.gitignore

@@ -1,4 +0,0 @@
-.cache
-compile_commands.json
-outputs
-xorshift

aliases.h

@@ -1,30 +0,0 @@
-#ifndef ALIASES_H
-#define ALIASES_H
-
-#include <stdint.h>
-
-#define u8 uint8_t
-#define u16 uint16_t
-#define u32 uint32_t
-#define u64 uint64_t
-
-#define i8 int8_t
-#define i16 int16_t
-#define i32 int32_t
-#define i64 int64_t
-
-#define f32 float
-#define f64 double
-#define f128 long double
-
-#define uptr uintptr_t
-#define iptr intptr_t
-
-#define internal static
-#define persistent static
-
-#ifdef __cplusplus
-#define class_mem static
-#endif // __cplusplus
-
-#endif // !ALIASES_H

build

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-bear -- ./compile

compile

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-CC=clang
-CFLAGS="-g -Wall -Werror "
-
-XORSHIFT_SRC="xorshift.c ppm.c"
-XORSHIFT_OUT=xorshift
-
-(set -x ; $CC $CFLAGS $XORSHIFT_SRC -o $XORSHIFT_OUT)

ppm.c

@@ -1,22 +0,0 @@
-#include "ppm.h"
-#include "aliases.h"
-#include <stdio.h>
-#include <string.h>
-
-void write_p6_ppm(const char *filepath, u64 width, u64 height, Pixel *data) {
-  FILE *fp = fopen(filepath, "wb");
-  if (!fp) {
-    return;
-  }
-
-  char header[1024] = {0};
-  sprintf(header, "P6\n%lu %lu\n255\n", width, height);
-
-  u64 length = strlen(header);
-  fwrite(&header, length, 1, fp);
-
-  u64 pixel_count = width * height;
-  fwrite(data, sizeof(Pixel), pixel_count, fp);
-
-  fclose(fp);
-}

ppm.h

@@ -1,9 +0,0 @@
-#include "aliases.h"
-
-typedef struct {
-  u8 r;
-  u8 g;
-  u8 b;
-} Pixel;
-
-void write_p6_ppm(const char *filepath, u64 width, u64 height, Pixel *data);

xorshift.c

@@ -1,63 +0,0 @@
-#include "aliases.h"
-#include "ppm.h"
-#include <bits/time.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-
-typedef struct {
-  u64 x;
-  u64 y;
-  u64 z;
-  u64 w;
-} XORShiftBasic;
-
-u64 xor_shift_basic_generate(XORShiftBasic *state);
-
-int main(int argc, char *argv[]) {
-  struct timespec ts = {0};
-  clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
-
-  srand48(ts.tv_nsec);
-
-  XORShiftBasic state = {
-      .x = lrand48(),
-      .y = lrand48(),
-      .z = lrand48(),
-      .w = lrand48(),
-  };
-
-  u64 w = 1024;
-  u64 h = 1024;
-  u64 length = w * h;
-
-  Pixel data[length];
-  for (u64 y = 0; y < h; ++y) {
-    for (u64 x = 0; x < w; ++x) {
-      u64 i = y * w + x;
-
-      u8 pixel = xor_shift_basic_generate(&state) % UINT8_MAX;
-      data[i] = (Pixel){
-          .r = pixel,
-          .g = pixel,
-          .b = pixel,
-      };
-    }
-  }
-
-  write_p6_ppm("./outputs/xorshift.ppm", w, h, data);
-
-  return EXIT_SUCCESS;
-}
-
-u64 xor_shift_basic_generate(XORShiftBasic *state) {
-  u64 t = state->x ^ (state->x << 11);
-
-  state->x = state->y;
-  state->y = state->z;
-  state->z = state->w;
-  state->w = (state->w ^ (state->w >> 19)) ^ (t ^ (t >> 8));
-
-  return state->w;
-}