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### Prerequisites
* [x] Put an X between the brackets on this line if you have done all of the following:
* Checked that your issue isn't already [filed](https://github.com/leanprover/lean/iss…
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*Originally reported by* **Luca Geretti (Bitbucket: [lgeretti](https://bitbucket.org/lgeretti), GitHub: [lgeretti](https://github.com/lgeretti))**
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When using…
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The parsing of an argument expression for a single argument functions is very surprising when using RPN syntax. When there is exactly one object preceding such function, then everything is working as …
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One of the simplest and quite popular example of where we need tensors is a derivative of a matrix-matrix multiplication:
```
C = A*B
```
If all three are matrices, then derivative of `C` w.r.t. `A…
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I was recently looking at the interfaces tagged `"Numbers"` in the language module and decided that they were too strict in some ways. I, for example, was not able to create a type that represents mat…
ghost updated
7 years ago
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Specifically, when I compare
```
gfortran -O3 perf.f90 && ./a.out
gfortran -O3 -march=native -ffast-math -funroll-loops perf.f90 && ./a.out
```
on my machine, then I get 2x speedup on the `iterat…
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In the rule
lhs -> rhs @ (10)
we expect an error as only a unary rate is provided. However as rates are algebraic expressions, the parentheses are allowed and the rate is not interpreted as an unary r…
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**Reported by ahaumer on 18 Dec 2015 11:44 UTC**
In a web-/phone-conference today a smaller working group developed the **release plan for MSl 3.2.2**:
1. **Dec. 23, 2015**: Feature Freeze. Trunk is …
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At the moment we have type class `Graph` and data type called `Basic` that is its direct deep embedding (I also sometimes refer to it as `Expr`). However, it would be really nice to call the data type…
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**Modified by beutlich on 22 Feb 2016 13:31 UTC**
In #1886 _Modelica.Math.Random.Utilities.impureRandomInteger_ was marked as _Impure_. According to MLS 3.2 rev2 12.3 the semantics of an impure functi…