D.12.8.3 varsigns
Procedure from library
rootsur.lib
(see
rootsur_lib
).
Usage:
varsigns(l); list l.
Return:
int: the number of sign changes in the list l
Example:
See also:
boundposDes
.
User manual for
Singular
version 3-1-6, Dec 2012, generated by
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.