Error of eigmax & eigmin for real symmetric matrix

[lindahua]

I encountered the error on Mac, with latest master branch:

julia> x = rand(3,3);

julia> eigvals(Symmetric(x'x))
3-element Array{Float64,1}:
 0.00247248
 0.542792  
 3.53177   

julia> eigmax(Symmetric(x'x))
 ** On entry to DSYEVR parameter number  8 had an illegal value
ERROR: ArgumentError("invalid argument JuliaLang/julia#8 to LAPACK call")
 in syevr! at linalg/lapack.jl:2862
 in eigvals! at linalg/symmetric.jl:47
 in eigvals at linalg/factorization.jl:577
 in eigmax at linalg/symmetric.jl:48

julia> eigmin(Symmetric(x'x))
 ** On entry to DSYEVR parameter number  8 had an illegal value
ERROR: ArgumentError("invalid argument JuliaLang/julia#8 to LAPACK call")
 in syevr! at linalg/lapack.jl:2862
 in eigvals! at linalg/symmetric.jl:47
 in eigvals at linalg/factorization.jl:577
 in eigmin at linalg/symmetric.jl:49

julia> versioninfo()
Julia Version 0.3.0-rc1+28
Commit 79e4771 (2014-07-15 12:18 UTC)
Platform Info:
  System: Darwin (x86_64-apple-darwin13.2.0)
  CPU: Intel(R) Core(TM) i7-3720QM CPU @ 2.60GHz
  WORD_SIZE: 64
  BLAS: libopenblas (USE64BITINT DYNAMIC_ARCH NO_AFFINITY Sandybridge)
  LAPACK: libopenblas
  LIBM: libopenlibm