[]^3 displays error messages about xerbla lapack library (regression)
Reported by Samuel GOUGEON (@sgougeon)
BUG DESCRIPTION:
----------------
In scilab 5.5, []^n silently returns []: OK
In scilab 6.0, []^n also returns [], but displays error-like messages:
--> a = []^4, a==[]
xerbla: On entry to DGEMM parameter number 8 had an illegal value (lapack library problem)
xerbla: On entry to DGEMM parameter number 8 had an illegal value (lapack library problem)
xerbla: On entry to DGEMM parameter number 8 had an illegal value (lapack library problem)
a =
[]
ans =
T
However, when n is not integer, []^n silently returns []:
--> a = []^4.1, a==[]
a =
[]
ans =
T
warning off // does not prevent displaying the message
The xerbla message is not recorded in lasterror()
ERROR LOG:
----------
HOW TO REPRODUCE THE BUG:
-------------------------
[]^4