Merge branch 'master' of github.com:JuliaLang/julia

README.md

@@ -26,7 +26,7 @@ For a more in-depth discussion of the rationale and advantages of Julia over oth
 - **[gcc, g++, gfortran][gcc]** — compiling and linking C, C++ and Fortran code.
 - **[curl][]** — to automatically download external libraries:
  - **[fdlibm][]** — a portable implementation of much of the system-dependent libm math library's functionality.
- - **[MT][]** - Mersenne Twister is a fast pseudorandom number generator
+ - **[MT][]** — a fast Mersenne Twister pseudorandom number generator library.
  - **[OpenBLAS][]** — a fast, open, and maintained [basic linear algebar subprograms (BLAS)](http:https://en.wikipedia.org/wiki/Basic_Linear_Algebra_Subprograms) library, based on [Kazushige Goto's](http:https://en.wikipedia.org/wiki/Kazushige_Goto) famous [GotoBLAS](http:https://www.tacc.utexas.edu/tacc-projects/gotoblas2/).
  - **[LAPACK][]** — library of linear algebra routines for solving systems of simultaneous linear equations, least-squares solutions of linear systems of equations, eigenvalue problems, and singular value problems.
  - **[ARPACK][]** — a collection of subroutines designed to solve large, sparse eigenvalue problems.

j/libc.j

@@ -30,3 +30,10 @@ function getcwd()
  end
  string(p)
 end
+
+function setcwd(p::String)
+ if ccall(dlsym(libc, :chdir), Int32, (Ptr{Uint8},), p) == -1
+ throw(SystemError("setcwd"))
+ end
+ getcwd()
+end