unistr/u8-chr, unistr/u8-strchr: Optimize and add comments.

[pspp] / lib / math.in.h

diff --git a/lib/math.in.h b/lib/math.in.h
index 001d59a1dfd42ede445908d561331a8da0cf1cdf..fbc29184fce3c902602ca5e64c554fbdc1e4b5ab 100644 (file)
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -225,19 +225,10 @@ _GL_WARN_ON_USE (ceill, "ceill is unportable - "
 
 
 #if @GNULIB_COSL@
-# if !@HAVE_COSL@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef cosl
-#   define cosl rpl_cosl
-#  endif
-_GL_FUNCDECL_RPL (cosl, long double, (long double x));
-_GL_CXXALIAS_RPL (cosl, long double, (long double x));
-# else
-#  if !@HAVE_DECL_COSL@
+# if !@HAVE_COSL@ || !@HAVE_DECL_COSL@
 _GL_FUNCDECL_SYS (cosl, long double, (long double x));
-#  endif
-_GL_CXXALIAS_SYS (cosl, long double, (long double x));
 # endif
+_GL_CXXALIAS_SYS (cosl, long double, (long double x));
 _GL_CXXALIASWARN (cosl);
 #elif defined GNULIB_POSIXCHECK
 # undef cosl
@@ -331,7 +322,7 @@ _GL_FUNCDECL_SYS (frexpl, long double,
 _GL_CXXALIAS_SYS (frexpl, long double, (long double x, int *expptr));
 # endif
 #endif
-#if @GNULIB_FREXPL@
+#if @GNULIB_FREXPL@ && !(@REPLACE_FREXPL@ && !@HAVE_DECL_FREXPL@)
 _GL_CXXALIASWARN (frexpl);
 #endif
 #if !@GNULIB_FREXPL@ && defined GNULIB_POSIXCHECK
@@ -371,19 +362,10 @@ _GL_WARN_ON_USE (ldexpl, "ldexpl is unportable - "
 
 
 #if @GNULIB_LOGL@
-# if !@HAVE_LOGL@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef logl
-#   define logl rpl_logl
-#  endif
-_GL_FUNCDECL_RPL (logl, long double, (long double x));
-_GL_CXXALIAS_RPL (logl, long double, (long double x));
-# else
-#  if !@HAVE_DECL_LOGL@
+# if !@HAVE_LOGL@ || !@HAVE_DECL_LOGL@
 _GL_FUNCDECL_SYS (logl, long double, (long double x));
-#  endif
-_GL_CXXALIAS_SYS (logl, long double, (long double x));
 # endif
+_GL_CXXALIAS_SYS (logl, long double, (long double x));
 _GL_CXXALIASWARN (logl);
 #elif defined GNULIB_POSIXCHECK
 # undef logl
@@ -465,19 +447,10 @@ _GL_WARN_ON_USE (roundl, "roundl is unportable - "
 
 
 #if @GNULIB_SINL@
-# if !@HAVE_SINL@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef sinl
-#   define sinl rpl_sinl
-#  endif
-_GL_FUNCDECL_RPL (sinl, long double, (long double x));
-_GL_CXXALIAS_RPL (sinl, long double, (long double x));
-# else
-#  if !@HAVE_DECL_SINL@
+# if !@HAVE_SINL@ || !@HAVE_DECL_SINL@
 _GL_FUNCDECL_SYS (sinl, long double, (long double x));
-#  endif
-_GL_CXXALIAS_SYS (sinl, long double, (long double x));
 # endif
+_GL_CXXALIAS_SYS (sinl, long double, (long double x));
 _GL_CXXALIASWARN (sinl);
 #elif defined GNULIB_POSIXCHECK
 # undef sinl