Add some more math functions and two graphical demos
This commit is contained in:
K. Lange
Kevin Lange
parent
6fb392b110
commit
d20a6cc76b
8
Makefile
8
Makefile
@ -1,4 +1,4 @@
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APPS=init hello sh ls terminal uname compositor drawlines background session kdebug cat yutani-test sysinfo hostname yutani-query env mount date echo nyancat kill ps pstree bim terminal-vga cursor-off font-server migrate free uptime http-get
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APPS=init hello sh ls terminal uname compositor drawlines background session kdebug cat yutani-test sysinfo hostname yutani-query env mount date echo nyancat kill ps pstree bim terminal-vga cursor-off font-server migrate free uptime http-get plasma julia
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ifeq ($(TOOLCHAIN),)
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ifeq ($(shell util/check.sh),y)
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@ -188,6 +188,12 @@ base/bin/background: apps/background.c base/lib/libc.so base/lib/libtoaru_graphi
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base/bin/drawlines: apps/drawlines.c base/lib/libc.so base/lib/libtoaru_graphics.so base/lib/libtoaru_yutani.so base/lib/libtoaru_pthread.so
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$(CC) $(CFLAGS) -o $@ $< -ltoaru_yutani -ltoaru_graphics -ltoaru_pex -ltoaru_pthread -ltoaru_hashmap -ltoaru_list $(LIBS)
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base/bin/plasma: apps/plasma.c base/lib/libc.so base/lib/libtoaru_decorations.so base/lib/libtoaru_graphics.so base/lib/libtoaru_yutani.so base/lib/libtoaru_pthread.so
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$(CC) $(CFLAGS) -o $@ $< -ltoaru_decorations -ltoaru_dlfcn -ltoaru_yutani -ltoaru_graphics -ltoaru_pex -ltoaru_pthread -ltoaru_hashmap -ltoaru_list $(LIBS)
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base/bin/julia: apps/julia.c base/lib/libc.so base/lib/libtoaru_decorations.so base/lib/libtoaru_graphics.so base/lib/libtoaru_yutani.so base/lib/libtoaru_pthread.so
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$(CC) $(CFLAGS) -o $@ $< -ltoaru_decorations -ltoaru_dlfcn -ltoaru_yutani -ltoaru_graphics -ltoaru_pex -ltoaru_pthread -ltoaru_hashmap -ltoaru_list $(LIBS)
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base/bin/yutani-query: apps/yutani-query.c base/lib/libc.so base/lib/libtoaru_graphics.so base/lib/libtoaru_yutani.so base/lib/libtoaru_pthread.so
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$(CC) $(CFLAGS) -o $@ $< -ltoaru_yutani -ltoaru_graphics -ltoaru_pex -ltoaru_pthread -ltoaru_hashmap -ltoaru_list $(LIBS)
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314
apps/julia.c
Normal file
314
apps/julia.c
Normal file
@ -0,0 +1,314 @@
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/* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2013-2014 Kevin Lange
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*/
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/*
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* Julia Fractal Generator
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*
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* This is the updated windowed version of the
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* julia fractal generator demo.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <syscall.h>
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#include <string.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <toaru/yutani.h>
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#include <toaru/graphics.h>
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#include <toaru/decorations.h>
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#define DIRECT_OFFSET(x,y) ((x) + (y) * window->width)
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/*
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* Macros make verything easier.
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*/
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#define SPRITE(sprite,x,y) sprite->bitmap[sprite->width * (y) + (x)]
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#define GFX_(xpt, ypt) ((uint32_t *)window->buffer)[DIRECT_OFFSET(xpt+decor_left_width,ypt+decor_top_height)]
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/* Pointer to graphics memory */
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static yutani_t * yctx;
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static yutani_window_t * window = NULL;
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static gfx_context_t * ctx = NULL;
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/* Julia fractals elements */
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float conx = -0.74; /* real part of c */
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float cony = 0.1; /* imag part of c */
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float Maxx = 2; /* X bounds */
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float Minx = -2;
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float Maxy = 1; /* Y bounds */
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float Miny = -1;
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float initer = 1000; /* Iteration levels */
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float pixcorx; /* Internal values */
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float pixcory;
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int newcolor; /* Color we're placing */
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int lastcolor; /* Last color we placed */
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int no_repeat = 0; /* Repeat colors? */
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/*
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* Color table
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* These are orange/red shades from the Ubuntu platte.
