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rise time and fall time setting

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1rise time and fall time setting Empty rise time and fall time setting Thu Jul 06, 2023 4:16 pm

vranik



Rise time and fall time setting for logic gates doesn't work correctly in version 1.0.0 R1370. It is possible rewrite the value manually. When the down arrow is used the value is decreased by one, but when the value is zero then it is decreased to some high value depending on the selected unit. The up arrow increases value only several times and then keeps the same value when the unit ps is selected. When Gs is selected then the value is reset to zero all the time. When Ms is selected  then the value is limited to 18. It seems that other units works corretly. Also when the value is greater than one milion then the value is displayed as mantissa and exponent.



Last edited by arcachofo on Thu Jul 06, 2023 5:04 pm; edited 1 time in total (Reason for editing : Mark as solved (green color))

2rise time and fall time setting Empty Re: rise time and fall time setting Thu Jul 06, 2023 5:04 pm

arcachofo

arcachofo

Thank you. Solved at Rev 1371 and trunk Rev 1729.

3rise time and fall time setting Empty Re: rise time and fall time setting Thu Jul 06, 2023 6:50 pm

vranik



There are other problems. There is missing multiplier Tera in QHash multipliers in file utils.cpp. And there is other problem with rounding in file iocomponent.cpp. When I write 23 ps into rise time field then it is immediately changed to 22 ps. Therefore it is not possible to increase value from 22 ps to 23 ps by the arrow up because the value is increased from 22 to 23 and immediately rounded back to 22. It is rounded back because calculation time*1e12 in setters is 23 * 1e12 and it is not exact and the result is a little bit less than 23. When the result is stored into integer variable the fractional part is omitted and the stored value is 22.

4rise time and fall time setting Empty Re: rise time and fall time setting Thu Jul 06, 2023 7:50 pm

arcachofo

arcachofo

Good catch.
Solved at Rev 1373 & 1374 and trunk Rev 1731 & 1732.

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