Optimize SUNMatrixWrapper functions

[dweindl]

• Avoid array bound-checks within loops
• Avoid repeated function calls in loops
• Make some functions inlinable

[codecov]

Codecov Report

Merging #1538 (b0e787c) into develop (e981d74) will decrease coverage by 0.04%.
The diff coverage is 76.31%.

@@             Coverage Diff             @@
##           develop    #1538      +/-   ##
===========================================
- Coverage    79.03%   78.99%   -0.05%     
===========================================
  Files           67       67              
  Lines        10567    10579      +12     
===========================================
+ Hits          8352     8357       +5     
- Misses        2215     2222       +7     

Flag	Coverage Δ
cpp	75.51% <76.31%> (-0.06%)	⬇️
petab	67.24% <ø> (ø)
python	67.76% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/sundials_matrix_wrapper.cpp	81.88% <65.07%> (-1.91%)	⬇️
include/amici/sundials_matrix_wrapper.h	88.52% <90.19%> (+8.52%)	⬆️

[sonarcloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
2 Code Smells

0.0% Coverage
0.0% Duplication