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@damienzhang
damienzhang / numberplay.hs
Created Mar 14, 2018
Code for damienzhang.com/numberplay
View numberplay.hs
import Data.List
import Text.Printf
choose :: Int -> [a] -> [[a]]
choose 0 _ = [[]]
choose _ [] = []
choose n (x:xs) = map (x :) (choose (n - 1) xs) ++ choose n xs
perm :: Int -> [a] -> [[a]]
perm n = concatMap permutations . choose n
View twentyeighteen.hs
module Main where
import Control.Monad
import Data.List (foldl')
data Operator
= Add
| Sub
| Mult
| Div
@damienzhang
damienzhang / hdf5build.sh
Last active Dec 25, 2015
Build the HDF5 library using local install of GCC and G++ with C++ library enabled.
View hdf5build.sh
CC='/sim/dev/sdz/tools/bin/gcc' \
CXX='/sim/dev/sdz/tools/bin/g++' \
./configure --prefix=/sim/dev/sdz/tools --enable-cxx
@damienzhang
damienzhang / gccbuild.sh
Last active Dec 22, 2015
How to build a local copy of GCC 4.7.3 (just C and C++) This is built without support for graphite loop optimizations.
View gccbuild.sh
wget ftp://gcc.gnu.org/pub/gcc/releases/gcc-4.7.3/gcc-4.7.3.tar.bz2
tar xjf gcc-4.7.3.tar.bz2
cd gcc-4.7.3
./contrib/download_prerequisites
cd ..
mkdir build
cd build
export PREFIX=/sim/dev/sdz/tools
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