modfl-ieee: Work around test failures on IRIX, OSF/1, mingw.

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

diff --git a/lib/math.in.h b/lib/math.in.h
index 5fb014d..721ddf5 100644 (file)
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -866,11 +866,20 @@ _GL_WARN_ON_USE (log10l, "log10l is unportable - "
 
 
 #if @GNULIB_MODFF@
-# if !@HAVE_MODFF@
-#  undef modff
+# if @REPLACE_MODFF@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef modff
+#   define modff rpl_modff
+#  endif
+_GL_FUNCDECL_RPL (modff, float, (float x, float *iptr) _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (modff, float, (float x, float *iptr));
+# else
+#  if !@HAVE_MODFF@
+#   undef modff
 _GL_FUNCDECL_SYS (modff, float, (float x, float *iptr) _GL_ARG_NONNULL ((2)));
-# endif
+#  endif
 _GL_CXXALIAS_SYS (modff, float, (float x, float *iptr));
+# endif
 _GL_CXXALIASWARN (modff);
 #elif defined GNULIB_POSIXCHECK
 # undef modff
@@ -901,12 +910,22 @@ _GL_WARN_ON_USE (modf, "modf has portability problems - "
 #endif
 
 #if @GNULIB_MODFL@
-# if !@HAVE_MODFL@
-#  undef modfl
+# if @REPLACE_MODFL@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef modfl
+#   define modfl rpl_modfl
+#  endif
+_GL_FUNCDECL_RPL (modfl, long double, (long double x, long double *iptr)
+                                      _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (modfl, long double, (long double x, long double *iptr));
+# else
+#  if !@HAVE_MODFL@
+#   undef modfl
 _GL_FUNCDECL_SYS (modfl, long double, (long double x, long double *iptr)
                                       _GL_ARG_NONNULL ((2)));
-# endif
+#  endif
 _GL_CXXALIAS_SYS (modfl, long double, (long double x, long double *iptr));
+# endif
 _GL_CXXALIASWARN (modfl);
 #elif defined GNULIB_POSIXCHECK
 # undef modfl