/*
y = fwblkslv(L,b, [y])
Given block sparse Cholesky structure L, as generated by
SPARCHOL, this solves the equation "L.L * y = b(L.perm,:)",
i.e. y = L.L\b(L.perm,:). The diagonal of
/*
y = bwblkslv(L,b, [y])
Given block sparse Cholesky structure L, as generated by
SPARCHOL, this solves the equation "L.L' * y(L.perm) = b",
i.e. y(L.perm) = L.L'\b. The diagonal of L
;# Library file y.s has linkonce entries for fn and fn2. Note
;# that this version of fn has different code, as if compiled
;# with different optimization flags than the one in x.s (not
;# important
;# Library file y.s has linkonce entries for fn and fn2. Note
;# that this version of fn has different code, as if compiled
;# with different optimization flags than the one in x.s (not
;# important