API review March 2022 (#535)

* API review meeting notes.

* Update Design/meetings/2022/api-design-2022-03.md

Co-authored-by: Mariia Mykhailova <[email protected]>

* Apply suggestions from code review

* Update consensus.

Co-authored-by: Mariia Mykhailova <[email protected]>

Author: msoeken

Design/meetings/2022/api-design-2022-03.md

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+# Q# API Design Discussions / March 2022
+
+Reviewers (in order by username): .
+
+## Agenda
+
+- https://github.com/microsoft/QuantumLibraries/issues/471
+- https://github.com/microsoft/QuantumLibraries/issues/442
+- https://github.com/microsoft/QuantumLibraries/issues/423
+- https://github.com/microsoft/QuantumLibraries/issues/515
+
+## Discussion
+
+### Multivariate stochastic optimization
+
+**Proposal**: https://github.com/microsoft/QuantumLibraries/issues/471
+
+**Reviews**:
+* @msoeken, *approve*
+> Please add a bullet point including your alias, your review result (*approve*, *reject*, *comment*), and a comment (optional when result is *approve*).  Alternatively, add a line to the PR discussion incl. a reference to this issue.
+
+**Consensus**: Approved (incl. implicit approval from proposal author)
+
+---
+
+### New functions for singly controlled operations
+
+**Proposal**: https://github.com/microsoft/QuantumLibraries/issues/442
+
+**Reviews**:
+* @tcNickolas, *approve*, left a couple of small comments in the issue
+* @msoeken, *approve*
+> Please add a bullet point including your alias, your review result (*approve*, *reject*, *comment*), and a comment (optional when result is *approve*).  Alternatively, add a line to the PR discussion incl. a reference to this issue.
+
+**Consensus**: Approved (incl. implicit approval from proposal author)
+
+---
+
+### Simple and consistent arithmetic API
+
+**Proposal**: https://github.com/microsoft/QuantumLibraries/issues/423
+
+**Reviews**:
+
+> Please add a bullet point including your alias, your review result (*approve*, *reject*, *comment*), and a comment (optional when result is *approve*).  Alternatively, add a line to the PR discussion incl. a reference to this issue.
+
+**Consensus**: Postponed (no additional review was provided)
+
+---
+
+### New operation: AmplitudeTransduction
+
+**Proposal**: https://github.com/microsoft/QuantumLibraries/issues/515
+
+**Reviews**:
+@msoeken, *approve*
+> Please add a bullet point including your alias, your review result (*approve*, *reject*, *comment*), and a comment (optional when result is *approve*).  Alternatively, add a line to the PR discussion incl. a reference to this issue.
+
+**Consensus**: Approved (incl. implicit approval from proposal author)