Remove panic

[itsubaki]

No description provided.

[codecov]

Codecov Report

Merging #19 (f774da8) into main (fbdfaee) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #19   +/-   ##
=======================================
  Coverage   99.77%   99.78%           
=======================================
  Files          17       18    +1     
  Lines        1348     1377   +29     
=======================================
+ Hits         1345     1374   +29     
  Misses          2        2           
  Partials        1        1           

Impacted Files	Coverage Δ
pkg/math/number/parse.go	100.00% <ø> (ø)
pkg/math/matrix/matrix.go	98.75% <100.00%> (+<0.01%)	⬆️
pkg/math/number/must.go	100.00% <100.00%> (ø)
pkg/math/rand/crypto.go	100.00% <100.00%> (ø)
pkg/math/vector/vector.go	100.00% <100.00%> (ø)
pkg/quantum/density/matrix.go	100.00% <100.00%> (ø)
pkg/quantum/gate/gate.go	100.00% <100.00%> (ø)
pkg/quantum/qubit/qubit.go	100.00% <100.00%> (ø)
pkg/quantum/qubit/state.go	100.00% <100.00%> (ø)
q.go	100.00% <100.00%> (ø)
... and 7 more

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