first commit

plot.py

@@ -0,0 +1,24 @@
+import numpy as np
+import ctypes, subprocess
+
+recompile   = True
+
+if recompile:
+    p = subprocess.Popen('g++ -shared -o libmain.so -fPIC main.cpp -lgsl'.split())
+    p.wait()
+    if p.returncode != 0: raise RuntimeError(p.returncode)
+
+libmain = ctypes.CDLL('./libmain.so')
+def integrate(y0, t_max):
+    y0 = (ctypes.c_double*6)(*y0) 
+    y  = (ctypes.c_double*6)()
+    status = libmain.integrate(y0, ctypes.c_double(t_max), y)
+    return np.array(y), status
+
+gsl_success = libmain.gsl_success()
+
+#t_array = linspace(plot_tmin, plot_tmax, plot_points)
+#r_array = empty_like(t_array)
+
+res = integrate([10,0,0,0,200,0], 0.1)
+print(res, gsl_success)