diff --git a/2012/endoh1/.gitignore b/2012/endoh1/.gitignore index 97dd818c8..4bda9d8f3 100644 --- a/2012/endoh1/.gitignore +++ b/2012/endoh1/.gitignore @@ -1 +1,3 @@ endoh1 +endoh1.alt +endoh1_color diff --git a/2012/endoh1/Makefile b/2012/endoh1/Makefile index 9e3a9eed8..a81d86abf 100644 --- a/2012/endoh1/Makefile +++ b/2012/endoh1/Makefile @@ -1,96 +1,160 @@ #!/usr/bin/env make # -# 2012 makefile +# IOCCC 2012 winning entry - endoh1 + +################################################################################ # -# This work by Landon Curt Noll, Simon Cooper, and Leonid A. Broukhis -# is licensed under: +# Regarding individual entries: +# +# IOCCC winning entry code may not work on your system. Even with standards, +# conditions and build environments change, especially when it comes to more +# extreme code such you might find in an IOCCC winner. Moreover, what was +# allowed and liked in one IOCCC contest may no longer be liked/allowed in +# later IOCCC years. +# +# Corrections on winning author and fixing typos in remarks are VERY WELCOME. +# +# GitHub pull requests are welcome: +# +# If you have a patch that might make running an entry work in modern Unix-like +# environments, please create a GitHub pull request for the IOCCC judges to +# consider. +# +# Suggestions and corrections regarding Makefiles, winning author information, +# fixing typos in remarks, and code patches are welcome via opening a GitHub +# issue or better yet, by creating a GitHub pull request for the IOCCC judges +# to consider. To form a GitHub issue or GitHub pull, please visit: +# +# https://github.com/ioccc-src/winner +# +################################################################################ + +# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under: # # Creative Commons Attribution-ShareAlike 3.0 Unported License. # # See: http://creativecommons.org/licenses/by-sa/3.0/ -################ -# tool locations -################ +############################# +# shell used by this Makefile +############################# # SHELL= bash -CP= cp -CPP= cpp -GUNZIP= gunzip -LD= ld -MAKE= make -RM= rm -SED= sed -TAR= tar -TRUE= true + +####################### +# common tool locations +####################### +# +include ../../var.mk # Set X11_LIBDIR to the directory where the X11 library resides # -X11_LIBDIR= /usr/X11R6/lib +#X11_LIBDIR= /usr/X11R6/lib +#X11_LIBDIR= /usr/X11/lib +X11_LIBDIR= /opt/X11/lib # Set X11_INCLUDEDIR to the directory where the X11 include files reside # -X11_INCDIR= /usr/X11R6/include +#X11_INCDIR= /usr/X11R6/include +#X11_INCDIR= /usr/X11/include +X11_INCDIR= /opt/X11/include -# Compiler warnings +# Common C compiler warnings to silence # -#CWARN= -#CWARN= -Wall -W -CWARN= -Wall -W -pedantic +#CSILENCE= +CSILENCE= -Wno-absolute-value -# compiler standard +# Common C compiler warning flags +# +#CWARN= ${CSILENCE} +#CWARN= -Wall ${CSILENCE} +#CWARN= -Wall -Wextra ${CSILENCE} +CWARN= -Wall -Wextra -pedantic ${CSILENCE} + +# Compiler standard # #CSTD= #CSTD= -ansi -CSTD= -std=c99 +CSTD= -std=gnu11 -# compiler bit architecture +# Compiler bit architecture # # Some entries require 32-bitness: # ARCH= -m32 # -# Some entries require 64-bitess: +# Some entries require 64-bitness: # ARCH= -m64 # # By default we assume nothing: # ARCH= -# optimization +# Defines that are needed to compile +# +#CDEFINE= +CDEFINE= -DG="$G" -DP="$P" -DV="$V" + +# Include files that are needed to compile +# +CINCLUDE= +#CINCLUDE= -include stdlib.h +#CINCLUDE= -include stdio.h +#CINCLUDE= -include stdlib.h -include stdio.h +#CINCLUDE= -I ${X11_INCDIR} -I ${X11_INCDIR}/X11 +#CINCLUDE= `${SDL2_CONFIG} --cflags` + +# Optimization # # Most compiles will safely use -O2. Some can use only -O1 or -O. # A few compilers have broken optimizers or this entry make break # under those buggy optimizers and thus you may not want anything. +# Reasonable compilers will allow for -O3. # #OPT= #OPT= -O #OPT= -O1 -OPT= -O2 -#OPT= -O3 +#OPT= -O2 +OPT= -O3 + +# Default flags for ANSI C compilation +# +CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT} # Libraries needed to build # -LIBS= -lm +LIBS= +#LIBS= -lm +#LIBS= -L ${X11_LIBDIR} -lX11 +#LIBS= `${SDL2_CONFIG} --libs` -# default flags for ANSI C compilation -# -CFLAGS= ${CWARN} ${CSTD} ${ARCH} ${OPT} - -# ANSI compiler -# -# Set CC to the name of your ANSI compiler. -# -# Some entries seem to need gcc. If you have gcc, set -# both CC and MAY_NEED_GCC to gcc. -# -# If you do not have gcc, set CC to the name of your ANSI compiler, and -# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just : -# to disable such programs. +# C compiler to use # CC= cc #CC=clang -MAY_NEED_GCC= gcc +#CC=gcc + +# Compiler add-ons or replacements for clang only +# +ifeq ($(CC),clang) +# +CSILENCE+= -Wno-comma -Wno-conversion -Wno-double-promotion -Wno-missing-prototypes \ + -Wno-missing-variable-declarations -Wno-poison-system-directories \ + -Wno-unreachable-code-return +# +CWARN+= -Weverything +# +endif + +# Specific add-ons or replacements for gcc only +# +ifeq ($(CC),gcc) +# +#CSILENCE+= +# +#CWARN+= +# +endif ############################## @@ -98,11 +162,16 @@ MAY_NEED_GCC= gcc ############################## # ENTRY= endoh1 +PROG= ${ENTRY} +# +OBJ= ${PROG}.o DATA= column.txt column2.txt column3.txt corners.txt dripping-pan.txt \ evaporation.txt flat.txt fountain.txt funnel.txt funnel2.txt \ funnel3.txt leidenfrost.txt logo.txt pour-out.txt tanada.txt -ALT_OBJ= endoh1_color.o -ALT_ENTRY= endoh1_color +TARGET= ${PROG} ${PROG}_color +# +ALT_OBJ= ${PROG}.alt.o +ALT_TARGET= ${PROG}.alt # The factor of gravity # @@ -116,59 +185,82 @@ P=4 # V=8 + ################# # build the entry ################# # -all: ${ENTRY} ${DATA} +all: data ${TARGET} @${TRUE} -${ENTRY}: ${ENTRY}.c - ${CC} ${CFLAGS} -DG=$G -DP=$P -DV=$P $< -o $@ ${LIBS} +.PHONY: all alt data everything clean clobber install \ + love haste waste maker easter_egg sandwich \ + supernova deep_magic magic charon pluto + +${PROG}: ${PROG}.c + ${CC} ${CFLAGS} $< -o $@ ${LIBS} + +${PROG}_color: ${PROG}_color.c + ${CC} ${CFLAGS} $< -o $@ ${LIBS} # alternative executable # -alt: ${ALT_ENTRY} +alt: data ${ALT_TARGET} @${TRUE} -endoh1_deobfuscate: endoh1_deobfuscate.c - ${CC} ${CFLAGS} -DG=$G -DP=$P -DV=$P $< -o $@ ${LIBS} - -endoh1_color: endoh1_color.c - ${CC} ${CFLAGS} -DG=$G -DP=$P -DV=$P $< -o $@ ${LIBS} +${PROG}.alt: ${PROG}.alt.c + ${CC} ${CFLAGS} $< -o $@ ${LIBS} # data files # data: ${DATA} @${TRUE} +# both all and alt +# +everything: all alt + ############### # utility rules ############### # -everything: all alt - clean: - ${RM} -f ${ENTRY}.o ${ALT_OBJ} + ${RM} -f ${OBJ} ${ALT_OBJ} + @-if [ -f indent.c ]; then \ + echo ${RM} -f indent.c; \ + ${RM} -f indent.c; \ + fi clobber: clean - ${RM} -f ${ENTRY} ${ALT_ENTRY} - -nuke: clobber - @${TRUE} - -dist_clean: nuke - @${TRUE} + ${RM} -f ${TARGET} ${ALT_TARGET} + @-if [ -e sandwich ]; then \ + ${RM} -f sandwich; \ + echo 'ate sandwich'; \ + fi install: - @echo "Surely you're joking Mr. Feynman!" + @echo "Dr. Spock says that is not logical!" @${TRUE} -# backwards compatibility +# you may be able to misunderstand the source by reading indent.c # -build: all - @${TRUE} +indent.c: ${PROG}.c + @if which "${GINDENT}" >/dev/null 2>&1; then \ + echo ${RM} -f $@; \ + ${RM} -f $@; \ + echo "${GINDENT} < $< > $@"; \ + ${GINDENT} < $< > $@; \ + elif which "${INDENT}" >/dev/null 2>&1; then \ + echo ${RM} -f $@; \ + ${RM} -f $@; \ + echo "${INDENT} < $< > $@"; \ + ${INDENT} < $< > $@; \ + else \ + echo "no intent tool found, ident $< yourself, sorry"; \ + echo "exit 1"; \ + exit 1; \ + fi ################## @@ -184,39 +276,72 @@ haste: @${TRUE} waste: - @echo 'waste' + @echo 'haste' + @${TRUE} + +maker: + @echo 'Participate in a maker faire' @${TRUE} easter_egg: - @echo you expected to mis-understand this $${RANDOM} magic - @echo chongo '' "/\\oo/\\" - @echo Readers shall be disallowed from not being unable to partly misunderstand this partocular final echo. + @echo "you expected to often misunderstand this $${RANDOM} magic" + @echo "chongo '' /\\oo/\\" + @echo "Eggy" -# Understand the history of "I Am the Walrus" and -# and in particular John Lennon's remarks on that -# song and you might be confused about these next -# rules in a different way. :-) -# -supernova: nuke - @-if [ -r .code_anal ]; then \ - ${RM} -f .code_anal_v3; \ +sandwich: easter_egg + @if [ `id -u` -eq 0 ]; then \ + echo 'Okay.'; \ + echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \ else \ - echo "You are not expected to understand this"; \ + echo 'What? Make it yourself.'; \ + exit 1; \ fi + +# Understand the history of the Homebrew Computer Club +# as well as the West Coast Computer Faire and +# you might be confused different. :-) +# +supernova: sandwich + @-if [ -r .code_anal ]; then \ + ${RM} -f .code_anal_v6; \ + else \ + echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \ + fi + @echo "A $@ helps ${MAKE} the elements that help form planets" @${TRUE} -deep_magic: +deep_magic: supernova @-if [ -r .code_anal ]; then \ - ccode_analysis --deep_magic 1c2c85c7a02c55d1add91967eca491d53c101dc1 --FNV1a_hash 256-bit "${ENTRY}"; \ + ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \ + --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \ else \ - echo "Understand different"; \ + echo "Wrong! Do it again!"; \ + sleep 2; \ + echo "Wrong! Do it again!"; \ + sleep 2; \ + echo "Wrong! Do it again!"; \ fi @${TRUE} magic: deep_magic @-if [ -r .code_anal ]; then \ - ccode_analysis --mode 21701 --level 23209 --FNV1a_hash 256-bit "${ENTRY}"; \ + ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \ else \ - echo "These aren't the droids you're looking for Mr. Spock!"; \ + echo "If you don't eat yer meat, you can't have any pudding!"; \ + echo "How can you have any pudding if you don't eat yer meat?!"; \ fi @${TRUE} + +# The IOCCC resident astronomer