logged
Things They Will Never Tell You:  Arthur Schopenhauer has been the most radical and defiant of all troublemakers.

Gorticide @ Nothing that is so, is so DOT edu

~ Tabak und Kaffee Süchtigen ~

Mad Dog Mike

  • { }
  • { ∅, { ∅ } }
  • Posts: 5088
  • Life teaches us not to want it.
    • What Now?
Re: Mathematics for Jailbirds
« Reply #31 on: September 30, 2025, 04:49:49 am »
The last time I had to compile code in a purely "Microsoft Windows" operating system was in 2019, so I am adding some updated information just in case I continue to exist and have an inkling to compile code for developing or deepening mathematical insight or understanding.


1. https://www.msys2.org/    for the compiler

2. Install some tools like the mingw-w64 GCC to start compiling projects. Run the following command in the MSYS2 terminal:

pacman -S mingw-w64-ucrt-x86_64-gcc


3.  I also ran the following command:

pacman -S --needed base-devel mingw-w64-ucrt-x86_64-toolchain

It skips what is already up to date, then I choose all (gdb, git, etc)

[note to self:  appears to get stuck at step 16/35 (ncurses), but then continues.  Same with 20/35 (openssl)]

see:  https://code.visualstudio.com/docs/cpp/config-mingw#_prerequisites

output in msys2 ucrt (Universa; C Runtime) environment:

Quote
missi@coyote2 UCRT64 ~
$ pacman -S mingw-w64-ucrt-x86_64-gcc
resolving dependencies...
looking for conflicting packages...

Packages (17) mingw-w64-ucrt-x86_64-binutils-2.45-2
              mingw-w64-ucrt-x86_64-crt-git-13.0.0.r124.g2717de84e-1
              mingw-w64-ucrt-x86_64-gcc-libs-15.2.0-8
              mingw-w64-ucrt-x86_64-gettext-runtime-0.26-1
              mingw-w64-ucrt-x86_64-gmp-6.3.0-2
              mingw-w64-ucrt-x86_64-headers-git-13.0.0.r124.g2717de84e-1
              mingw-w64-ucrt-x86_64-isl-0.27-1
              mingw-w64-ucrt-x86_64-libiconv-1.18-1
              mingw-w64-ucrt-x86_64-libwinpthread-13.0.0.r124.g2717de84e-1
              mingw-w64-ucrt-x86_64-mpc-1.3.1-2
              mingw-w64-ucrt-x86_64-mpfr-4.2.2-1
              mingw-w64-ucrt-x86_64-tzdata-2025b-2
              mingw-w64-ucrt-x86_64-windows-default-manifest-6.4-4
              mingw-w64-ucrt-x86_64-winpthreads-13.0.0.r124.g2717de84e-1
              mingw-w64-ucrt-x86_64-zlib-1.3.1-1
              mingw-w64-ucrt-x86_64-zstd-1.5.7-1
              mingw-w64-ucrt-x86_64-gcc-15.2.0-8

