git clone --recursive https://github.com/thi-ng/c-thing

premake5 gmake
make config=release_sse

# build library & example app
make config=release_sse ex-ca1d

# 1D sample invocation w/ Wolfram Rule 105
# Result will be written to /assets/ca-105.svg
# args: rule states kernelwidth res
bin/release/ex-ca1d 105 2 1

# Output all 255 wolfram rules
for i in {1..255}; do bin/release/ex-ca1d $i 2 1 128; done

# Another example w/ bigger kernel size
bin/release/ex-ca1d 522530942 32 3 128

# build 2D example app
make config=release_sse ex-ca2d

# frames will be written to /assets
bin/release/ex-ca2d

# build library & example app
make config=release_sse ex-chull && bin/release/ex-chull > assets/chull.svg

# build library & example app
make config=release_sse ex-dla && bin/release/ex-dla > assets/dla.svg

# build library & example app
make config=release_sse ex-glfw01 && bin/release/ex-glfw01

# build LLVM bitcode of library (./obj/libcthing.bc)
./compile-bc

# compile example for browser & link with lib
emcc -O2 -DCT_FEATURE_LOG -DCT_NO_EXPORT -DNDEBUG \
     -s 'USE_GLFW=3' \
     -s 'ELIMINATE_DUPLICATE_FUNCTIONS=1' \
     -s 'NO_EXIT_RUNTIME=1' \
     --llvm-lto 1 \
     --closure 1 \
     --preload-file assets/suzanne.stl \
     -Isrc -Iext \
     -o glfw.html \
     examples/glfw/*.c obj/libcthing.bc

# launch server
python -m SimpleHTTPServer

# build library & example app
make config=release_sse ex-poisson

# show usage
bin/release/ex-poisson
# Missing input file
# Usage:  ex-poisson [options] image [ > out.svg ]
#   -b HEX    bg color (default: ffffff)
#   -f HEX    fg color (default: 0000ff)
#   -g FLOAT  gamma (default: 3.00)
#   -i        invert (also swaps fg/bg) (default: no)
#   -m FLOAT  min distance (default: 2.00)
#   -x FLOAT  max distance (default: 10.00)
#   -r FLOAT  dot radius (default: 1.00)
#   -q INT    quality (default: 100)
#   -t        output points as text only (default: no)

# concrete example (for image size roughly 700x1000px)
bin/release/ex-poisson -g 1.25 -q 500 -m 1.5 -x 16 assets/iris.jpg > assets/iris.svg

# build library & example app
make config=release_sse ex-polyclip && bin/release/ex-polyclip > polyclip.svg

# build library & example app
make config=release_sse ex-polyclip && bin/release/ex-polyoffset > polyoffset.svg

# build library & example app
make config=release_sse ex-verlet && bin/release/ex-verlet

# ouputs are stored as SVG sequence in /assets
# use script below to convert to mp4 (requires rsvg & ffmpeg) -> out.mp4
./makevideo verlet

# build library & example app
make config=release_sse ex-voronoi && bin/release/ex-voronoi

bin/release/ex-poisson -b 00ffff -f 0000ff -q 500 -m 2 -x 16 -t assets/iris.jpg | \
bin/release/ex-voronoi -p -w 757 -h 450 > iris-voronoi.svg

# checkout with submodules
git clone --recursive https://github.com/thi-ng/c-thing

# generate Makefiles
premake5 gmake

make help
# Usage: make [config=name] [target]
# CONFIGURATIONS:
#   debug_sse
#   debug_no_sse
#   release_sse
#   release_no_sse
# 
# TARGETS:
#    all (default)
#    clean
#    test
#    test_asan
#    lib
#    ex-ca1d
#    ex-ca2d
#    ex-chull
#    ex-dla
#    ex-poisson
#    ex-verlet
#    ex-verlet-pack
#    ex-polyclip
#    ex-polyoffset
#    ex-voronoi
#    ex-glfw01

# build & run tests manually
make config=debug_sse test && bin/debug/test
# or
make config=release_sse test && bin/release/test

# ...or use auto test w/ file watcher
# tests re-run automatically if files in /src or /test are changed
# if no args given, compiles w/ address sanitizer enabled
./autotest
# ...or provide build config (target config profile)
# (only test_msan requires linux & clang, other profiles also build w/ gcc etc.)
./autotest test_msan
./autotest test_asan debug
./autotest test release no_sse

make config=debug_sse lib
# or
make config=release_sse lib

brew install cscope

./browse

# display disassembly (OSX)
otool -jtV bin/release/libcthing.a | less

# display global symbols defined in lib
nm -g -j bin/release/libcthing.a | grep --color=never _ct_

# build LLVM bitcode version for future linking with other sources
./compile-bc

# help / usage
./compile -h
# Usage:
#   -a     : separate asm.js output
#   -c     : enable Closure compiler step
#   -d     : remove duplicate functions
#   -D SYM : add define
#   -h     : show this help
#   -k     : enable runtime checks
#   -m     : enable memory checks
#   -s     : enable SSE (SIMD.js)
#   -t     : include tests

# compile with tests, closure pass & remove duplicate fns
./compile -tdc

python3 -m http.server

# in browser dev console - http://localhost:8000/
cthing(); cthing._main()