Add gr_mat_pow_ui and gr_mat_pow_fmpz, use it in added fmpz_mod_mat_pow_ui
#3016
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|---|---|
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| 6m 46s | |
| 8m 49s | |
| 6m 21s | |
| 11m 23s | |
| 5m 41s | |
| 5m 54s | |
| 8m 7s | |
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| 1h 5m 13s |