Total Download Size:    69.63 MiB
Total Installed Size:  545.50 MiB

:: Proceed with installation? [Y/n] y
:: Retrieving packages...
 mingw-w64-ucrt-x...  1453.5 KiB   861 KiB/s 00:02 [###########] 100%
 mingw-w64-ucrt-x...     4.6 MiB   507 KiB/s 00:09 [###########] 100%
 mingw-w64-ucrt-x...     6.2 MiB   675 KiB/s 00:09 [###########] 100%
 mingw-w64-ucrt-x...   725.4 KiB   693 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...  1050.1 KiB   118 KiB/s 00:09 [###########] 100%
 mingw-w64-ucrt-x...     6.4 MiB   609 KiB/s 00:11 [###########] 100%
 mingw-w64-ucrt-x...   578.5 KiB   756 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...   642.3 KiB   364 KiB/s 00:02 [###########] 100%
 mingw-w64-ucrt-x...   541.9 KiB   578 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...   403.7 KiB   340 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...   128.3 KiB   175 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...   221.1 KiB   181 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...    92.1 KiB  93.5 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...    42.4 KiB  84.7 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...    29.5 KiB  70.0 KiB/s 00:00 [###########] 100%
 mingw-w64-ucrt-x...     3.0 KiB  12.8 KiB/s 00:00 [###########] 100%
 mingw-w64-ucrt-x...    46.6 MiB  1569 KiB/s 00:30 [###########] 100%
 Total (17/17)          69.6 MiB  2.27 MiB/s 00:31 [###########] 100%
(17/17) checking keys in keyring                   [###########] 100%
(17/17) checking package integrity                 [###########] 100%
(17/17) loading package files                      [###########] 100%
(17/17) checking for file conflicts                [###########] 100%
(17/17) checking available disk space              [###########] 100%
:: Processing package changes...
( 1/17) installing mingw-w64-ucrt-x86_64-libwi...  [###########] 100%
( 2/17) installing mingw-w64-ucrt-x86_64-tzdata    [###########] 100%
( 3/17) installing mingw-w64-ucrt-x86_64-gcc-libs  [###########] 100%
( 4/17) installing mingw-w64-ucrt-x86_64-libiconv  [###########] 100%
( 5/17) installing mingw-w64-ucrt-x86_64-gette...  [###########] 100%
( 6/17) installing mingw-w64-ucrt-x86_64-zlib      [###########] 100%
( 7/17) installing mingw-w64-ucrt-x86_64-zstd      [###########] 100%
( 8/17) installing mingw-w64-ucrt-x86_64-binutils  [###########] 100%
( 9/17) installing mingw-w64-ucrt-x86_64-heade...  [###########] 100%
(10/17) installing mingw-w64-ucrt-x86_64-crt-git   [###########] 100%
(11/17) installing mingw-w64-ucrt-x86_64-gmp       [###########] 100%
(12/17) installing mingw-w64-ucrt-x86_64-isl       [###########] 100%
(13/17) installing mingw-w64-ucrt-x86_64-mpfr      [###########] 100%
(14/17) installing mingw-w64-ucrt-x86_64-mpc       [###########] 100%
(15/17) installing mingw-w64-ucrt-x86_64-windo...  [###########] 100%
(16/17) installing mingw-w64-ucrt-x86_64-winpt...  [###########] 100%
(17/17) installing mingw-w64-ucrt-x86_64-gcc       [###########] 100%

missi@coyote2 UCRT64 ~
$ gcc --version
gcc.exe (Rev8, Built by MSYS2 project) 15.2.0
Copyright (C) 2025 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


missi@coyote2 UCRT64 ~
$ pacman -S --needed base-devel mingw-w64-ucrt-x86_64-toolchain
warning: mingw-w64-ucrt-x86_64-binutils-2.45-2 is up to date -- skipping
warning: mingw-w64-ucrt-x86_64-crt-git-13.0.0.r124.g2717de84e-1 is up to date -- skipping
warning: mingw-w64-ucrt-x86_64-gcc-15.2.0-8 is up to date -- skipping
warning: mingw-w64-ucrt-x86_64-headers-git-13.0.0.r124.g2717de84e-1 is up to date -- skipping
warning: mingw-w64-ucrt-x86_64-libwinpthread-13.0.0.r124.g2717de84e-1 is up to date -- skipping
warning: mingw-w64-ucrt-x86_64-winpthreads-13.0.0.r124.g2717de84e-1 is up to date -- skipping
:: There are 7 members in group mingw-w64-ucrt-x86_64-toolchain:
:: Repository ucrt64
   1) mingw-w64-ucrt-x86_64-gdb
   2) mingw-w64-ucrt-x86_64-gdb-multiarch
   3) mingw-w64-ucrt-x86_64-libmangle-git
   4) mingw-w64-ucrt-x86_64-make  5) mingw-w64-ucrt-x86_64-pkgconf
   6) mingw-w64-ucrt-x86_64-tools-git
   7) mingw-w64-ucrt-x86_64-winstorecompat-git

Enter a selection (default=all):
resolving dependencies...
looking for conflicting packages...

Packages (35) binutils-2.45-1  bison-3.8.2-5  diffstat-1.68-1
              diffutils-3.12-1  dos2unix-7.5.2-1  flex-2.6.4-4
              m4-1.4.19-2  make-4.4.1-2
              mingw-w64-ucrt-x86_64-bzip2-1.0.8-3
              mingw-w64-ucrt-x86_64-expat-2.7.1-2
              mingw-w64-ucrt-x86_64-libffi-3.5.1-1
              mingw-w64-ucrt-x86_64-libsystre-1.0.2-1
              mingw-w64-ucrt-x86_64-libtre-0.9.0-1
              mingw-w64-ucrt-x86_64-mpdecimal-4.0.1-1
              mingw-w64-ucrt-x86_64-ncurses-6.5.20241228-3
              mingw-w64-ucrt-x86_64-openssl-3.5.2-1
              mingw-w64-ucrt-x86_64-python-3.12.11-1
              mingw-w64-ucrt-x86_64-readline-8.3.001-1
              mingw-w64-ucrt-x86_64-sqlite3-3.50.4-1
              mingw-w64-ucrt-x86_64-tcl-8.6.16-1
              mingw-w64-ucrt-x86_64-termcap-1.3.1-7
              mingw-w64-ucrt-x86_64-tk-8.6.16-1
              mingw-w64-ucrt-x86_64-xxhash-0.8.3-1
              mingw-w64-ucrt-x86_64-xz-5.8.1-2  patch-2.7.6-3
              texinfo-7.2-2  texinfo-tex-7.2-2  base-devel-2024.11-1
              mingw-w64-ucrt-x86_64-gdb-16.3-1
              mingw-w64-ucrt-x86_64-gdb-multiarch-16.3-1
              mingw-w64-ucrt-x86_64-libmangle-git-13.0.0.r124.g2717de84e-1
              mingw-w64-ucrt-x86_64-make-4.4.1-3
              mingw-w64-ucrt-x86_64-pkgconf-1~2.5.1-1
              mingw-w64-ucrt-x86_64-tools-git-13.0.0.r124.g2717de84e-1
              mingw-w64-ucrt-x86_64-winstorecompat-git-13.0.0.r124.g2717de84e-1

