rishi/scryer-prolog
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add bitwise and modular operations.

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This commit is contained in:
Mark Thom
2017-12-03 14:15:01 -07:00
parent c4cb3574ba
commit e8a9da0dca
7 changed files with 229 additions and 4 deletions
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9
src/prolog/arithmetic.rs
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@@ -101,9 +101,16 @@ impl<'a> ArithmeticEvaluator<'a> {
"-" => Ok(ArithmeticInstruction::Sub(a1, a2, t)),
"/" => Ok(ArithmeticInstruction::Div(a1, a2, t)),
"//" => Ok(ArithmeticInstruction::IDiv(a1, a2, t)),
"div" => Ok(ArithmeticInstruction::IDiv(a1, a2, t)),
"div" => Ok(ArithmeticInstruction::FIDiv(a1, a2, t)),
"rdiv" => Ok(ArithmeticInstruction::RDiv(a1, a2, t)),
"*" => Ok(ArithmeticInstruction::Mul(a1, a2, t)),
">>" => Ok(ArithmeticInstruction::Shr(a1, a2, t)),
"<<" => Ok(ArithmeticInstruction::Shl(a1, a2, t)),
"/\\" => Ok(ArithmeticInstruction::And(a1, a2, t)),
"\\/" => Ok(ArithmeticInstruction::Or(a1, a2, t)),
"xor" => Ok(ArithmeticInstruction::Xor(a1, a2, t)),
"mod" => Ok(ArithmeticInstruction::Mod(a1, a2, t)),
"rem" => Ok(ArithmeticInstruction::Rem(a1, a2, t)),
_ => Err(ArithmeticError::InvalidOp)
}
}