mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-11 15:51:36 +00:00
56 lines
1,014 B
R
56 lines
1,014 B
R
#pragma traditional
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void (...) printf = #0;
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float foo (float a, float b)
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{
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float c = a % b;
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return c;
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}
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float bar (float a, float b)
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{
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float c;
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b &= b;
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a &= a;
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c = a - ((a / b) & -1) * b;
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return c;
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}
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float baz (float a, float b)
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{
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float c = (a + b) % (a - b);
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return c;
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}
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float test (string name, float (func)(float a, float b),
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float a, float b, float c)
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{
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float ret;
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ret = func (a, b);
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if (ret != c) {
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printf ("%s: %g %% %g: %g != %g\n", name, a, b, ret, c);
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return 1;
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}
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return 0;
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}
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float main (void)
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{
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float res = 0;
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res |= test ("foo", foo, 5, 3, 2);
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res |= test ("bar", bar, 5, 3, 2);
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res |= test ("baz", baz, 5, 3, 0);
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res |= test ("foo", foo, -5, 3, -2);
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res |= test ("bar", bar, -5, 3, -2);
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res |= test ("baz", baz, -5, 3, -2);
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res |= test ("foo", foo, 5, -3, 2);
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res |= test ("bar", bar, 5, -3, 2);
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res |= test ("baz", baz, 5, -3, 2);
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res |= test ("foo", foo, -5, -3, -2);
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res |= test ("bar", bar, -5, -3, -2);
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res |= test ("baz", baz, -5, -3, 0);
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return res;
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}
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