add small script to test fftma

fftma_module/gen/test.py

@@ -0,0 +1,31 @@
+from FFTMA import gen
+import numpy as np
+
+N=128
+
+nx, ny, nz = N,N,N
+dx, dy, dz = 1.0, 1.0, 1.0
+seed= 1548762 #rdi(10000,99999)
+var=1
+vario=2
+alpha=1
+lcx=2
+lcy=4
+lcz=16
+ap1x=1
+ap1y=0
+ap1z=0
+ap2x=0
+ap2y=1
+ap2z=0
+
+v1 = (var, vario, alpha, lcx, lcy, lcz, ap1x, ap1y, ap1z, ap2x, ap2y, ap2z)
+variograms = [v1]
+
+mean=15.3245987
+variance=3.5682389
+typ=1
+
+k=gen(nx, ny, nz, dx, dy, dz, seed, variograms, mean, variance, typ)
+
+np.save("out.npy",k)