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31 lines
544 B
C++
31 lines
544 B
C++
#include <Core/Core.h>
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using namespace Upp;
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CONSOLE_APP_MAIN
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{
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StdLogSetup(LOG_COUT|LOG_FILE);
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int tm0 = msecs();
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uint64 count = 0;
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for(;;) {
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count++;
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double x;
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uint64 n;
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n = Random64();
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memcpy(&x, &n, 8);
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String s = Sprintf("%.17g", x);
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String f = FormatG(x, 17);
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if(s != f) {
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RLOG("ERROR");
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RDUMP(Sprintf("%.30g", x));
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RDUMP(s);
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RDUMP(f);
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RDUMP(count);
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Exit(1);
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}
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if(msecs() - tm0 > 1000) {
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RLOG(Sprintf("%.6f billions", count * 1e-9));
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tm0 = msecs();
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}
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}
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}
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