Add summary and explanation of P3008

content/atomic-floating-min-max.md

@@ -0,0 +1,35 @@
+---
+execute: true
+---
+
+## What It Does
+
+The `fetch_max`, `fetch_min`, `fetch_fmaximum`, `fetch_fminimum`, `fetch_fmaximum_num`, and `fetch_fminimum_num`
+member functions for `std::atomic` and `std::atomic_ref` make it possible to atomically
+take the minimum or maximum of two floating-point numbers.
+`std::fmaximum`, `std::fmaximum_num`, `std::fminimum`, and `std::fminimum_num`
+are also added to `<cmath>`, providing non-atomic counterparts.
+
+## Why It Matters
+
+By utilizing hardware support,
+floating-point minimum and maximum can have much better performance than existing code
+which uses `compare_exchange_weak` in a loop,
+especially with high contention.
+The new `<cmath>` functions imported from C23 are also generally useful,
+and implement operations from the ISO/IEC 60559 standard.
+
+## Example
+
+```cpp
+#include <atomic>
+#include <print>
+
+std::atomic<double> x = 0.5;
+
+int main() {
+    std::println("{}", x.fetch_max(0)); // prints 0.5, no update
+    std::println("{}", x.fetch_max(1)); // prints 0.5, x = 1
+    std::println("{}", x.load());       // prints 1
+}
+```

features_cpp26.yaml

@@ -1487,6 +1487,8 @@ features:
 
   - desc: "Atomic floating-point min/max"
     paper: P3008
+    summary: "Adds atomic minimum/maximum operations between floating-point types, as well as non-atomic `<cmath>` functions."
+    content: atomic-float-min-max.md
     lib: true
     ftm:
       - name: __cpp_lib_atomic_min_max