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# 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])
])
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