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@alecjacobson
alecjacobson / gmp-patch
Created June 25, 2023 13:14
# HG changeset patch
# User Torbjorn Granlund <tg@gmplib.org>
# Date 1606685500 -3600
# Node ID 5f32dbc41afc1f8cd77af1614f0caeb24deb7d7b
# Parent 94c84d919f83ba963ed1809f8e80c7bef32db55c
Avoid the x18 register since it is reserved on Darwin.
diff -r 94c84d919f83 -r 5f32dbc41afc mpn/arm64/aors_n.asm
--- a/mpn/arm64/aors_n.asm Sat Nov 28 23:38:32 2020 +0100
@alecjacobson
alecjacobson / say.py
Last active March 5, 2023 23:54
Quick replacement for mac os `say` using Google Text To Speech
# https://stackoverflow.com/a/51164950/148668
#
# python3 -m pip install gtts playsound pyobjc
from gtts import gTTS
import sys
from io import BytesIO
import objc
import playsound
import tempfile
import argparse
@alecjacobson
alecjacobson / nearest_orthogonal_but_not_necessarily_orthonormal.m
Created November 18, 2022 21:19
% Random L matrix
rng(1);
L = randn(3,3);
% Initial guess of S
S = diag(sqrt(diag(L*L')));
for iter = 1:100
[U,Z,V] = svd(S*L);
% UZUᵀ = √ SLLᵀS
@alecjacobson
alecjacobson / cereal_to_dmat.cpp
Last active October 23, 2022 19:29
// via https://stackoverflow.com/a/22885856/148668
#include <cereal/cereal.hpp>
#include <cereal/archives/binary.hpp>
#include <igl/writeDMAT.h>
#include <Eigen/Dense>
#include <fstream>
namespace cereal
{
template <class Archive, class _Scalar, int _Rows, int _Cols, int _Options, int _MaxRows, int _MaxCols> inline
@alecjacobson
alecjacobson / papers_most_often_cited_in_specific_author_papers.py
Last active December 11, 2025 02:51
Frequency Count of Papers Most Cited in a Specific Authors Publications
from semanticscholar import SemanticScholar
from collections import defaultdict
from tqdm import tqdm
import os
# Read key from env instead of hard-coding
#s2_api_key = os.environ.get("SEMANTIC_SCHOLAR_API_KEY")
sch = SemanticScholar(timeout=10)
# alec
author_ids = [2242015445,145151177,2251097727,2241538537,2244829783,2199254215,2309006642,2275054179,2312381751,2242589355]
@alecjacobson
alecjacobson / main.cpp
Created April 30, 2022 16:13
glfw mini-app to demonstrate how fps counter is lying
// On mac, first install eigen and glfw
//
// brew install glfw eigen
//
// Compile with something like:
//
// clang++ -O3 -DNDEBUG -o mini-glfw main.cpp -std=c++11 \
// -I /opt/homebrew/include/eigen3 \
// -I /opt/homebrew/include/ -L/opt/homebrew/lib -lglfw -framework OpenGL
//
@alecjacobson
alecjacobson / tgc.json
Created April 11, 2022 17:14
{
"TGCs attended or watched": 0
}
@alecjacobson
alecjacobson / build-x86_64-gmp-mpfr-libigl.sh
Created February 18, 2022 06:57
bash script proof of concept showing how to build libigl using rosetta on m1 mac
#!/bin/bash
# arch -x86_64 ./build-x86_64-gmp-mpfr-libigl.sh
if [[ $(arch) == *arm64* ]]; then
#echo "int main(){}" | clang++ -x c++ - -o test.o
echo "Re-issue as `arch -x86_64 ./build-x86_64-gmp-mpfr-libigl.sh`"
exit 1
fi
@alecjacobson
alecjacobson / mine.sh
Created June 25, 2021 20:57
#!/bin/bash
if [ "$#" -lt 2 ] ; then
echo "mine [username] [file/folder]"
echo "or"
echo "mine [username] [file/folder] [action]"
exit 1
fi
if [ "$#" -ne 3 ] ; then
action="list,add_file,search,delete,add_subdirectory,delete_child,file_inherit,directory_inherit,read,write,delete,append,execute"
else
@alecjacobson
alecjacobson / ascii2fixedwith.rd
Created April 12, 2021 17:24
Convert ascii text from standard input into fixed-width unicode characters.
#!/usr/bin/env ruby
#
# Convert ascii text from standard input into fixed-width unicode characters.
#
# http://xahlee.info/comp/unicode_full-width_chars.html
fixedWidth = '０１２３４５６７８９ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ，．：；！？＂＇｀＾～￣＿＆＠＃％＋－＊＝＜＞（）［］｛｝｟｠｜￤／＼￢＄￡￠￦￥　'
ascii = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz,.:;!?"\'`^~‾_&@#%+-*=<>()[]{}«»|¦/\\¬$£¢₩¥ '
input = STDIN.read
output = input.split('').map do |c|
i = ascii.index(c)