cc [ flags ] -I/usr/local/include file(s) -L/usr/local/lib -lmcw [ ... ] #include <mathcw.h> extern int is_dec_bid (void);
Some systems may use an alternative encoding, the IBM Densely-Packed Decimal (DPD) format.
This function is provided because a few low-level primitives for decimal arithmetic need to distinguish between the two encodings, even though both formats have the same storage size, precision, and range.