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//! This module defines errors returned by the library.
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//! This module defines errors returned by the library.
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use core::fmt::Debug;
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use core::fmt::Debug;
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use thiserror::Error;
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/// Errors returned by Nova
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/// Errors returned by Nova
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#[derive(Clone, Debug, Eq, PartialEq)]
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#[derive(Clone, Debug, Eq, PartialEq, Error)]
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pub enum NovaError {
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pub enum NovaError {
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/// returned if the supplied row or col in (row,col,val) tuple is out of range
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/// returned if the supplied row or col in (row,col,val) tuple is out of range
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#[error("InvalidIndex")]
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InvalidIndex,
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InvalidIndex,
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/// returned if the supplied input is not even-sized
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/// returned if the supplied input is not even-sized
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#[error("OddInputLength")]
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OddInputLength,
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OddInputLength,
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/// returned if the supplied input is not of the right length
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/// returned if the supplied input is not of the right length
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#[error("InvalidInputLength")]
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InvalidInputLength,
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InvalidInputLength,
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/// returned if the supplied witness is not of the right length
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/// returned if the supplied witness is not of the right length
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#[error("InvalidWitnessLength")]
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InvalidWitnessLength,
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InvalidWitnessLength,
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/// returned if the supplied witness is not a satisfying witness to a given shape and instance
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/// returned if the supplied witness is not a satisfying witness to a given shape and instance
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#[error("UnSat")]
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UnSat,
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UnSat,
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/// returned when the supplied compressed commitment cannot be decompressed
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/// returned when the supplied compressed commitment cannot be decompressed
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#[error("DecompressionError")]
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DecompressionError,
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DecompressionError,
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/// returned if proof verification fails
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/// returned if proof verification fails
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#[error("ProofVerifyError")]
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ProofVerifyError,
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ProofVerifyError,
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/// returned if the provided number of steps is zero
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/// returned if the provided number of steps is zero
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#[error("InvalidNumSteps")]
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InvalidNumSteps,
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InvalidNumSteps,
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/// returned when an invalid inner product argument is provided
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/// returned when an invalid inner product argument is provided
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#[error("InvalidIPA")]
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InvalidIPA,
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InvalidIPA,
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/// returned when an invalid sum-check proof is provided
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/// returned when an invalid sum-check proof is provided
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#[error("InvalidSumcheckProof")]
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InvalidSumcheckProof,
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InvalidSumcheckProof,
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/// returned when the initial input to an incremental computation differs from a previously declared arity
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/// returned when the initial input to an incremental computation differs from a previously declared arity
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#[error("InvalidInitialInputLength")]
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InvalidInitialInputLength,
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InvalidInitialInputLength,
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/// returned when the step execution produces an output whose length differs from a previously declared arity
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/// returned when the step execution produces an output whose length differs from a previously declared arity
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#[error("InvalidStepOutputLength")]
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InvalidStepOutputLength,
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InvalidStepOutputLength,
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}
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}
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