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*/
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int colors[] = {
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0xFFeec73e,
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0xFFf0a513,
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0xFFfb8b00,
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0xFFf44800,
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0xFFffff99,
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0xFFffff00,
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0xFFfdca01,
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0xFF986601,
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0xFFf44800,
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0xFFfd3301,
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0xFFd40000,
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0xFF980101,
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};
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int left = 40;
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int top = 40;
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int width = 300;
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int height = 300;
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void julia(int xpt, int ypt) {
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long double x = xpt * pixcorx + Minx;
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long double y = Maxy - ypt * pixcory;
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long double xnew = 0;
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long double ynew = 0;
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int k = 0;
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for (k = 0; k <= initer; k++) {
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xnew = x * x - y * y + conx;
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ynew = 2 * x * y + cony;
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x = xnew;
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y = ynew;
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if ((x * x + y * y) > 4)
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break;
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}
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int color;
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if (no_repeat) {
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color = 12 * k / initer;
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} else {
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color = k;
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if (color > 11) {
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color = color % 12;
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}
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}
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if (k >= initer) {
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GFX_(xpt,ypt) = rgb(0,0,0);
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} else {
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GFX_(xpt,ypt) = colors[color];
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}
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newcolor = color;
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}
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void usage(char * argv[]) {
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printf(
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"Julia fractal generator.\n"
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"\n"
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"usage: %s [-n] [-i \033[3miniter\033[0m] [-x \033[3mminx\033[0m] \n"
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" [-X \033[3mmaxx\033[0m] [-c \033[3mconx\033[0m] [-C \033[3mcony\033[0m]\n"
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" [-W \033[3mwidth\033[0m] [-H \033[3mheight\033[0m] [-h]\n"
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"\n"
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" -n --no-repeat \033[3mDo not repeat colors\033[0m\n"
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" -i --initer \033[3mInitializer value\033[0m\n"
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" -x --minx \033[3mMinimum X value\033[0m\n"
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" -X --maxx \033[3mMaximum X value\033[0m\n"
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" -c --conx \033[3mcon x\033[0m\n"
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" -C --cony \033[3mcon y\033[0m\n"
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" -W --width \033[3mWindow width\033[0m\n"
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" -H --height \033[3mWindow height\033[0m\n"
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" -h --help \033[3mShow this help message.\033[0m\n",
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argv[0]);
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}
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static void decors() {
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render_decorations(window, ctx, "Julia Fractals");
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}
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void redraw() {
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#if 0
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printf("initer: %f\n", initer);
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printf("X: %f %f\n", Minx, Maxx);
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#endif
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float _x = Maxx - Minx;
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float _y = _x / width * height;
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Miny = 0 - _y / 2;
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Maxy = _y / 2;
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#if 0
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printf("Y: %f %f\n", Miny, Maxy);
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printf("conx: %f cony: %f\n", conx, cony);
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#endif
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decors();
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newcolor = 0;
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lastcolor = 0;
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pixcorx = (Maxx - Minx) / width;
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pixcory = (Maxy - Miny) / height;
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int j = 0;
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do {
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int i = 1;
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do {
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julia(i,j);
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if (lastcolor != newcolor) julia(i-1,j);
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else if (i > 0) GFX_(i-1,j) = colors[lastcolor];
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newcolor = lastcolor;
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i+= 2;
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} while ( i < width );
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++j;
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} while ( j < height );
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}
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void resize_finish(int w, int h) {
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yutani_window_resize_accept(yctx, window, w, h);
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reinit_graphics_yutani(ctx, window);
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width = w - decor_left_width - decor_right_width;
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height = h - decor_top_height - decor_bottom_height;
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redraw();
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yutani_window_resize_done(yctx, window);
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yutani_flip(yctx, window);
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}
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int main(int argc, char * argv[]) {
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#if 0
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static struct option long_opts[] = {
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{"no-repeat", no_argument, 0, 'n'},
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{"initer", required_argument, 0, 'i'},
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{"minx", required_argument, 0, 'x'},
