70 lines
856 B
C
70 lines
856 B
C
#include <stdio.h>
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#ifdef DEBUG
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#define abort() printf ("error, line %d\n", __LINE__)
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#endif
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int count;
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void a1() { ++count; }
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void
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b (unsigned long data)
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{
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if (data & 0x80000000) a1();
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data <<= 1;
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if (data & 0x80000000) a1();
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data <<= 1;
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if (data & 0x80000000) a1();
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}
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main ()
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{
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count = 0;
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b (0);
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if (count != 0)
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abort ();
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count = 0;
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b (0x80000000);
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if (count != 1)
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abort ();
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count = 0;
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b (0x40000000);
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if (count != 1)
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abort ();
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count = 0;
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b (0x20000000);
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if (count != 1)
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abort ();
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count = 0;
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b (0xc0000000);
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if (count != 2)
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abort ();
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count = 0;
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b (0xa0000000);
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if (count != 2)
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abort ();
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count = 0;
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b (0x60000000);
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if (count != 2)
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abort ();
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count = 0;
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b (0xe0000000);
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if (count != 3)
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abort ();
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#ifdef DEBUG
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printf ("Done.\n");
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#endif
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exit (0);
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}
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