New module 'sinf'.

* lib/math.in.h (sinf): New declaration.
* lib/sinf.c: New file.
* m4/sinf.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether sinf is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_SINF, HAVE_SINF.
* modules/math (Makefile.am): Substitute GNULIB_SINF, HAVE_SINF.
* modules/sinf: New file.
* tests/test-math-c++.cc: Check the declaration of sinf.
* doc/posix-functions/sinf.texi: Mention the new module.

diff --git a/ChangeLog b/ChangeLog
index 88aebc3..6360924 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,16 @@
 2011-10-08  Bruno Haible  <bruno@clisp.org>
 
+       New module 'sinf'.
+       * lib/math.in.h (sinf): New declaration.
+       * lib/sinf.c: New file.
+       * m4/sinf.m4: New file.
+       * m4/math_h.m4 (gl_MATH_H): Test whether sinf is declared.
+       (gl_MATH_H_DEFAULTS): Initialize GNULIB_SINF, HAVE_SINF.
+       * modules/math (Makefile.am): Substitute GNULIB_SINF, HAVE_SINF.
+       * modules/sinf: New file.
+       * tests/test-math-c++.cc: Check the declaration of sinf.
+       * doc/posix-functions/sinf.texi: Mention the new module.
+
        sin: Use a .m4 file.
        * m4/sin.m4: New file.
        * modules/sin (Files): Add it.

diff --git a/doc/posix-functions/sinf.texi b/doc/posix-functions/sinf.texi
index 6b9f6a1..db4db15 100644 (file)
--- a/doc/posix-functions/sinf.texi
+++ b/doc/posix-functions/sinf.texi
@@ -4,14 +4,10 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/sinf.html}
 
-Gnulib module: ---
+Gnulib module: sinf
 
 Portability problems fixed by Gnulib:
 @itemize
-@end itemize
-
-Portability problems not fixed by Gnulib:
-@itemize
 @item
 This function is missing on some platforms:
 Minix 3.1.8, AIX 5.1, Solaris 9.
@@ -19,3 +15,7 @@ Minix 3.1.8, AIX 5.1, Solaris 9.
 This function is only defined as a macro with arguments on some platforms:
 MSVC 9.
 @end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
+@end itemize

diff --git a/lib/math.in.h b/lib/math.in.h
index c2ea023..b27b651 100644 (file)
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -647,6 +647,21 @@ _GL_WARN_ON_USE (roundl, "roundl is unportable - "
 #endif
 
 
+#if @GNULIB_SINF@
+# if !@HAVE_SINF@
+#  undef sinf
+_GL_FUNCDECL_SYS (sinf, float, (float x));
+# endif
+_GL_CXXALIAS_SYS (sinf, float, (float x));
+_GL_CXXALIASWARN (sinf);
+#elif defined GNULIB_POSIXCHECK
+# undef sinf
+# if HAVE_RAW_DECL_SINF
+_GL_WARN_ON_USE (sinf, "sinf is unportable - "
+                 "use gnulib module sinf for portability");
+# endif
+#endif
+
 #if @GNULIB_SINL@
 # if !@HAVE_SINL@ || !@HAVE_DECL_SINL@
 _GL_FUNCDECL_SYS (sinl, long double, (long double x));

diff --git a/lib/sinf.c b/lib/sinf.c
new file mode 100644 (file)
index 0000000..e6a1d55
--- /dev/null
+++ b/lib/sinf.c
@@ -0,0 +1,26 @@
+/* Sine function.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <math.h>
+
+float
+sinf (float x)
+{
+  return (float) sin ((double) x);
+}

diff --git a/m4/math_h.m4 b/m4/math_h.m4
index 4c47bd7..dc8695a 100644 (file)
--- a/m4/math_h.m4
+++ b/m4/math_h.m4
@@ -1,4 +1,4 @@
-# math_h.m4 serial 36
+# math_h.m4 serial 37
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -42,7 +42,7 @@ AC_DEFUN([gl_MATH_H],
     [acosl asinl atanl ceilf ceill cosl expf expl fabsf floorf floorl fmodf
      frexpf frexpl
      ldexpf ldexpl logb logf logl log10f modff powf
-     round roundf roundl sinl sqrtf sqrtl
+     round roundf roundl sinf sinl sqrtf sqrtl
      tanl trunc truncf truncl])
 ])
 
@@ -92,6 +92,7 @@ AC_DEFUN([gl_MATH_H_DEFAULTS],
   GNULIB_ROUNDF=0;   AC_SUBST([GNULIB_ROUNDF])
   GNULIB_ROUNDL=0;   AC_SUBST([GNULIB_ROUNDL])
   GNULIB_SIGNBIT=0;  AC_SUBST([GNULIB_SIGNBIT])
+  GNULIB_SINF=0;     AC_SUBST([GNULIB_SINF])
   GNULIB_SINL=0;     AC_SUBST([GNULIB_SINL])
   GNULIB_SQRTF=0;    AC_SUBST([GNULIB_SQRTF])
   GNULIB_SQRTL=0;    AC_SUBST([GNULIB_SQRTL])
@@ -118,6 +119,7 @@ AC_DEFUN([gl_MATH_H_DEFAULTS],
   HAVE_LOG10F=1;               AC_SUBST([HAVE_LOG10F])
   HAVE_MODFF=1;                AC_SUBST([HAVE_MODFF])
   HAVE_POWF=1;                 AC_SUBST([HAVE_POWF])
+  HAVE_SINF=1;                 AC_SUBST([HAVE_SINF])
   HAVE_SINL=1;                 AC_SUBST([HAVE_SINL])
   HAVE_SQRTF=1;                AC_SUBST([HAVE_SQRTF])
   HAVE_SQRTL=1;                AC_SUBST([HAVE_SQRTL])

