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This implements issue #1251. Basically `machine Foo(a,b) { ... }` is now `machine Foo with latch: a, operation_id: b { ... }`
37 lines
765 B
Rust
37 lines
765 B
Rust
machine Main with degree: 256 {
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Arith arith;
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reg pc[@pc];
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reg X[<=];
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reg Y[<=];
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reg A;
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reg Z[<=]; // we declare this assignment register last to test that the ordering does not matter
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instr add X, Y -> Z = arith.add;
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instr mul X, Y -> Z = arith.mul;
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instr assert_eq X, Y { X = Y }
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function main {
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A <== add(2, 1);
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A <== mul(A, 9);
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assert_eq A, 27;
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return;
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}
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}
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machine Arith with
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latch: latch,
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operation_id: operation_id
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{
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operation add<0> x[0], x[1] -> y;
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operation mul<1> x[0], x[1] -> y;
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col fixed latch = [1]*;
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col witness operation_id;
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col witness x[2];
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col witness y;
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y = operation_id * (x[0] * x[1]) + (1 - operation_id) * (x[0] + x[1]);
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}
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