Total Download Size:    63.21 MiB
Total Installed Size:  415.02 MiB

:: Proceed with installation? [Y/n] y
:: Retrieving packages...
 mingw-w64-ucrt-x...     4.6 MiB   612 KiB/s 00:08 [###########] 100%
 binutils-2.45-1-...     5.7 MiB   444 KiB/s 00:13 [###########] 100%
 mingw-w64-ucrt-x...     2.7 MiB   450 KiB/s 00:06 [###########] 100%
 mingw-w64-ucrt-x...     6.3 MiB   415 KiB/s 00:16 [###########] 100%
 mingw-w64-ucrt-x...     7.9 MiB   497 KiB/s 00:16 [###########] 100%
 mingw-w64-ucrt-x...     2.3 MiB   679 KiB/s 00:03 [###########] 100%
 texinfo-7.2-2-x86_64 1473.6 KiB   281 KiB/s 00:05 [###########] 100%
 mingw-w64-ucrt-x...  1747.6 KiB   308 KiB/s 00:06 [###########] 100%
 mingw-w64-ucrt-x...    23.2 MiB  1004 KiB/s 00:24 [###########] 100%
 mingw-w64-ucrt-x...   866.4 KiB   127 KiB/s 00:07 [###########] 100%
 mingw-w64-ucrt-x...     2.0 MiB   258 KiB/s 00:08 [###########] 100%
 bison-3.8.2-5-x86_64  777.2 KiB   339 KiB/s 00:02 [###########] 100%
 make-4.4.1-2-x86_64   507.6 KiB   179 KiB/s 00:03 [###########] 100%
 mingw-w64-ucrt-x...   500.2 KiB   382 KiB/s 00:01 [###########] 100%
 diffutils-3.12-1...   385.3 KiB   325 KiB/s 00:01 [###########] 100%
 dos2unix-7.5.2-1...   446.5 KiB   222 KiB/s 00:02 [###########] 100%
 mingw-w64-ucrt-x...   337.5 KiB   203 KiB/s 00:02 [###########] 100%
 flex-2.6.4-4-x86_64   303.5 KiB   267 KiB/s 00:01 [###########] 100%
 m4-1.4.19-2-x86_64    238.1 KiB   231 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...   164.9 KiB   153 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...   154.9 KiB   193 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...   138.8 KiB   443 KiB/s 00:00 [###########] 100%
 mingw-w64-ucrt-x...   118.7 KiB   304 KiB/s 00:00 [###########] 100%
 patch-2.7.6-3-x86_64   96.1 KiB   384 KiB/s 00:00 [###########] 100%
 mingw-w64-ucrt-x...    99.6 KiB   121 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...    79.0 KiB   109 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...    76.5 KiB   173 KiB/s 00:00 [###########] 100%
 mingw-w64-ucrt-x...    43.1 KiB  77.7 KiB/s 00:01 [###########] 100%
 diffstat-1.68-1-...    28.9 KiB  70.7 KiB/s 00:00 [###########] 100%
 mingw-w64-ucrt-x...    27.3 KiB  96.0 KiB/s 00:00 [###########] 100%
 mingw-w64-ucrt-x...    25.1 KiB  73.9 KiB/s 00:00 [###########] 100%y
 texinfo-tex-7.2-...    24.2 KiB  33.2 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...    22.9 KiB  40.6 KiB/s 00:01 [###########] 100%
 mingw-w64-ucrt-x...     9.7 KiB  13.9 KiB/s 00:01 [###########] 100%
 base-devel-2024....  1875.0   B  4.81 KiB/s 00:00 [###########] 100%
 Total (35/35)          63.2 MiB  2.09 MiB/s 00:30 [###########] 100%
(35/35) checking keys in keyring                   [###########] 100%
(35/35) checking package integrity                 [###########] 100%
(35/35) loading package files                      [###########] 100%
(35/35) checking for file conflicts                [###########] 100%
(35/35) checking available disk space              [###########] 100%
:: Processing package changes...
( 1/35) installing binutils                        [###########] 100%
( 2/35) installing m4                              [###########] 100%
( 3/35) installing bison                           [###########] 100%
( 4/35) installing diffstat                        [###########] 100%
( 5/35) installing diffutils                       [###########] 100%
( 6/35) installing dos2unix                        [###########] 100%
