From aece18bb2c0d3d0670bb22697982bd744e8f6327 Mon Sep 17 00:00:00 2001 From: Cody Boone Ferguson <53008573+xexyl@users.noreply.github.com> Date: Sun, 15 Oct 2023 10:15:05 -0700 Subject: [PATCH] Format fix 2013/morgan1/README.md --- 2013/morgan1/README.md | 74 ++++++++++++++++++++++++------------------ 1 file changed, 42 insertions(+), 32 deletions(-) diff --git a/2013/morgan1/README.md b/2013/morgan1/README.md index 73da297a5..3e20cef81 100644 --- a/2013/morgan1/README.md +++ b/2013/morgan1/README.md @@ -1,7 +1,7 @@ # Smallest large system simulator - Yves-Marie Morgan - +Yves-Marie Morgan
+ ## To build: @@ -37,33 +37,36 @@ observing site. ### Instructions -It displays the position of the 8 planets of the solar system around the sun. +It displays the position of the 8 planets of the solar system around the Sun. The date given in the command line is in the format YYYY/MM/DD (year, month and day). The direction keys can be used to move in time : - Left : go back 1 day. - Right : go forward 1 day. - Down : go back 20 days. - Up : go forward 20 days. +* Left : go back 1 day. +* Right : go forward 1 day. +* Down : go back 20 days. +* Up : go forward 20 days. -It handles correctly all leap years and the switch between julian calendar and -gregorian calendar (10 days missing between 1582/10/04 and 1582/10/15). +It handles correctly all leap years and the switch between [Julian +calendar](https://en.wikipedia.org/wiki/Julian_calendar) and +[Gregorian calendar](https://en.wikipedia.org/wiki/Gregorian_calendar) (10 days +missing between 1582/10/04 and 1582/10/15). The scale is logarithmic to be able to display the 8 planets without having -Mercury, Venus, Earth and Mars squizzed around the sun. +Mercury, Venus, Earth and Mars squeezed around the Sun. -The size is not proportinal either. +The size is not proportional either. ### Bonus -It also displays the position of 2 famous comets during their last approach : -- The first one arround the third IOCCC. +It also displays the position of 2 famous comets during their last approach: + +- The first one around the third IOCCC. - The second one between the thirteenth and fourteenth IOCCC. ### Limitations * ASCII character set is assumed. -* a c99 compiler is required (for some math.h functions). +* A C99 compiler is required (for some `math.h` functions). * The position should be correct for years between (-1000; +3000) * The approximations done in the formula are OK for displaying the position around the sun but not for other applications like ephemeride or @@ -72,33 +75,40 @@ It also displays the position of 2 famous comets during their last approach : ### Obfuscation * Reuse of 1 letter variables. -* Only the main function with some for loops. +* Only the main function with some `for` loops. * Constants for orbital elements encoded in a string. -* Hexadecimal and decimal values used inconsitentely. -* Comparisons order are not consitent. +* Hexadecimal and decimal values used inconsistently. +* Comparisons order are not consistent. * A lot of stuff is done in the different parts of the for loop. ### Compilation warnings -with gcc 4.7.2 on Linux Ubuntu 12.10 : -* prog.c:38:3: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] -* prog.c:40:34: warning: value computed is not used [-Wunused-value] -* prog.c:56:6: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] -* prog.c:58:50: warning: value computed is not used [-Wunused-value] -* prog.c:61:5: warning: suggest parentheses around ‘-’ inside ‘>>’ [-Wparentheses] +With gcc 4.7.2 on Linux Ubuntu 12.10: -with clang 3.1 on Linux Ubuntu 12.10 : -* prog.c:38:49: warning: '&&' within '||' [-Wlogical-op-parentheses] -* prog.c:38:27: warning: '&&' within '||' [-Wlogical-op-parentheses] -* prog.c:55:13: warning: '&&' within '||' [-Wlogical-op-parentheses] -* prog.c:56:14: warning: '&&' within '||' [-Wlogical-op-parentheses] +``` +prog.c:38:3: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] +prog.c:40:34: warning: value computed is not used [-Wunused-value] +prog.c:56:6: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] +prog.c:58:50: warning: value computed is not used [-Wunused-value] +prog.c:61:5: warning: suggest parentheses around ‘-’ inside ‘>>’ [-Wparentheses] +``` -Due to most parentheses and braces removed when unecessary. +With clang 3.1 on Linux Ubuntu 12.10 : + +``` +prog.c:38:49: warning: '&&' within '||' [-Wlogical-op-parentheses] +prog.c:38:27: warning: '&&' within '||' [-Wlogical-op-parentheses] +prog.c:55:13: warning: '&&' within '||' [-Wlogical-op-parentheses] +prog.c:56:14: warning: '&&' within '||' [-Wlogical-op-parentheses] +``` + +This is due to most of the parentheses and braces being removed when +unnecessary. To verify the display, you can look at one of this programs : -* xephem : http://www.clearskyinstitute.com/xephem/ -* homeplanet : http://www.fourmilab.ch/homeplanet/ -* http://www.theplanetstoday.com/ +* xephem : https://web.archive.org/web/20130310133219/http://www.clearskyinstitute.com/xephem/ +* homeplanet : https://www.fourmilab.ch/homeplanet/ +* https://www.theplanetstoday.com ## Copyright and CC BY-SA 4.0 License: