/* Cast to union is a GNU C extension. */ #include "dfp-dbg.h" union u { _Decimal128 d128; double d; }; union n { double d; _Decimal64 d64; }; int main () { static union u u1 = { 0.0dl }; static union u u2 = { 4.2dl }; static union u u4 = { 0.0 }; static union n n1 = { 2.2dd }; static union n n2 = { 3.25 }; _Decimal128 d128; _Decimal64 d64; double d; if (u1.d128 != 0.0dl) FAILURE if (u2.d128 != 4.2dl) FAILURE /* cast decimal floating point to union type. */ d128 = 1.23dl; d64 = 4.56dd; d = 3.25; u4 = (union u) d128; if (u4.d128 != 1.23dl) FAILURE u4 = (union u) d; if (u4.d != 3.25) FAILURE n1 = (union n) d64; if (n1.d64 != 4.56dd) FAILURE n1 = (union n)d; if (n1.d != 3.25) FAILURE FINISH }