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Comparison of floats (if a>b then), float precision
Great! Thank you very much, I overlooked those links you gave in your first post.. Though, try running your code with A ending in '20' instead of '11'. I get exactly the same output as before (i.e., both the regular and the scientific representation of A and B are equal), YET the result is A...- YpjY
- Post #7
- Forum: Embarcadero: Delphi
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Comparison of floats (if a>b then), float precision
Thanks for your answers. I have just verified that the result of IsAGreaterThanB(98765432109876543211.0, 98765432109876543210.0) is False! Not True, as I suspected above without having it verified.. So it seems that "a > b" and "IsAGreaterThanB(a, b)" give always the same result. Or has anyone...- YpjY
- Post #4
- Forum: Embarcadero: Delphi
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Comparison of floats (if a>b then), float precision
Hi, could someone explain clearly what exactly Delphi does when I write "if a > b then", given that "var a, b: Extended"? By trial and error I have found that it only checks the first 19 non-zero digits, e.g. 0.000...00001 > 0.0 is True for any number of zeros 98765432109876543220.0 >...- YpjY
- Thread
- Replies: 10
- Forum: Embarcadero: Delphi
