Improving precision in array retrieval

[germa89]

As the title.

Simple change but it seems effective.

Instead of printing the array using floating numbers (F) we use exponential (E).

Before

((.venv_py312) ) ➜  pymapdl git:(feat/more-precision-retrieving-arrays) ✗ python tmp/main.py
[ 0.000e+00  0.000e+00 -4.580e-10 -8.780e-10 -2.180e-10 -2.680e-10
 -3.790e-10 -5.410e-10 -4.700e-10 -8.150e-10  4.580e-10 -8.780e-10
  0.000e+00 -1.473e-09  0.000e+00  0.000e+00  4.700e-10 -8.150e-10
  3.790e-10 -5.410e-10  2.180e-10 -2.680e-10  0.000e+00  0.000e+00
  0.000e+00 -1.910e-10  0.000e+00 -4.900e-10  0.000e+00 -8.640e-10]
-4.58e-10

After change

((.venv_py312) ) ➜  pymapdl git:(feat/more-precision-retrieving-arrays) ✗ python tmp/main.py
[ 0.00000000e+00  0.00000000e+00 -4.58300835e-10 -8.78066913e-10
 -2.18264131e-10 -2.68102076e-10 -3.78991840e-10 -5.41040242e-10
 -4.70445287e-10 -8.15032225e-10  4.58300835e-10 -8.78066913e-10
  8.95900195e-26 -1.47316722e-09  0.00000000e+00  0.00000000e+00
  4.70445287e-10 -8.15032225e-10  3.78991840e-10 -5.41040242e-10
  2.18264131e-10 -2.68102076e-10  0.00000000e+00  0.00000000e+00
  4.44206888e-26 -1.90657946e-10  1.43633916e-25 -4.90177355e-10
  1.15997145e-25 -8.64297293e-10]
-4.58300835113e-10

Model used for testing

Using the example given in #2939

Close #2939

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[germa89]

Pinging @koubaa @mikerife @FredAns just to make sure I'm using right format/approach.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.11%. Comparing base (3a14565) to head (8329da9).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2955      +/-   ##
==========================================
- Coverage   86.67%   84.11%   -2.56%     
==========================================
  Files          48       48              
  Lines        9469     9469              
==========================================
- Hits         8207     7965     -242     
- Misses       1262     1504     +242     

[mikerife]

I like this a lot!