math: Fix some C++ test errors on Cygwin.

[gnulib.git] / lib / math.in.h

diff --git a/lib/math.in.h b/lib/math.in.h
index 5aad1a8..f0d5021 100644 (file)
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -186,7 +186,10 @@ _GL_WARN_ON_USE (atanl, "atanl is unportable - "
 #  endif
 _GL_FUNCDECL_RPL (ceilf, float, (float x));
 _GL_CXXALIAS_RPL (ceilf, float, (float x));
-#else
+# else
+#  if !@HAVE_DECL_CEILF@
+_GL_FUNCDECL_SYS (ceilf, float, (float x));
+#  endif
 _GL_CXXALIAS_SYS (ceilf, float, (float x));
 # endif
 _GL_CXXALIASWARN (ceilf);
@@ -206,6 +209,9 @@ _GL_WARN_ON_USE (ceilf, "ceilf is unportable - "
 _GL_FUNCDECL_RPL (ceill, long double, (long double x));
 _GL_CXXALIAS_RPL (ceill, long double, (long double x));
 # else
+#  if !@HAVE_DECL_CEILL@
+_GL_FUNCDECL_SYS (ceill, long double, (long double x));
+#  endif
 _GL_CXXALIAS_SYS (ceill, long double, (long double x));
 # endif
 _GL_CXXALIASWARN (ceill);
@@ -265,6 +271,9 @@ _GL_WARN_ON_USE (expl, "expl is unportable - "
 _GL_FUNCDECL_RPL (floorf, float, (float x));
 _GL_CXXALIAS_RPL (floorf, float, (float x));
 #else
+#  if !@HAVE_DECL_FLOORF@
+_GL_FUNCDECL_SYS (floorf, float, (float x));
+#  endif
 _GL_CXXALIAS_SYS (floorf, float, (float x));
 # endif
 _GL_CXXALIASWARN (floorf);
@@ -284,6 +293,9 @@ _GL_WARN_ON_USE (floorf, "floorf is unportable - "
 _GL_FUNCDECL_RPL (floorl, long double, (long double x));
 _GL_CXXALIAS_RPL (floorl, long double, (long double x));
 # else
+#  if !@HAVE_DECL_FLOORL@
+_GL_FUNCDECL_SYS (floorl, long double, (long double x));
+#  endif
 _GL_CXXALIAS_SYS (floorl, long double, (long double x));
 # endif
 _GL_CXXALIASWARN (floorl);
@@ -391,6 +403,9 @@ _GL_WARN_ON_USE (logl, "logl is unportable - "
 _GL_FUNCDECL_RPL (roundf, float, (float x));
 _GL_CXXALIAS_RPL (roundf, float, (float x));
 # else
+#  if !@HAVE_DECL_ROUNDF@
+_GL_FUNCDECL_SYS (roundf, float, (float x));
+#  endif
 _GL_CXXALIAS_SYS (roundf, float, (float x));
 # endif
 _GL_CXXALIASWARN (roundf);
@@ -411,6 +426,9 @@ _GL_WARN_ON_USE (roundf, "roundf is unportable - "
 _GL_FUNCDECL_RPL (round, double, (double x));
 _GL_CXXALIAS_RPL (round, double, (double x));
 # else
+#  if !@HAVE_DECL_ROUND@
+_GL_FUNCDECL_SYS (round, double, (double x));
+#  endif
 _GL_CXXALIAS_SYS (round, double, (double x));
 # endif
 _GL_CXXALIASWARN (round);
@@ -431,6 +449,9 @@ _GL_WARN_ON_USE (round, "round is unportable - "
 _GL_FUNCDECL_RPL (roundl, long double, (long double x));
 _GL_CXXALIAS_RPL (roundl, long double, (long double x));
 # else
+#  if !@HAVE_DECL_ROUNDL@
+_GL_FUNCDECL_SYS (roundl, long double, (long double x));
+#  endif
 _GL_CXXALIAS_SYS (roundl, long double, (long double x));
 # endif
 _GL_CXXALIASWARN (roundl);
@@ -544,6 +565,9 @@ _GL_WARN_ON_USE (trunc, "trunc is unportable - "
 _GL_FUNCDECL_RPL (truncl, long double, (long double x));
 _GL_CXXALIAS_RPL (truncl, long double, (long double x));
 # else
+#  if !@HAVE_DECL_TRUNCL@
+_GL_FUNCDECL_SYS (truncl, long double, (long double x));
+#  endif
 _GL_CXXALIAS_SYS (truncl, long double, (long double x));
 # endif
 _GL_CXXALIASWARN (truncl);