in safe_rl/sac/sac.py [0:0]
def __init__(self, obs_dim, act_dim, size):
self.obs1_buf = np.zeros([size, obs_dim], dtype=np.float32)
self.obs2_buf = np.zeros([size, obs_dim], dtype=np.float32)
self.acts_buf = np.zeros([size, act_dim], dtype=np.float32)
self.rews_buf = np.zeros(size, dtype=np.float32)
self.costs_buf = np.zeros(size, dtype=np.float32)
self.done_buf = np.zeros(size, dtype=np.float32)
self.ptr, self.size, self.max_size = 0, 0, size