mathmake.c File Reference

#include <stdio.h>
#include <math.h>

Include dependency graph for mathmake.c:

Go to the source code of this file.

Defines
#define	scale   1024
Functions
	main (void)
Variables
int	basis [91]
int	cost [360]

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Define Documentation

#define scale   1024

Definition at line 4 of file mathmake.c.

Referenced by gradu(), gradu2(), main(), realtimeinit(), repaint_window(), set_scale_win(), set_window_scale(), and theticks().

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Function Documentation

main

(

void

)

Definition at line 9 of file mathmake.c.

References basis, cost, i, scale, and val.

           {
        int i;
        printf("#define costScale %d\n", scale);
        printf("int cost[] = {\n  ");
        for (i=0; (i <= 90); i++) {
                basis[i] = cos((double)i * .0174532925) * scale;
        }
        for (i=0; (i < 90); i++) {
                printf("%d,\n  ", cost[i] = basis[i]);
        }
        for (i=90; (i < 180); i++) {
                printf("%d,\n  ", cost[i] = -basis[180-i]);
        }
        for (i=180; (i < 270); i++) {
                printf("%d,\n  ", cost[i] = -basis[i-180]);
        }
        for (i=270; (i < 359); i++) {
                printf("%d,\n  ", cost[i] = basis[360-i]);
        }
        printf("%d\n", cost[359] = basis[1]);
        printf("};\n");
        printf("#define sintScale %d\n", scale);
        printf("int sint[] = {\n  ");
        for (i=0; (i<360); i++) {
                int val;
                val = cost[(i + 270) % 360];
                if (i != 359) {
                        printf("%d,\n  ", val);
                } else {
                        printf("%d\n", val);
                }
        }
        printf("};\n");
}

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Variable Documentation

int basis[91]

Definition at line 6 of file mathmake.c.

Referenced by main().

int cost[360]

Definition at line 7 of file mathmake.c.

Referenced by gdImageArc(), main(), sciUpdateScaleAngles(), and SetEch3d1().

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