steps to reproduce:
immediately after starting yacas execute
In> LeadingCoef(-x^2+1)
expected result:
Out> -1
actual result:
The predicate
IsZero(x)
evaluated to
IsZero(x)
CommandLine(1) : Max evaluation stack depth reached.
Please use MaxEvalDepth to increase the stack size as needed.
Out> False
fixed in r3159