Hello, World!

Yeah this is quite a thicc first commit but there's no way I'm
untangling this mess just for a nice set of starting commits :^)

misc/generate_ziggurat_tables.py

@@ -0,0 +1,47 @@
+from math import *
+
+C = 128
+R = 3.442619855899
+V = 9.91256303526217e-3
+
+zig_x = [0 for i in range(C+1)]
+zig_r = [0 for i in range(C)]
+
+#C code:
+#static void zigNorInit(int iC, double dR, double dV)
+#{
+#   int i; double f;
+#   f = exp(-0.5 * R * R);
+#   zig_x[0] = V / f;
+#   zig_x[1] = R;
+#   zig_x[iC] = 0;
+#   for (i = 2; i < C; ++i)
+#   {
+#       zig_x[i] = sqrt(-2 * log(V / zig_x[i - 1] + f));
+#       f = exp(-0.5 * zig_x[i] * zig_x[i]);
+#   }
+#   for (i = 0; i < C; ++i)
+#       zig_r[i] = zig_x[i + 1] / zig_x[i];
+#}
+
+def main():
+    f = exp(-0.5 * R * R)
+    zig_x[0] = V / f
+    zig_x[1] = R
+    zig_x[C] = 0
+    for i in range(2, C):
+        zig_x[i] = sqrt(-2 * log(V / zig_x[i - 1] + f))
+        f = exp(-0.5 * zig_x[i] * zig_x[i])
+    for i in range(C):
+        zig_r[i] = zig_x[i + 1] / zig_x[i]
+
+    print("X:")
+    for x in zig_x:
+        print(f"{x}, ")
+
+    print("R: ")
+    for r in zig_r:
+        print(f"{r}, ")
+
+if __name__ == "__main__":
+    main()