AC_CHECK_LIB([m],[floorf],[AC_DEFINE([HAVE_FLOORF],[1],[libm includes floorf])])
AC_CHECK_LIB([m],[floor],[AC_DEFINE([HAVE_FLOOR],[1],[libm includes floor])])
AC_CHECK_LIB([m],[floorl],[AC_DEFINE([HAVE_FLOORL],[1],[libm includes floorl])])
+AC_CHECK_LIB([m],[fmodf],[AC_DEFINE([HAVE_FMODF],[1],[libm includes fmodf])])
+AC_CHECK_LIB([m],[fmod],[AC_DEFINE([HAVE_FMOD],[1],[libm includes fmod])])
+AC_CHECK_LIB([m],[fmodl],[AC_DEFINE([HAVE_FMODL],[1],[libm includes fmodl])])
AC_CHECK_LIB([m],[frexpf],[AC_DEFINE([HAVE_FREXPF],[1],[libm includes frexpf])])
AC_CHECK_LIB([m],[frexp],[AC_DEFINE([HAVE_FREXP],[1],[libm includes frexp])])
AC_CHECK_LIB([m],[frexpl],[AC_DEFINE([HAVE_FREXPL],[1],[libm includes frexpl])])