states +# +charon: magic + @echo "$@ is a dwarf planet" + @echo "dwarf is a type of planet" + @echo "therefore IAU, $@ is a planet" + +pluto: charon + ${MAKE} charon + @echo "$@ is a dwarf planet" + @echo "dwarf is a type of planet" + @echo "therefore, $@ is a planet" + @echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them" diff --git a/2012/endoh1/README.md b/2012/endoh1/README.md index fa8caae54..a8656708d 100644 --- a/2012/endoh1/README.md +++ b/2012/endoh1/README.md @@ -1,28 +1,45 @@ # Most complex ASCII fluid - Honorable mention -Yusuke Endoh - - + Yusuke Endoh + + +# To build: -## Judges' comments: -### To build: - - make endoh1 +```sh +make +``` ### To run: - ./endoh1 < configuration.txt +```sh +./endoh1 < configuration.txt +``` ### Try: - ./endoh1 < endoh1.c +```sh +./endoh1 < endoh1.c - ./endoh1 < pour-out.txt +./endoh1 < pour-out.txt - ./endoh1 < fountain.txt +./endoh1 < fountain.txt +``` -### Selected Judges Remarks: +### Alternate code: + +An alternate version of this entry, `endoh1.alt.c`, is provided. +This alternate code is a de-obfuscated version of `endoh1.c`. + +To compile this alternate version: + +```sh +make alt +``` + +Use `endoh1.alt` as you would `endoh1` above. + +## Judges' comments: Let's play Jeopardy! @@ -38,18 +55,20 @@ happy to experiment with. One configuration file was inspired by an [XKCD what if? entry](http://whatif.xkcd.com/6/). ## Author's comments: + ### Synopsis **DO NOT FORGET "-DG=1 -DP=4 -DV=8"** and make your terminal window larger than 80 x 25. - gcc endoh1.c -DG=1 -DP=4 -DV=8 -D_BSD_SOURCE -o endoh1 -lm - ./endoh1 < endoh1.c - ./endoh1 < logo.txt - ./endoh1 < column.txt - ./endoh1 < pour-out.txt - ./endoh1 < tanada.txt - +```sh +cc endoh1.c -DG=1 -DP=4 -DV=8 -D_BSD_SOURCE -o endoh1 -lm +./endoh1 < endoh1.c +./endoh1 < logo.txt +./endoh1 < column.txt +./endoh1 < pour-out.txt +./endoh1 < tanada.txt +``` ### What it is @@ -101,7 +120,6 @@ different fluid behavior. - ### Portability The program requires a C99 compiler; it uses `complex` types and one-line @@ -121,7 +139,6 @@ and gcc-4.5.3 and clang-3.1 on Cygwin. On Cygwin, gcc and clang complain about a usage of `I` (complex's imaginary unit), but I bet this is cygwin's issue; it is surely a C99 feature. - ### Obfuscation w/ Spoiler First of all, the source code itself serves as an initial configuration. @@ -144,7 +161,6 @@ Though some assignments may look meaningless, it is actually meaningful; it extracts "integer part of real part" from a complex value by assigning (and casting) it to an integer-type variable. - ### Notes about Additional Files "logo.txt" is a source of the logo in this remark file. @@ -164,7 +180,6 @@ Other \*.txt files are due to the judges. "endoh1\_color.c" is a variant that shows the density by using terminal 256 colors. - ### Acknowledgment I would like to thank my wife @hirekoke for her teaching me the SPH method. @@ -175,11 +190,10 @@ after the judgment. The judges and HAMANO Tsukasa (The silver medalist at this IOCCC) kindly provided many configuration files. --------------------------------------------------------------------------------- - diff --git a/2012/endoh1/endoh1_deobfuscate.c b/2012/endoh1/endoh1.alt.c similarity index 100% rename from 2012/endoh1/endoh1_deobfuscate.c rename to 2012/endoh1/endoh1.alt.c