when we #define PI 3.141592653589793238462643383279L and long double a=PI; PI is substituted in double precision.
-- Summary: long double constant is read as double in i386 Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: chat95 at mac dot com GCC build triplet: i386-portbld-freebsd6.2 GCC host triplet: i386-portbld-freebsd6.2 GCC target triplet: i386-portbld-freebsd6.2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31006