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{"maxx", required_argument, 0, 'X'},
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{"conx", required_argument, 0, 'c'},
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{"cony", required_argument, 0, 'C'},
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{"width", required_argument, 0, 'W'},
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{"height", required_argument, 0, 'H'},
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{"help", no_argument, 0, 'h'},
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{0,0,0,0}
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};
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if (argc > 1) {
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/* Read some arguments */
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int index, c;
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while ((c = getopt_long(argc, argv, "ni:x:X:c:C:W:H:h", long_opts, &index)) != -1) {
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if (!c) {
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if (long_opts[index].flag == 0) {
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c = long_opts[index].val;
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}
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}
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switch (c) {
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case 'n':
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no_repeat = 1;
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break;
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case 'i':
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initer = atof(optarg);
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break;
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case 'x':
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Minx = atof(optarg);
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break;
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case 'X':
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Maxx = atof(optarg);
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break;
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case 'c':
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conx = atof(optarg);
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break;
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case 'C':
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cony = atof(optarg);
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break;
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case 'W':
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width = atoi(optarg);
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break;
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case 'H':
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height = atoi(optarg);
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break;
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case 'h':
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usage(argv);
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exit(0);
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break;
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default:
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break;
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}
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}
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}
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#endif
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yctx = yutani_init();
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init_decorations();
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window = yutani_window_create(yctx, width + decor_width(), height + decor_height());
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yutani_window_move(yctx, window, left, top);
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yutani_window_advertise_icon(yctx, window, "Julia Fractals", "julia");
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ctx = init_graphics_yutani(window);
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redraw();
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yutani_flip(yctx, window);
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int playing = 1;
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while (playing) {
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yutani_msg_t * m = yutani_poll(yctx);
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if (m) {
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switch (m->type) {
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case YUTANI_MSG_KEY_EVENT:
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{
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struct yutani_msg_key_event * ke = (void*)m->data;
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if (ke->event.action == KEY_ACTION_DOWN && ke->event.keycode == 'q') {
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playing = 0;
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}
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}
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break;
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case YUTANI_MSG_WINDOW_FOCUS_CHANGE:
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{
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struct yutani_msg_window_focus_change * wf = (void*)m->data;
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yutani_window_t * win = hashmap_get(yctx->windows, (void*)wf->wid);
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if (win) {
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win->focused = wf->focused;
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decors();
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yutani_flip(yctx, window);
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}
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}
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break;
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case YUTANI_MSG_RESIZE_OFFER:
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{
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struct yutani_msg_window_resize * wr = (void*)m->data;
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resize_finish(wr->width, wr->height);
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}
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break;
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case YUTANI_MSG_WINDOW_MOUSE_EVENT:
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{
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int result = decor_handle_event(yctx, m);
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switch (result) {
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case DECOR_CLOSE:
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playing = 0;
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break;
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default:
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/* Other actions */
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break;
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}
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}
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break;
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case YUTANI_MSG_SESSION_END:
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playing = 0;
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break;
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default:
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break;
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}
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}
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free(m);
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}
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yutani_close(yctx, window);
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return 0;
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}
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176
apps/plasma.c
Normal file
176
apps/plasma.c
Normal file
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/* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2013-2014 Kevin Lange
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*/
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/*
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* test-gfx
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*
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* Windowed graphical test application.
