mirror of
git://projects.qi-hardware.com/cae-tools.git
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46c8f8653c
The only functions that care about this at the moment are from CGAL, and there we can determine from context what to do.
77 lines
1.3 KiB
Bash
Executable File
77 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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. ./Common
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###############################################################################
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tst "outer offset" <<EOF
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struct p2d *p = p2d_new();
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struct p2d *q;
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p2d_append(p, v2d_new(0, 0));
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p2d_append(p, v2d_new(2, 0));
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p2d_append(p, v2d_new(2, 1));
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p2d_append(p, v2d_new(0, 1));
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p2d_close(p);
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q = p2d_offset(p, 0.5);
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p2d_write_gnuplot(stdout, p2d_reverse(q->next));
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EOF
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expect <<EOF
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-0.5 -0.5
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2.5 -0.5
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2.5 1.5
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-0.5 1.5
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-0.5 -0.5
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EOF
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#------------------------------------------------------------------------------
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tst "inner offset" <<EOF
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struct p2d *p = p2d_new();
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struct p2d *q;
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p2d_append(p, v2d_new(0, 0));
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p2d_append(p, v2d_new(2, 0));
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p2d_append(p, v2d_new(2, 1));
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p2d_append(p, v2d_new(0, 1));
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p2d_close(p);
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q = p2d_offset(p, -0.1);
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p2d_write_gnuplot(stdout, q);
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EOF
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expect <<EOF
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0.1 0.1
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1.9 0.1
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1.9 0.9
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0.1 0.9
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0.1 0.1
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EOF
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#------------------------------------------------------------------------------
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tst "inner offset, polygon cw" <<EOF
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struct p2d *p = p2d_new();
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struct p2d *q;
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p2d_append(p, v2d_new(0, 0));
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p2d_append(p, v2d_new(0, 1));
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p2d_append(p, v2d_new(2, 1));
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p2d_append(p, v2d_new(2, 0));
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p2d_close(p);
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q = p2d_offset(p, -0.1);
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p2d_write_gnuplot(stdout, q);
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EOF
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expect <<EOF
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0.1 0.1
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1.9 0.1
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1.9 0.9
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0.1 0.9
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0.1 0.1
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EOF
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###############################################################################
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