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cppdraft/tgmath/h/syn.md

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+[tgmath.h.syn]
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+# 17 Language support library [[support]](./#support)
+
+## 17.15 C headers [[support.c.headers]](support.c.headers#tgmath.h.syn)
+
+### 17.15.6 Header <tgmath.h> synopsis [tgmath.h.syn]
+
+[🔗](#header:%3ctgmath.h%3e)
+
+#include <cmath>#include <complex>
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6709)
+
+The header [<tgmath.h>](#header:%3ctgmath.h%3e "17.15.6 Header <tgmath.h> synopsis [tgmath.h.syn]") behaves as if it simply includes the headers[<cmath>](cmath.syn#header:%3ccmath%3e "29.7.1 Header <cmath> synopsis [cmath.syn]") and[<complex>](complex.syn#header:%3ccomplex%3e "29.4.2 Header <complex> synopsis [complex.syn]")[.](#1.sentence-1)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6715)
+
+[*Note [1](#note-1)*:
+
+The overloads provided in C by type-generic macros
+are already provided in [<complex>](complex.syn#header:%3ccomplex%3e "29.4.2 Header <complex> synopsis [complex.syn]") and [<cmath>](cmath.syn#header:%3ccmath%3e "29.7.1 Header <cmath> synopsis [cmath.syn]") by “sufficient” additional overloads[.](#2.sentence-1)
+
+— *end note*]
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6722)
+
+[*Note [2](#note-2)*:
+
+Names introduced by [<cmath>](cmath.syn#header:%3ccmath%3e "29.7.1 Header <cmath> synopsis [cmath.syn]") or [<complex>](complex.syn#header:%3ccomplex%3e "29.4.2 Header <complex> synopsis [complex.syn]") in namespace std are not placed into the global namespace scope by [<tgmath.h>](#header:%3ctgmath.h%3e "17.15.6 Header <tgmath.h> synopsis [tgmath.h.syn]")[.](#3.sentence-1)
+
+— *end note*]