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*/
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#include <stdlib.h>
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#include <assert.h>
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#include <math.h>
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#include <syscall.h>
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#include <toaru/yutani.h>
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#include <toaru/graphics.h>
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#include <toaru/decorations.h>
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#include <toaru/pthread.h>
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#include <toaru/spinlock.h>
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#define dist(a,b,c,d) sqrt((double)(((a) - (c)) * ((a) - (c)) + ((b) - (d)) * ((b) - (d))))
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static yutani_t * yctx;
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static yutani_window_t * wina;
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static int should_exit = 0;
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uint16_t win_width;
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uint16_t win_height;
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uint16_t off_x;
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uint16_t off_y;
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static int volatile draw_lock = 0;
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gfx_context_t * ctx;
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void redraw_borders() {
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render_decorations(wina, ctx, "Plasma");
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}
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uint32_t hsv_to_rgb(int h, float s, float v) {
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float c = v * s;
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float hp = (float)h / 42.6666666f;
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float x = c * (1.0 - fabs(fmod(hp, 2) - 1.0));
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float m = v - c;
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float rp, gp, bp;
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if (hp < 1.0) { rp = c; gp = x; bp = 0; }
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else if (hp < 2.0) { rp = x; gp = c; bp = 0; }
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else if (hp < 3.0) { rp = 0; gp = c; bp = x; }
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else if (hp < 4.0) { rp = 0; gp = x; bp = c; }
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else if (hp < 5.0) { rp = x; gp = 0; bp = c; }
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else if (hp < 6.0) { rp = c; gp = 0; bp = x; }
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else { rp = 0; gp = 0; bp = 0; }
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return rgb((rp + m) * 255, (gp + m) * 255, (bp + m) * 255);
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}
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void * draw_thread(void * garbage) {
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(void)garbage;
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double time = 0;
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/* Generate a palette */
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uint32_t palette[256];
