{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from lasp import SeriesBiquad\n",
    "import numpy as np"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2022-08-16 15:02:57+0200 \n",
      "2022-08-16 15:02:57+0200 Enter SeriesBiquad (lasp_biquadbank.cpp: 12)\n",
      "2022-08-16 15:02:57+0200 Leave SeriesBiquad (lasp_biquadbank.cpp)\n"
     ]
    }
   ],
   "source": [
    "coefs = np.array([1.,0,0,1.,-.9,0])\n",
    "bq = SeriesBiquad(coefs)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2022-08-16 15:02:57+0200 \n",
      "2022-08-16 15:02:57+0200 Enter filter (lasp_biquadbank.cpp: 41)\n",
      "2022-08-16 15:02:57+0200 Leave filter (lasp_biquadbank.cpp)\n"
     ]
    }
   ],
   "source": [
    "x = np.zeros(10, dtype=float)\n",
    "x[0] = 1\n",
    "\n",
    "x2 = bq.filter(x)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1.        ],\n",
       "       [0.9       ],\n",
       "       [0.81      ],\n",
       "       [0.729     ],\n",
       "       [0.6561    ],\n",
       "       [0.59049   ],\n",
       "       [0.531441  ],\n",
       "       [0.4782969 ],\n",
       "       [0.43046721],\n",
       "       [0.38742049]])"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.8.10"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}