Fix build on Windows

[egorzhdan]

log & exp functions are declared in ucrt.corecrt.math module on Windows.

This change makes the package buildable with SwiftPM on Windows.

Checklist

• I've added at least one test that validates that my change is working, if appropriate
• I've followed the code style of the rest of the project
• I've read the Contribution Guidelines
• I've updated the documentation if necessary

[natecook1000]

Thanks for fixing this, @egorzhdan!