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for (int x = 0; x < 256; ++x) {
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palette[x] = hsv_to_rgb(x,1.0,1.0);
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}
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while (!should_exit) {
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time += 1.0;
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int w = win_width;
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int h = win_height;
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spin_lock(&draw_lock);
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for (int x = 0; x < win_width; ++x) {
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for (int y = 0; y < win_height; ++y) {
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double value = sin(dist(x + time, y, 128.0, 128.0) / 8.0)
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+ sin(dist(x, y, 64.0, 64.0) / 8.0)
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+ sin(dist(x, y + time / 7, 192.0, 64) / 7.0)
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+ sin(dist(x, y, 192.0, 100.0) / 8.0);
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GFX(ctx, x + off_x, y + off_y) = palette[(int)((value + 4) * 32)];
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}
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}
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redraw_borders();
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flip(ctx);
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yutani_flip(yctx, wina);
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spin_unlock(&draw_lock);
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syscall_yield();
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}
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}
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void resize_finish(int w, int h) {
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yutani_window_resize_accept(yctx, wina, w, h);
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reinit_graphics_yutani(ctx, wina);
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win_width = w - decor_width();
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win_height = h - decor_height();
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yutani_window_resize_done(yctx, wina);
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}
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int main (int argc, char ** argv) {
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yctx = yutani_init();
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win_width = 100;
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win_height = 100;
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init_decorations();
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off_x = decor_left_width;
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off_y = decor_top_height;
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/* Do something with a window */
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wina = yutani_window_create(yctx, win_width + decor_width(), win_height + decor_height());
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yutani_window_move(yctx, wina, 300, 300);
|
||||
|
||||
ctx = init_graphics_yutani_double_buffer(wina);
|
||||
|
||||
draw_fill(ctx, rgb(0,0,0));
|
||||
redraw_borders();
|
||||
flip(ctx);
|
||||
