demotomohiro

# https://nim-lang.org/docs/inotify.html

import std/[macros, os]
import posix, posix/inotify

macro testMasks(v: uint32; m: untyped; mstr: untyped; masks: varargs[untyped]): untyped =
  masks.expectMinLen 2
  result = newStmtList()
  let userCode = masks[^1]
  for i in 0 ..< (masks.len - 1):

demotomohiro

demotomohiro

import std/[math, options]
import bigints

func sqrt(a: BigInt): Option[BigInt] =
  if a < 0'bi:
    none(BigInt)
  else:
    # Approximate BigInt as z = x * 2^(2y)
    # (0 ≦ x < 2^62, y ∈ N)
    # Then sqrt(z) = sqrt(x) * 2^y.

demotomohiro

# This program calculate an automorphic number.
# 何乗しても下N桁が同じになる数(自己同形数 Automorphic number)を計算して出力します。
#
# How to compile and run
# 1. Install Nim (https://nim-lang.org/install.html)
# 2. $ nimble refresh
# 3. $ nimble install cligen
# 4. $ nimble install https://github.com/demotomohiro/bigints@#add-per-bit-op
# 5. $ nim c -d:danger --passC:-flto --passL:"-flto -s" amn.nim
# 6. $ ./amn run --numDigits=10000 > result.txt

demotomohiro

import std/[strformat, strutils, bitops]
import pixie, chroma

# define `nort` when opengl or windows system is not available.
when not defined(nort):
  import nimgl/[glfw, opengl]

proc `{}`(image: var Image, x, y: int): var ColorRGBX =
  ## Accessing any pixels outside the bounds of the image is error
  when not defined(danger):

demotomohiro

## Visualize how Pseudo-random number generators created
## with jump function and with random seed use PRNG state space.
## Install pixie with `nimble install pixie`

import std/[strformat, random]
import pixie

const
  numRows = 32
  numColumns = 64

demotomohiro

import os

proc execQuote(args: varargs[string]) =
 args.quoteShellCommand.exec

proc download(url, dist: string) =
  mkDir dist.parentDir
  execQuote "wget", url, "-O", dist

proc untar(src, dist: string) =

demotomohiro

# Nim version of example code of libnice:
# https://libnice.freedesktop.org
#
# Refer libnice/examples/simple-example.c
# Push enter key at same time as possible when you enter remote data.
#
# Public STUN server list:
# https://gist.github.com/mondain/b0ec1cf5f60ae726202e

import gintro/[nice, gio, glib, gobject]

demotomohiro

demotomohiro

#include <stdio.h>
#include <stddef.h>

#define PRINTOFFSET(typ, field) printf("%s(%ld): %ld\n", #field, sizeof(((typ*)0)->field), offsetof(typ, field))

typedef struct {
  char a;
  int b;
  short c;
  double d;