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/*
Copyright (C) 2021 Daniel Schultz
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "test_helpers.h"
#include "ulong_extras.h"
TEST_FUNCTION_START(n_clog_2exp, state)
{
slong i;
ulong t[][3] = {{1, 2, 1},
{2, 2, 2},
{698, 127, 100},
{699, 127, 101},
{700, 127, 101},
{701, 127, 101},
{699, 128, 100},
{700, 128, 100},
{701, 128, 101},
{694, 129, 99},
{695, 129, 100},
{696, 129, 100},
{697, 129, 100},
{698, 129, 100},
{699, 129, 100},
{700, 129, 100},
{701, 129, 100},
{702, 129, 101},
{0, UWORD_MAX, 0},
{1, UWORD_MAX, 1},
{2, UWORD_MAX, 1},
{FLINT_BITS - 1, UWORD_MAX, 1},
{FLINT_BITS, UWORD_MAX, 2}};
for (i = 0; i < sizeof(t)/sizeof(t[0]); i++)
{
ulong r = n_clog_2exp(t[i][0], t[i][1]);
if (r != t[i][2])
TEST_FUNCTION_FAIL(
"clog_2exp(%wu, %wu) = %wu\n"
"but computed %wu\n",
t[i][0], t[i][1], t[i][2], r);
}
TEST_FUNCTION_END(state);
}