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)