yutani_flip(yctx, wina);
|
||||
|
||||
yutani_window_advertise_icon(yctx, wina, "Plasma", "plasma");
|
||||
|
||||
pthread_t thread;
|
||||
pthread_create(&thread, NULL, draw_thread, NULL);
|
||||
|
||||
while (!should_exit) {
|
||||
yutani_msg_t * m = yutani_poll(yctx);
|
||||
if (m) {
|
||||
switch (m->type) {
|
||||
case YUTANI_MSG_KEY_EVENT:
|
||||
{
|
||||
struct yutani_msg_key_event * ke = (void*)m->data;
|
||||
if (ke->event.action == KEY_ACTION_DOWN && ke->event.keycode == 'q') {
|
||||
should_exit = 1;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case YUTANI_MSG_WINDOW_FOCUS_CHANGE:
|
||||
{
|
||||
struct yutani_msg_window_focus_change * wf = (void*)m->data;
|
||||
yutani_window_t * win = hashmap_get(yctx->windows, (void*)wf->wid);
|
||||
if (win) {
|
||||
win->focused = wf->focused;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case YUTANI_MSG_SESSION_END:
|
||||
should_exit = 1;
|
||||
break;
|
||||
case YUTANI_MSG_RESIZE_OFFER:
|
||||
{
|
||||
struct yutani_msg_window_resize * wr = (void*)m->data;
|
||||
spin_lock(&draw_lock);
|
||||
resize_finish(wr->width, wr->height);
|
||||
spin_unlock(&draw_lock);
|
||||
}
|
||||
break;
|
||||
case YUTANI_MSG_WINDOW_MOUSE_EVENT:
|
||||
if (decor_handle_event(yctx, m) == DECOR_CLOSE) {
|
||||
should_exit = 1;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
free(m);
|
||||
}
|
||||
}
|
||||
|
||||
yutani_close(yctx, wina);
|
||||
return 0;
|
||||
}
|
||||
@ -3,5 +3,9 @@
|
||||
extern double floor(double x);
|
||||
extern int abs(int j);
|
||||
extern double pow(double x, double y);
|
||||
double exp(double x);
|
||||
|
||||
extern double exp(double x);
|
||||
extern double fmod(double x, double y);
|
||||
extern double sqrt(double x);
|
||||
extern double fabs(double x);
|
||||
extern double sin(double x);
|
||||
extern double cos(double x);
|
||||
|
||||
400
libc/math.c
400
libc/math.c
@ -29,3 +29,403 @@ int abs(int j) {
|
||||
double pow(double x, double y) {
|
||||
return __builtin_pow(x,y);
|
||||
}
|
||||
|
||||
double fabs(double x) {
|
||||
return __builtin_fabs(x);
|
||||
}
|
||||
|
||||
double fmod(double x, double y) {
|
||||
if (x >= 0.0) {
|
||||
while (x > y) {
|
||||
x -= y;
|
||||
}
|
||||
return x;
|
||||
} else {
|
||||
return 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
double sqrt(double x) {
|
||||
return __builtin_sqrt(x);
|
||||
}
|
||||
|
||||
static double bad_sine_table[] = {
|
||||
0,
|
||||
0.01745240644,
|
||||
0.03489949671,
|
||||
0.05233595625,
|
||||
0.06975647375,
|
||||
0.08715574276,
|
||||
0.1045284633,
|
||||
0.1218693434,
|
||||
0.139173101,
|
||||
0.1564344651,
|
||||
0.1736481777,
|
||||
0.1908089954,
|
||||
0.2079116908,
|
||||
0.2249510544,
|
||||
0.2419218956,
|
||||
0.2588190451,
|
||||
0.2756373559,
|
||||
0.2923717048,
|
||||
0.3090169944,
|
||||
0.3255681545,
|
||||
0.3420201434,
|
||||
0.3583679496,
|
||||
0.3746065935,
|
||||
0.3907311285,
|
||||
0.4067366431,
|
||||
0.4226182618,
|
||||
0.4383711468,
|
||||
0.4539904998,
|
||||
0.4694715628,
|
||||
0.4848096203,
|
||||
0.5000000001,
|
||||
0.515038075,
|
||||
0.5299192643,
|
||||
0.5446390351,
|
||||
0.5591929035,
|
||||
0.5735764364,
|
||||
0.5877852524,
|
||||
0.6018150232,
|
||||
0.6156614754,
|
||||
0.6293203911,
|
||||
0.6427876098,
|
||||
0.6560590291,
|
||||
0.6691306064,
|
||||
0.6819983601,
|
||||
0.6946583705,
|
||||
0.7071067813,
|
||||
0.7193398004,
|
||||
0.7313537017,
|
||||
0.7431448256,
|
||||
0.7547095803,
|
||||
0.7660444432,
|
||||
0.7771459615,
|
||||
