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7a8cade379
This initial checkin has no changes to any of the libgd code so it can be used as a basis for diffs. It also will not build currently because of this. The PHP gd checks need to be incorporated along with a bit of other config magic. It also shouldn't break the build and will only take effect if you use --with-gd=php right now.
53 lines
1010 B
C
53 lines
1010 B
C
#include <stdio.h>
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#include <math.h>
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#define scale 1024
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int basis[91];
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int cost[360];
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main (void)
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{
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int i;
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printf ("#define costScale %d\n", scale);
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printf ("int cost[] = {\n ");
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for (i = 0; (i <= 90); i++)
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{
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basis[i] = cos ((double) i * .0174532925) * scale;
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}
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for (i = 0; (i < 90); i++)
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{
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printf ("%d,\n ", cost[i] = basis[i]);
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}
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for (i = 90; (i < 180); i++)
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{
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printf ("%d,\n ", cost[i] = -basis[180 - i]);
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}
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for (i = 180; (i < 270); i++)
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{
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printf ("%d,\n ", cost[i] = -basis[i - 180]);
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}
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for (i = 270; (i < 359); i++)
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{
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printf ("%d,\n ", cost[i] = basis[360 - i]);
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}
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printf ("%d\n", cost[359] = basis[1]);
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printf ("};\n");
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printf ("#define sintScale %d\n", scale);
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printf ("int sint[] = {\n ");
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for (i = 0; (i < 360); i++)
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{
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int val;
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val = cost[(i + 270) % 360];
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if (i != 359)
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{
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printf ("%d,\n ", val);
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}
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else
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{
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printf ("%d\n", val);
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}
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}
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printf ("};\n");
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}
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