( 7/35) installing flex                            [###########] 100%
( 8/35) installing texinfo                         [###########] 100%
( 9/35) installing texinfo-tex                     [###########] 100%
(10/35) installing make                            [###########] 100%
(11/35) installing patch                           [###########] 100%
Optional dependencies for patch
    ed: for patch -e functionality
(12/35) installing base-devel                      [###########] 100%
(13/35) installing mingw-w64-ucrt-x86_64-expat     [###########] 100%
(14/35) installing mingw-w64-ucrt-x86_64-libtre    [###########] 100%
(15/35) installing mingw-w64-ucrt-x86_64-libsystre [###########] 100%
(16/35) installing mingw-w64-ucrt-x86_64-ncurses   [###########] 100%
(17/35) installing mingw-w64-ucrt-x86_64-bzip2     [###########] 100%
(18/35) installing mingw-w64-ucrt-x86_64-libffi    [###########] 100%
(19/35) installing mingw-w64-ucrt-x86_64-mpdecimal [###########] 100%
(20/35) installing mingw-w64-ucrt-x86_64-openssl   [###########] 100%
Optional dependencies for mingw-w64-ucrt-x86_64-openssl
    mingw-w64-ucrt-x86_64-ca-certificates
(21/35) installing mingw-w64-ucrt-x86_64-termcap   [###########] 100%
(22/35) installing mingw-w64-ucrt-x86_64-readline  [###########] 100%
(23/35) installing mingw-w64-ucrt-x86_64-sqlite3   [###########] 100%
Optional dependencies for mingw-w64-ucrt-x86_64-sqlite3
    mingw-w64-ucrt-x86_64-tcl: for sqlite3_analyzer [pending]
(24/35) installing mingw-w64-ucrt-x86_64-tcl       [###########] 100%
(25/35) installing mingw-w64-ucrt-x86_64-tk        [###########] 100%
(26/35) installing mingw-w64-ucrt-x86_64-xz        [###########] 100%
(27/35) installing mingw-w64-ucrt-x86_64-python    [###########] 100%
(28/35) installing mingw-w64-ucrt-x86_64-xxhash    [###########] 100%
(29/35) installing mingw-w64-ucrt-x86_64-gdb       [###########] 100%
Optional dependencies for mingw-w64-ucrt-x86_64-gdb
    mingw-w64-ucrt-x86_64-python-pygments: for syntax highlighting
(30/35) installing mingw-w64-ucrt-x86_64-gdb-m...  [###########] 100%
Optional dependencies for mingw-w64-ucrt-x86_64-gdb-multiarch
    mingw-w64-ucrt-x86_64-python-pygments: for syntax highlighting
(31/35) installing mingw-w64-ucrt-x86_64-libma...  [###########] 100%
(32/35) installing mingw-w64-ucrt-x86_64-make      [###########] 100%
(33/35) installing mingw-w64-ucrt-x86_64-pkgconf   [###########] 100%
(34/35) installing mingw-w64-ucrt-x86_64-tools-git [###########] 100%
(35/35) installing mingw-w64-ucrt-x86_64-winst...  [###########] 100%
:: Running post-transaction hooks...
(1/1) Updating the info directory file...

missi@coyote2 UCRT64 ~
$
Here, "missi" is the directory C:\Users\missi on an old computer I named "coyote2"

4. To update MSYS2, run :

pacman -Suy
the output:
Quote
missi@coyote2 UCRT64 ~
$ pacman -Suy
:: Synchronizing package databases...
 clangarm64            491.3 KiB   202 KiB/s 00:02 [###########] 100%
 mingw32               125.0 KiB  64.7 KiB/s 00:02 [###########] 100%
 mingw64               470.1 KiB   190 KiB/s 00:02 [###########] 100%
 ucrt64                515.6 KiB   219 KiB/s 00:02 [###########] 100%
 clang64               503.5 KiB   199 KiB/s 00:03 [###########] 100%
 msys                  407.6 KiB   181 KiB/s 00:02 [###########] 100%
:: Starting core system upgrade...
warning: terminate other MSYS2 programs before proceeding
resolving dependencies...
looking for conflicting packages...

