r1cs modification

[codecov[bot]]

Codecov Report

Attention: 15 lines in your changes are missing coverage. Please review.

Comparison is base (8f124db) 62.86% compared to head (3c632ae) 63.27%. Report is 2 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #165 +/- ## ========================================== + Coverage 62.86% 63.27% +0.41% ========================================== Files 52 53 +1 Lines 4462 4474 +12 ========================================== + Hits 2805 2831 +26 + Misses 1657 1643 -14 ``` | [Files](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork) | Coverage Δ | | |---|---|---| | [groth16/src/fft.rs](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork#diff-Z3JvdGgxNi9zcmMvZmZ0LnJz) | `100.00% <100.00%> (ø)` | | | [groth16/src/poly.rs](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork#diff-Z3JvdGgxNi9zcmMvcG9seS5ycw==) | `33.68% <ø> (ø)` | | | [groth16/src/prover.rs](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork#diff-Z3JvdGgxNi9zcmMvcHJvdmVyLnJz) | `98.18% <ø> (ø)` | | | [groth16/src/zksnark.rs](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork#diff-Z3JvdGgxNi9zcmMvemtzbmFyay5ycw==) | `100.00% <ø> (ø)` | | | [r1cs/src/lib.rs](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork#diff-cjFjcy9zcmMvbGliLnJz) | `94.11% <100.00%> (+7.45%)` | :arrow_up: | | [r1cs/src/matrix.rs](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork#diff-cjFjcy9zcmMvbWF0cml4LnJz) | `100.00% <100.00%> (ø)` | | | [r1cs/src/matrix/vector.rs](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork#diff-cjFjcy9zcmMvbWF0cml4L3ZlY3Rvci5ycw==) | `71.42% <ø> (+42.85%)` | :arrow_up: | | [r1cs/src/gadget.rs](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork#diff-cjFjcy9zcmMvZ2FkZ2V0LnJz) | `70.00% <70.00%> (ø)` | | | [r1cs/src/matrix/row.rs](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork#diff-cjFjcy9zcmMvbWF0cml4L3Jvdy5ycw==) | `55.38% <35.71%> (-0.68%)` | :arrow_down: | ... and [1 file with indirect coverage changes](https://app.codecov.io/gh/KogarashiNetwork/Kogarashi/pull/165/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KogarashiNetwork)

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