mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-29 23:52:22 +00:00
106 lines
2.1 KiB
R
106 lines
2.1 KiB
R
void printf (string fmt, ...) = #0;
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# define M_PI 3.14159265358979323846
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union {
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double d;
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int i[2];
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} type_pun;
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int
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test_format ()
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{
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int fail = 0;
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type_pun.d = M_PI;
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printf ("%g %08x%08x\n", type_pun.d, type_pun.i[1], type_pun.i[0]);
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// this will fail on big-endian systems
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fail = type_pun.i[0] != 0x54442d18 || type_pun.i[1] != 0x400921fb;
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return fail;
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}
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int
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test_constant ()
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{
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int fail = 0;
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double a, b, c, d, e;
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a = 1;
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b = 2.0;
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c = 3.2f;
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d = 3.2d;
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e = 3.2;
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printf ("%.17g %.17g %.17g %.17g %.17g\n", a, b, c, d, e);
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// this will fail on big-endian systems
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fail |= c == d; // 3.2 is not exactly representable, so must be different
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fail |= c == e; // 3.2 is not exactly representable, so must be different
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fail |= d != e; // 3.2d and 3.2 are both double, so must be the same
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return fail;
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}
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double less = 3;
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double greater_equal = 3;
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double less_equal = 5;
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double greater = 5;
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int
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test_copare ()
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{
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int fail = 0;
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fail |= !(less < greater);
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fail |= (less > greater);
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fail |= !(less != greater);
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fail |= (less == greater);
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fail |= !(less <= greater);
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fail |= (less >= greater);
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fail |= (less_equal < greater);
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fail |= (less_equal > greater);
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fail |= !(less_equal == greater);
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fail |= (less_equal != greater);
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fail |= !(less_equal <= greater);
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fail |= !(less_equal >= greater);
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fail |= (greater < less);
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fail |= !(greater > less);
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fail |= !(greater != less);
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fail |= (greater == less);
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fail |= (greater <= less);
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fail |= !(greater >= less);
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fail |= (greater_equal < less);
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fail |= (greater_equal > less);
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fail |= !(greater_equal == less);
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fail |= (greater_equal != less);
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fail |= !(greater_equal <= less);
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fail |= !(greater_equal >= less);
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return fail;
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}
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int
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test_ops ()
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{
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int fail = 0;
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double a = 6.25, b = 2.375;
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double c;
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c = a + b;
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fail |= c != 8.625;
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c = a - b;
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fail |= c != 3.875;
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c = a * b;
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fail |= c != 14.84375;
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c = a / b;
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fail |= c != 50d/19d;
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c = a % b;
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fail |= c != 1.5;
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return fail;
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}
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int
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main ()
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{
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int fail = 0;
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fail |= test_format ();
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fail |= test_constant ();
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fail |= test_ops ();
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return fail;
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}
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