diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 961e57a77f9..043b8737392 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2000-06-08  Phil Edwards  <pme@sourceware.cygnus.com>
+
+	* testsuite/26_numerics/complex_inserters_extractors.cc:  Need cmath.
+
 2000-06-06  Steven King  <sxking@uswest.net>
 
 	* acconfig.h: Added defines for HAVE_BUILTIN math functs for float,
diff --git a/libstdc++-v3/testsuite/26_numerics/complex_inserters_extractors.cc b/libstdc++-v3/testsuite/26_numerics/complex_inserters_extractors.cc
index d827e1b5f86..a14ccbd8f1a 100644
--- a/libstdc++-v3/testsuite/26_numerics/complex_inserters_extractors.cc
+++ b/libstdc++-v3/testsuite/26_numerics/complex_inserters_extractors.cc
@@ -27,6 +27,7 @@
 #ifdef DEBUG_ASSERT
 #include <assert.h>
 #endif
+#include <cmath>
 
 template<typename R>
 inline bool flteq(R x, R y)