diff --git a/m4/sinf.m4 b/m4/sinf.m4
new file mode 100644 (file)
index 0000000..dbe84ea
--- /dev/null
+++ b/m4/sinf.m4
@@ -0,0 +1,25 @@
+# sinf.m4 serial 1
+dnl Copyright (C) 2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_SINF],
+[
+  AC_REQUIRE([gl_MATH_H_DEFAULTS])
+  AC_REQUIRE([gl_FUNC_SIN])
+
+  dnl Test whether sinf() exists. Assume that sinf(), if it exists, is
+  dnl defined in the same library as sin().
+  save_LIBS="$LIBS"
+  LIBS="$LIBS $SIN_LIBM"
+  AC_CHECK_FUNCS([sinf])
+  LIBS="$save_LIBS"
+  if test $ac_cv_func_sinf = yes; then
+    SINF_LIBM="$SIN_LIBM"
+  else
+    HAVE_SINF=0
+    SINF_LIBM="$SIN_LIBM"
+  fi
+  AC_SUBST([SINF_LIBM])
+])

diff --git a/modules/math b/modules/math
index 2302794..1dc0239 100644 (file)
--- a/modules/math
+++ b/modules/math
@@ -63,6 +63,7 @@ math.h: math.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(
              -e 's/@''GNULIB_ROUNDF''@/$(GNULIB_ROUNDF)/g' \
              -e 's/@''GNULIB_ROUNDL''@/$(GNULIB_ROUNDL)/g' \
              -e 's/@''GNULIB_SIGNBIT''@/$(GNULIB_SIGNBIT)/g' \
+             -e 's/@''GNULIB_SINF''@/$(GNULIB_SINF)/g' \
              -e 's/@''GNULIB_SINL''@/$(GNULIB_SINL)/g' \
              -e 's/@''GNULIB_SQRTF''@/$(GNULIB_SQRTF)/g' \
              -e 's/@''GNULIB_SQRTL''@/$(GNULIB_SQRTL)/g' \
@@ -89,6 +90,7 @@ math.h: math.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(
              -e 's|@''HAVE_LOG10F''@|$(HAVE_LOG10F)|g' \
              -e 's|@''HAVE_MODFF''@|$(HAVE_MODFF)|g' \
              -e 's|@''HAVE_POWF''@|$(HAVE_POWF)|g' \
+             -e 's|@''HAVE_SINF''@|$(HAVE_SINF)|g' \
              -e 's|@''HAVE_SINL''@|$(HAVE_SINL)|g' \
              -e 's|@''HAVE_SQRTF''@|$(HAVE_SQRTF)|g' \
              -e 's|@''HAVE_SQRTL''@|$(HAVE_SQRTL)|g' \

diff --git a/modules/sinf b/modules/sinf
new file mode 100644 (file)
index 0000000..f349687
--- /dev/null
+++ b/modules/sinf
@@ -0,0 +1,31 @@
+Description:
+sinf() function: sine function.
+
+Files:
+lib/sinf.c
+m4/sinf.m4
+
+Depends-on:
+math
+sin             [test $HAVE_SINF = 0]
+
+configure.ac:
+gl_FUNC_SINF
+if test $HAVE_SINF = 0; then
+  AC_LIBOBJ([sinf])
+fi
+gl_MATH_MODULE_INDICATOR([sinf])
+
+Makefile.am:
+
+Include:
+<math.h>
+
+Link:
+$(SINF_LIBM)
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible

diff --git a/tests/test-math-c++.cc b/tests/test-math-c++.cc
index e93f4d9..64eb465 100644 (file)
--- a/tests/test-math-c++.cc
+++ b/tests/test-math-c++.cc
@@ -82,6 +82,9 @@ SIGNATURE_CHECK (GNULIB_NAMESPACE::powf, float, (float, float));
 //SIGNATURE_CHECK (GNULIB_NAMESPACE::pow, double, (double, double));
 //SIGNATURE_CHECK (GNULIB_NAMESPACE::remainder, double, (double, double));
 //SIGNATURE_CHECK (GNULIB_NAMESPACE::rint, double, (double));
+#if GNULIB_TEST_SINF
+SIGNATURE_CHECK (GNULIB_NAMESPACE::sinf, float, (float));
+#endif
 //SIGNATURE_CHECK (GNULIB_NAMESPACE::sin, double, (double));
 //SIGNATURE_CHECK (GNULIB_NAMESPACE::sinh, double, (double));
 #if GNULIB_TEST_SQRTF