0.7880107537,
|
||||
0.7986355101,
|
||||
0.8090169944,
|
||||
0.8191520444,
|
||||
0.8290375726,
|
||||
0.838670568,
|
||||
0.8480480962,
|
||||
0.8571673008,
|
||||
0.8660254039,
|
||||
0.8746197072,
|
||||
0.8829475929,
|
||||
0.8910065243,
|
||||
0.8987940464,
|
||||
0.9063077871,
|
||||
0.9135454577,
|
||||
0.9205048535,
|
||||
0.9271838546,
|
||||
0.9335804266,
|
||||
0.9396926208,
|
||||
0.9455185757,
|
||||
0.9510565163,
|
||||
0.956304756,
|
||||
0.961261696,
|
||||
0.9659258263,
|
||||
0.9702957263,
|
||||
0.9743700648,
|
||||
0.9781476008,
|
||||
0.9816271835,
|
||||
0.984807753,
|
||||
0.9876883406,
|
||||
0.9902680688,
|
||||
0.9925461517,
|
||||
0.9945218954,
|
||||
0.9961946981,
|
||||
0.9975640503,
|
||||
0.9986295348,
|
||||
0.999390827,
|
||||
0.9998476952,
|
||||
1,
|
||||
0.9998476952,
|
||||
0.999390827,
|
||||
0.9986295347,
|
||||
0.9975640502,
|
||||
0.9961946981,
|
||||
0.9945218953,
|
||||
0.9925461516,
|
||||
0.9902680687,
|
||||
0.9876883406,
|
||||
0.984807753,
|
||||
0.9816271834,
|
||||
0.9781476007,
|
||||
0.9743700647,
|
||||
0.9702957262,
|
||||
0.9659258262,
|
||||
0.9612616959,
|
||||
0.9563047559,
|
||||
0.9510565162,
|
||||
0.9455185755,
|
||||
0.9396926207,
|
||||
0.9335804264,
|
||||
0.9271838545,
|
||||
0.9205048534,
|
||||
0.9135454575,
|
||||
0.9063077869,
|
||||
0.8987940462,
|
||||
0.8910065241,
|
||||
0.8829475927,
|
||||
0.874619707,
|
||||
0.8660254036,
|
||||
0.8571673006,
|
||||
0.848048096,
|
||||
0.8386705678,
|
||||
0.8290375724,
|
||||
0.8191520441,
|
||||
0.8090169942,
|
||||
0.7986355099,
|
||||
0.7880107534,
|
||||
0.7771459613,
|
||||
0.7660444429,
|
||||
0.75470958,
|
||||
0.7431448253,
|
||||
0.7313537014,
|
||||
0.7193398001,
|
||||
0.707106781,
|
||||
0.6946583702,
|
||||
0.6819983598,
|
||||
0.6691306061,
|
||||
0.6560590288,
|
||||
0.6427876094,
|
||||
0.6293203908,
|
||||
0.6156614751,
|
||||
0.6018150229,
|
||||
0.587785252,
|
||||
0.5735764361,
|
||||
0.5591929032,
|
||||
0.5446390347,
|
||||
0.5299192639,
|
||||
0.5150380746,
|
||||
0.4999999997,
|
||||
0.4848096199,
|
||||
0.4694715625,
|
||||
0.4539904994,
|
||||
0.4383711465,
|
||||
0.4226182614,
|
||||
0.4067366428,
|
||||
0.3907311282,
|
||||
0.3746065931,
|
||||
0.3583679492,
|
||||
0.342020143,
|
||||
0.3255681541,
|
||||
0.309016994,
|
||||
0.2923717044,
|
||||
0.2756373555,
|
||||
0.2588190447,
|
||||
0.2419218952,
|
||||
0.224951054,
|
||||
0.2079116904,
|
||||
0.190808995,
|
||||
0.1736481773,
|
||||
0.1564344647,
|
||||
0.1391731006,
|
||||
0.121869343,
|
||||
0.1045284629,
|
||||
0.08715574235,
|
||||
0.06975647334,
|
||||
0.05233595584,
|
||||
0.0348994963,
|
||||
0.01745240603,
|
||||
-0.000000000410206857,
|
||||
-0.01745240685,
|
||||
-0.03489949712,
|
||||
-0.05233595666,
|
||||
-0.06975647416,
|
||||
-0.08715574317,
|
||||
-0.1045284637,
|
||||
-0.1218693438,
|
||||
-0.1391731014,
|
||||
-0.1564344655,
|
||||
-0.1736481781,
|
||||
-0.1908089958,
|
||||
-0.2079116912,
|
||||
-0.2249510548,
|
||||
-0.241921896,
|
||||
-0.2588190455,
|
||||
-0.2756373562,
|
||||
-0.2923717052,
|
||||
-0.3090169948,
|
||||
-0.3255681549,
|
||||
-0.3420201438,
|
||||
-0.35836795,
|
||||
-0.3746065938,
|
||||
-0.3907311289,
|
||||
-0.4067366435,
|
||||
-0.4226182622,
|
||||
-0.4383711472,
|
||||
-0.4539905002,
|
||||
-0.4694715632,
|
||||
-0.4848096207,
|
||||
-0.5000000004,
|
||||
-0.5150380753,
|
||||
-0.5299192646,
|
||||
-0.5446390354,
|
||||
-0.5591929039,
|
||||
-0.5735764368,
|
||||
-0.5877852527,
|
||||
-0.6018150235,
|
||||
-0.6156614757,
