configure.in: set AC_CONFIG_MACRO_DIR

[piplib.git] / example / square.dat

(()
2 1 4 0 -1 1
( #[ 1  0  0  0]
  #[-1  0  0  1]
  #[ 0  1  0  0]
  #[ 0 -1  0  1]
)
()
)