Product Documentation
Virtuoso Layout Suite SKILL Reference
Product Version IC23.1, November 2023

cphSetCellRounding

cphSetCellRounding(
g_physConfigID
t_logLib
t_logCell
t_roundingRule
)
=> t / nil

Description

Specifies how the value of a specified parameter on a logical cell is rounded when it is evaluated by Layout XL. This property is typically used in conjunction with the lxDeviceWidth parameter to prevent folded devices from becoming off-grid.

Arguments

g_physConfigID

ID of the physical configuration cellview.

t_logLib

Name of the library containing the logical cell.

t_logCell

Name of the logical cell.

t_roundingRule

String specifying a Rounding rule.

For example, the following setting rounds the value of w to the closest multiple of 0.05 microns.

(w 0.05 round)

Value Returned

t

Rounding rule was set.

nil

Rounding rule was not set.

Example

cphSetCellRounding(physConfigID "cph" "nand" "(w 0.05 round)")

Related Topics

Rounding Parameter Values


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