|
||||
-0.6293203914,
|
||||
-0.6427876101,
|
||||
-0.6560590294,
|
||||
-0.6691306067,
|
||||
-0.6819983604,
|
||||
-0.6946583708,
|
||||
-0.7071067815,
|
||||
-0.7193398007,
|
||||
-0.731353702,
|
||||
-0.7431448258,
|
||||
-0.7547095806,
|
||||
-0.7660444435,
|
||||
-0.7771459618,
|
||||
-0.7880107539,
|
||||
-0.7986355104,
|
||||
-0.8090169947,
|
||||
-0.8191520446,
|
||||
-0.8290375729,
|
||||
-0.8386705682,
|
||||
-0.8480480964,
|
||||
-0.857167301,
|
||||
-0.8660254041,
|
||||
-0.8746197074,
|
||||
-0.8829475931,
|
||||
-0.8910065244,
|
||||
-0.8987940465,
|
||||
-0.9063077873,
|
||||
-0.9135454579,
|
||||
-0.9205048537,
|
||||
-0.9271838548,
|
||||
-0.9335804267,
|
||||
-0.939692621,
|
||||
-0.9455185758,
|
||||
-0.9510565165,
|
||||
-0.9563047561,
|
||||
-0.9612616961,
|
||||
-0.9659258264,
|
||||
-0.9702957264,
|
||||
-0.9743700649,
|
||||
-0.9781476009,
|
||||
-0.9816271836,
|
||||
-0.9848077531,
|
||||
-0.9876883407,
|
||||
-0.9902680688,
|
||||
-0.9925461517,
|
||||
-0.9945218954,
|
||||
-0.9961946981,
|
||||
-0.9975640503,
|
||||
-0.9986295348,
|
||||
-0.999390827,
|
||||
-0.9998476952,
|
||||
-1,
|
||||
-0.9998476951,
|
||||
-0.999390827,
|
||||
-0.9986295347,
|
||||
-0.9975640502,
|
||||
-0.996194698,
|
||||
-0.9945218953,
|
||||
-0.9925461516,
|
||||
-0.9902680687,
|
||||
-0.9876883405,
|
||||
-0.9848077529,
|
||||
-0.9816271833,
|
||||
-0.9781476006,
|
||||
-0.9743700646,
|
||||
-0.9702957261,
|
||||
-0.9659258261,
|
||||
-0.9612616958,
|
||||
-0.9563047558,
|
||||
-0.9510565161,
|
||||
-0.9455185754,
|
||||
-0.9396926206,
|
||||
-0.9335804263,
|
||||
-0.9271838543,
|
||||
-0.9205048532,
|
||||
-0.9135454574,
|
||||
-0.9063077868,
|
||||
-0.898794046,
|
||||
-0.8910065239,
|
||||
-0.8829475925,
|
||||
-0.8746197068,
|
||||
-0.8660254034,
|
||||
-0.8571673003,
|
||||
-0.8480480958,
|
||||
-0.8386705676,
|
||||
-0.8290375722,
|
||||
-0.8191520439,
|
||||
-0.809016994,
|
||||
-0.7986355096,
|
||||
-0.7880107532,
|
||||
-0.777145961,
|
||||
-0.7660444427,
|
||||
-0.7547095798,
|
||||
-0.743144825,
|
||||
-0.7313537011,
|
||||
-0.7193397998,
|
||||
-0.7071067807,
|
||||
-0.6946583699,
|
||||
-0.6819983595,
|
||||
-0.6691306058,
|
||||
-0.6560590284,
|
||||
-0.6427876091,
|
||||
-0.6293203905,
|
||||
-0.6156614747,
|
||||
-0.6018150226,
|
||||
-0.5877852517,
|
||||
-0.5735764357,
|
||||
-0.5591929029,
|
||||
-0.5446390344,
|
||||
-0.5299192636,
|
||||
-0.5150380743,
|
||||
-0.4999999993,
|
||||
-0.4848096196,
|
||||
-0.4694715621,
|
||||
-0.4539904991,
|
||||
-0.4383711461,
|
||||
-0.422618261,
|
||||
-0.4067366424,
|
||||
-0.3907311278,
|
||||
-0.3746065927,
|
||||
-0.3583679488,
|
||||
-0.3420201426,
|
||||
-0.3255681537,
|
||||
-0.3090169936,
|
||||
-0.292371704,
|
||||
-0.2756373551,
|
||||
-0.2588190443,
|
||||
-0.2419218948,
|
||||
-0.2249510536,
|
||||
-0.20791169,
|
||||
-0.1908089946,
|
||||
-0.1736481769,
|
||||
-0.1564344643,
|
||||
-0.1391731002,
|
||||
-0.1218693426,
|
||||
-0.1045284625,
|
||||
-0.08715574194,
|
||||
-0.06975647293,
|
||||
-0.05233595543,
|
||||
-0.03489949589,
|
||||
-0.01745240562,
|
||||
0.0
|
||||
};
|
||||
|
||||
double sin(double x) {
|
||||
if (x < 0.0) {
|
||||
x += 3.141592654 * 2.0 * 100.0;
|
||||
}
|
||||
double z = fmod(x, 3.141592654 * 2.0);
|
||||
|
||||
int i = z * 360.0 / (3.141582654 * 2.0);
|
||||
|
||||
return bad_sine_table[i];
|
||||
}
|
||||
|
||||
double cos(double x) {
|
||||
return sin(x + 3.141592654 / 2.0);
|
||||
}
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user