[Issue 18630] New: std.math must CTFE

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18630

          Issue ID: 18630
           Summary: std.math must CTFE
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: turkeyman at gmail.com

Every single function in std.math must CTFE.

At very least, let's start with pow, log, exp, sin/cos and friends...

Curves exist. Populating tables with curve data is a thing that I *constantly*
want to do.

I usually workaround with a static constructor that pre-computes tables at
startup, but that only solves some subset of cases. When I want those tables to
interact with other CTFE code, I'm blocked.

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