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MAP_POWER[2] Integer
Maximum exponent of 3 and 5 allowed in automatic guess of MAP_SIZE. MAP_SIZE is decomposed in 2k̂ 3p̂ 5q̂, and p and q must be less or equal to MAP_POWER.
Default is 0: MAP_SIZE is just a power of 2. A value of 1 allows approximation of any map size to 20 %, while a value of 2 allows 10 % approximation. Fast Fourier Transform are slightly slower with powers of 3 and 5, but limiting the map size can gain a lot in the Cleaning process (which can scale as MAP_SIZE4̂).