add tests/ehrhart.README explaining origin of some of the ehrhart inputs

[barvinok.git] / initcdd.h

extern int bv_cdd_initialized;

#define INIT_CDD                                                        \
    do {                                                                \
        if (!bv_cdd_initialized) {                                      \
            dd_set_global_constants();                                  \
            bv_cdd_initialized = 1;                                     \
        }                                                               \
    } while (0)