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git.proxmox.com Git - grub2.git/blob - grub-core/gentrigtables.c
1 /* Generate trigonometric function tables. */
3 * GRUB -- GRand Unified Bootloader
4 * Copyright (C) 2008, 2009 Free Software Foundation, Inc.
6 * GRUB is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * GRUB is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
22 #include <grub/trig.h>
27 main (int argc
__attribute__ ((unused
)),
28 char **argv
__attribute__ ((unused
)))
32 printf ("#include <grub/types.h>\n");
35 printf ("grub_int16_t grub_trig_" #op "tab[] =\n{"); \
36 for (i = 0; i < GRUB_TRIG_ANGLE_MAX; i++) \
38 double x = i * 2 * M_PI / GRUB_TRIG_ANGLE_MAX; \
41 printf ("%d,", (int) (round (op (x) * GRUB_TRIG_FRACTION_SCALE))); \