mauldin.c
---------
Author: Trevor Lovett ([email protected])

Optimized multithreaded renderer of the Mauldin Gasket (http://paulbourke.net/fractals/mauldin/).  Written in C, with reliance on pthreads.

Compiling
---------
gcc -lm -pthread -O3 mauldin.c -o mauldin

Parameters
----------
NUM_THREADS should be adjusted to the # of cores on your system (default = 2)
larger values of N will produce more detailed image
NX is image width
NY is image height

Output
------
Produces a 16-bit PPM grayscale image file, output.ppm