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add (^) as an evaluable factor, re: #39

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This commit is contained in:
Mark Thom
2018-09-01 13:48:04 -06:00
parent db36958504
commit 78ea3f5441
9 changed files with 279 additions and 34 deletions
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4
src/prolog/io.rs
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@@ -244,12 +244,16 @@ impl fmt::Display for ArithmeticTerm {
impl fmt::Display for ArithmeticInstruction {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
&ArithmeticInstruction::Abs(ref a1, ref t) =>
write!(f, "abs {}, @{}", a1, t),
&ArithmeticInstruction::Add(ref a1, ref a2, ref t) =>
write!(f, "add {}, {}, @{}", a1, a2, t),
&ArithmeticInstruction::Sub(ref a1, ref a2, ref t) =>
write!(f, "sub {}, {}, @{}", a1, a2, t),
&ArithmeticInstruction::Mul(ref a1, ref a2, ref t) =>
write!(f, "mul {}, {}, @{}", a1, a2, t),
&ArithmeticInstruction::Pow(ref a1, ref a2, ref t) =>
write!(f, "pow {}, {}, @{}", a1, a2, t),
&ArithmeticInstruction::Div(ref a1, ref a2, ref t) =>
write!(f, "div {}, {}, @{}", a1, a2, t),
&ArithmeticInstruction::IDiv(ref a1, ref a2, ref t) =>