Return the result of applying the unary - operator to the specified value as described by IEEE-754, essentially reversing the sign bit. Note that floating-point numbers have signed zero, so this operation is not the same as 0 - value.
value
0 - value
Declared in <bdldfp_decimal.h>
<bdldfp_decimal.h>
bdldfp::Decimal32 operator-(Decimal32 value);