C_arraytest output

--- Test vecfcn1 ------------------------------
 Multiply the input by 2 x dfac and put in output 

Input string: I'm in a C extension.
x= [ 0.  1.  2.  3.]
y= [  0.   4.   8.  12.]

--- Test vecsq ------------------------------
 Each 2nd vector component should = square of 1st vector component x xfac 

x= [ 0.  1.  2.  3.  4.  5.  6.]
y= [ -0.   -2.5 -10.  -22.5 -40.  -62.5 -90. ]

--- Test rowx2 ------------------------------
  (PyArrayObject construction directly from PyArg_ParseTuple)
 2nd row of matrix y should be 2 x 2nd row of matrix x 

x= [[ 0.  1.  2.  3.]
 [ 0.  1.  2.  3.]]
y= [[ 0.  1.  2.  3.]
 [ 0.  2.  4.  6.]]

--- Test rowx2_v2  ------------------------------
  (PyArrayObject construction different from rowx2)
 2nd row of matrix y should be 2 x 2nd row of matrix x 

x= [[ 0.  1.  2.  3.]
 [ 0.  1.  2.  3.]]
w= [[ 0.  1.  2.  3.]
 [ 0.  2.  4.  6.]]

--- Test matsq ------------------------------
 Each 2nd matrix component should = square of 1st matrix component x ifac x dfac 

x= [[ 0.  1.  2.  3.]
 [ 0.  3.  6.  9.]]
y= [[   0.    3.   12.   27.]
 [   0.   27.  108.  243.]]

--- Test contigmat ------------------------------
 Each 2nd matrix component should = square of 1st matrix component x ifac x dfac 

In contigmat, cout (as contiguous memory) =
-1.500000e+00 -5.000000e-01 5.000000e-01 1.500000e+00 -1.500000e+00 1.500000e+00 4.500000e+00 7.500000e+00 
x= [[ 0.  1.  2.  3.]
 [ 0.  3.  6.  9.]]
y= [[-1.5 -0.5  0.5  1.5]
 [-1.5  1.5  4.5  7.5]]

--- Test intarrtest1 ------------------------------
 Each 2nd matrix component should = 1 if intin >= 0 or 0 otherwise 

In intfcn1, the input Python float = -2.278000e+01, a C double
In intfcn1, the output array is,

0 0 0 1 1 
0 1 1 1 1 

x= [[-3 -2 -1  0  1]
 [-3  0  3  6  9]]
y= [[0 0 0 1 1]
 [0 1 1 1 1]]
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