| * This file is part of FFmpeg. |

| * FFmpeg is free software; you can redistribute it and/or |

| * modify it under the terms of the GNU Lesser General Public |

| * License as published by the Free Software Foundation; either |

| * version 2.1 of the License, or (at your option) any later version. |

| * FFmpeg is distributed in the hope that it will be useful, |

| * but WITHOUT ANY WARRANTY; without even the implied warranty of |

| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |

| * Lesser General Public License for more details. |

| * You should have received a copy of the GNU Lesser General Public |

| * License along with FFmpeg; if not, write to the Free Software |

| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |

| #include "libavcodec/mathops.h" |

| unsigned root = ff_sqrt(s); |

| unsigned root_m1 = ff_sqrt(s-1); |

| fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root); |

| if (u && root_m1 != u - 1) { |

| fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root); |