Packages (3) mintty-1~3.8.1-1  msys2-runtime-3.6.4-2  pacman-6.1.0-19

Total Download Size:   10.05 MiB
Total Installed Size:  54.79 MiB
Net Upgrade Size:       1.71 MiB

:: Proceed with installation? [Y/n] y
:: Retrieving packages...
 mintty-1~3.8.1-1...  1310.6 KiB   599 KiB/s 00:02 [###########] 100%
 msys2-runtime-3....  1941.2 KiB   791 KiB/s 00:02 [###########] 100%
 pacman-6.1.0-19-...     6.9 MiB  1415 KiB/s 00:05 [###########] 100%
 Total (3/3)            10.1 MiB  2025 KiB/s 00:05 [###########] 100%
(3/3) checking keys in keyring                     [###########] 100%
(3/3) checking package integrity                   [###########] 100%
(3/3) loading package files                        [###########] 100%
(3/3) checking for file conflicts                  [###########] 100%
(3/3) checking available disk space                [###########] 100%
:: Processing package changes...
(1/3) upgrading mintty                             [###########] 100%
(2/3) upgrading msys2-runtime                      [###########] 100%
(3/3) upgrading pacman                             [###########] 100%
:: To complete this update all MSYS2 processes including this terminal will be closed. Confirm to proceed [Y/n]

Add the path of your MinGW-w64 bin folder to the Windows PATH environment variable by using the following steps:

1. In the Windows search bar, type Settings to open your Windows Settings.

2. Search for Edit environment variables for your account.

3. In your User variables, select the Path variable and then select Edit.

4. Select New and add the MinGW-w64 destination folder you recorded during the installation process to the list. If you used the default settings above, then this will be the path: C:\msys64\ucrt64\bin.

5. Select OK, and then select OK again in the Environment Variables window to update the PATH environment variable. You have to reopen any console windows for the updated PATH environment variable to be available.


Check your MinGW installation

To check that your MinGW-w64 tools are correctly installed and available, open a new Command Prompt and type:

gcc --version
g++ --version
gdb --version

You should see output that states which versions of GCC, g++ and GDB you have installed.

Quote
Microsoft Windows [Version 10.0.19045.6396]
(c) Microsoft Corporation. All rights reserved.

C:\Users\missi>gcc --version
gcc (Rev8, Built by MSYS2 project) 15.2.0
Copyright (C) 2025 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


C:\Users\missi>g++ --version
g++ (Rev8, Built by MSYS2 project) 15.2.0
Copyright (C) 2025 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


C:\Users\missi>gdb --version
GNU gdb (GDB) 16.3
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

C:\Users\missi>

I want to start with something basic and fundamental.

I open classic cmd.exe (evolved from "MS-DOS prompt command line"):

mkdir projects
cd projects
mkdir GCD
cd GCD
code .

The "code ." command opens VS Code in the current working folder, which becomes your "workspace".


When I compiled gcd.c  in VS Code, it created output firectory, where gcd.exe is placed, the binary executable program.   I can run it in cmd.exe, but not in PowerShell or "terminal" ---

solution?
 
Quote
The command gcd was not found, but does exist in the current location. Windows PowerShell does not load commands from the current location by default. If you trust this command, instead type: ".\gcd".
PS C:\Users\missi\bin> .\gcd 45 78
gcd(45,78) = 3

Interesting.  In Unix/Linux, one would use ./gcd.
Powershell uses .\ backslash

I will add this C:\Users\missi\bin directory to PATH so that I can call it from anywhere.  This is where I place my execuable "binaries" ...
__________________________________________________
gcd.c
__________________________________________________

#include <stdio.h>
#include <stdlib.h>

int gcd(int a, int b);

void main(int argc, char *argv[])    {

  int x, y, z;
  x = atoi(argv[1]);
  y = atoi(argv[2]);
  z = gcd(x, y);
  printf("gcd(%d,%d) = %d\n", x, y, z);

}

int gcd(int a, int b)    {

  int t;
  while (a)
    {
      t = a;
      a = b%a;
      b = t;
    }
  return b;
}

« Last Edit: September 30, 2025, 06:39:09 am by Kaspar Hauser »
Logged
Things They Will Never Tell You:  Arthur Schopenhauer has been the most radical and defiant of all troublemakers.

Gorticide @ Nothing that is so, is so DOT edu

~ Tabak und Kaffee Süchtigen ~
Pages: 1 2 [3]
« previous next »