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cppdraft/cfenv/thread.md

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+[cfenv.thread]
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+# 29 Numerics library [[numerics]](./#numerics)
+
+## 29.3 The floating-point environment [[cfenv]](cfenv#thread)
+
+### 29.3.2 Threads [cfenv.thread]
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L159)
+
+The floating-point environment has [thread storage duration](basic.stc.thread#def:storage_duration,thread "6.8.6.3 Thread storage duration [basic.stc.thread]")[.](#1.sentence-1)
+
+The initial state for a thread's floating-point
+environment is the state of the floating-point environment of the thread that constructs
+the corresponding thread object ([[thread.thread.class]](thread.thread.class "32.4.3 Class thread"))
+or jthread object ([[thread.jthread.class]](thread.jthread.class "32.4.4 Class jthread"))
+at the time it
+constructed the object[.](#1.sentence-2)
+
+[*Note [1](#note-1)*:
+
+That is, the child thread gets the floating-point
+state of the parent thread at the time of the child's creation[.](#1.sentence-3)
+
+— *end note*]
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L172)
+
+A separate floating-point environment is maintained for each thread[.](#2.sentence-1)
+
+Each function
+accesses the environment corresponding to its calling thread[.](#2.sentence-2)