Hermann Stamm-Wilbrandt Hermann-SW

## foursquare.cc
// p,q -> a,b,c,d with a^2+b^2+c^2+d^2==p*q
//
// f=foursquare
//
// g++ $f.cc -lgmp -lgmpxx -O3 -o $f -lpari -DPARI -Wall -Wextra -pedantic
//
// $ ./$f 999999999999999999999999999989 999999999999999999999999999983
// R = qfsolve(M)
// 2.85703s
// 223605138439657340220247124809 147944036070869714718268156597 314020169936458430849348767399 910771451642793118995923538064

## nsum.py
# pylint: disable=C0103, R1728
#                 invalid-name, consider-using-generator
""" blacked and pylinted; https://mersenneforum.org/showthread.php?t=22915 """
import sys
from sys import argv, stderr
from math import isqrt

N = 15 if len(argv) < 2 else int(argv[1])
a = [[] for i in range(N + 1)]
stop = len(argv) >= 3

## rsa_test.gp
\r RSA_numbers_factored.gp

test(v)=
{
  if(#v<4,
    break());
  my([l,n,p,q]=v,pnr,qnr,sqrtm1);
  if ((p%4!=1)||(q%4!=1),
    break());
  forprime(t=2,oo,

## range_client
#!/bin/bash
if [[ "$3" != '' ]]
then
  for((i=1; i<=$3; ++i))
  do
    $0 "$1" "$2" &
  done
  exit
fi

## range_server.py
# pylint: disable=C0103 (invalid-name)
"""
python range_server.py port start stop
"""
from socketserver import TCPServer
from http.server import SimpleHTTPRequestHandler
from threading import Thread
from timeit import default_timer
from time import strftime, gmtime
from sys import argv, stdout

## cado-nfs.loop
#!/bin/bash
p=""
date
echo "======================="
./cado-nfs.py $1
while [ $? -ne 0 ]
do
  date
  echo "======================="

## wol.js
// eslinted; send wakeonlan magic packet for mac address defined in m
//
const m = Buffer.from([0x9c, 0x6b, 0x00, 0x15, 0xbd, 0xc2]);
const p = Buffer.concat([Buffer.alloc(6,0xff),m,m,m,m,m,m,m,m,m,m,m,m,m,m,m,m]);

const sock = require('dgram').createSocket('udp4').on('listening', function() {
  sock.setBroadcast(true);
  sock.send(p, 0, p.length, 9, '255.255.255.255', function() {
    sock.close();
  });

## latest_new_primes
#!/bin/bash
wget -O /tmp/all.txt https://t5k.org/primes/lists/all.txt 2> /dev/null

if [ ! -f t5k.org_primes_lists_all.txt ]
then
  echo "initial download of largest primes list"
  cp /tmp/all.txt t5k.org_primes_lists_all.txt
fi

if [ ! -f t5k.org_primes_lists_all.txt.old ]

## sqrtm1.smallest_known_1million_digit_prime.cc
// x,y -> sqrtm1 [-> x,y]
//
// https://t5k.org/primes/lists/all.txt
// 2147  10^999999+308267*10^292000+1     1000000 CH10  2021
//
// f=sqrtm1.smallest_known_1million_digit_prime
//
// either
//   g++ $f.cc -lgmp -lgmpxx -O3 -o $f
// or

## cypari2_.py
from sympy import gcd, I

try:
    import cypari2

    pari = cypari2.Pari()
    gen_to_python = cypari2.convert.gen_to_python
except ImportError:
    cypari2 = None
	// p,q -> a,b,c,d with a^2+b^2+c^2+d^2==p*q
	//
	// f=foursquare
	//
	// g++ $f.cc -lgmp -lgmpxx -O3 -o $f -lpari -DPARI -Wall -Wextra -pedantic
	//
	// $ ./$f 999999999999999999999999999989 999999999999999999999999999983
	// R = qfsolve(M)
	// 2.85703s
	// 223605138439657340220247124809 147944036070869714718268156597 314020169936458430849348767399 910771451642793118995923538064
	# pylint: disable=C0103, R1728
	# invalid-name, consider-using-generator
	""" blacked and pylinted; https://mersenneforum.org/showthread.php?t=22915 """
	import sys
	from sys import argv, stderr
	from math import isqrt

	N = 15 if len(argv) < 2 else int(argv[1])
	a = [[] for i in range(N + 1)]
	stop = len(argv) >= 3
	\r RSA_numbers_factored.gp

	test(v)=
	{
	if(#v<4,
	break());
	my([l,n,p,q]=v,pnr,qnr,sqrtm1);
	if ((p%4!=1)\|\|(q%4!=1),
	break());
	forprime(t=2,oo,
	#!/bin/bash
	if [[ "$3" != '' ]]
	then
	for((i=1; i<=$3; ++i))
	do
	$0 "$1" "$2" &
	done
	exit
	fi
	# pylint: disable=C0103 (invalid-name)
	"""
	python range_server.py port start stop
	"""
	from socketserver import TCPServer
	from http.server import SimpleHTTPRequestHandler
	from threading import Thread
	from timeit import default_timer
	from time import strftime, gmtime
	from sys import argv, stdout
	#!/bin/bash
	p=""
	date
	echo "======================="
	./cado-nfs.py $1
	while [ $? -ne 0 ]
	do
	date
	echo "======================="
	// eslinted; send wakeonlan magic packet for mac address defined in m
	//
	const m = Buffer.from([0x9c, 0x6b, 0x00, 0x15, 0xbd, 0xc2]);
	const p = Buffer.concat([Buffer.alloc(6,0xff),m,m,m,m,m,m,m,m,m,m,m,m,m,m,m,m]);

	const sock = require('dgram').createSocket('udp4').on('listening', function() {
	sock.setBroadcast(true);
	sock.send(p, 0, p.length, 9, '255.255.255.255', function() {
	sock.close();
	});
	#!/bin/bash
	wget -O /tmp/all.txt https://t5k.org/primes/lists/all.txt 2> /dev/null

	if [ ! -f t5k.org_primes_lists_all.txt ]
	then
	echo "initial download of largest primes list"
	cp /tmp/all.txt t5k.org_primes_lists_all.txt
	fi

	if [ ! -f t5k.org_primes_lists_all.txt.old ]
	// x,y -> sqrtm1 [-> x,y]
	//
	// https://t5k.org/primes/lists/all.txt
	// 2147 10^999999+308267*10^292000+1 1000000 CH10 2021
	//
	// f=sqrtm1.smallest_known_1million_digit_prime
	//
	// either
	// g++ $f.cc -lgmp -lgmpxx -O3 -o $f
	// or
	from sympy import gcd, I

	try:
	import cypari2

	pari = cypari2.Pari()
	gen_to_python = cypari2.convert.gen_to_python
	except ImportError:
	cypari2 = None