Compares the values of the two operands numerically. It's pretty much like compare(), but all NaNs signal, with signaling NaNs taking precedence over quiet NaNs. >>> c = ExtendedContext >>> c.compare_signal(Decimal('2.1'), Decimal('3')) Decimal('-1')
(self, a, b)
| 4199 | return a.compare(b, context=self) |
| 4200 | |
| 4201 | def compare_signal(self, a, b): |
| 4202 | """Compares the values of the two operands numerically. |
| 4203 | |
| 4204 | It's pretty much like compare(), but all NaNs signal, with signaling |
| 4205 | NaNs taking precedence over quiet NaNs. |
| 4206 | |
| 4207 | >>> c = ExtendedContext |
| 4208 | >>> c.compare_signal(Decimal('2.1'), Decimal('3')) |
| 4209 | Decimal('-1') |
| 4210 | >>> c.compare_signal(Decimal('2.1'), Decimal('2.1')) |
| 4211 | Decimal('0') |
| 4212 | >>> c.flags[InvalidOperation] = 0 |
| 4213 | >>> print(c.flags[InvalidOperation]) |
| 4214 | 0 |
| 4215 | >>> c.compare_signal(Decimal('NaN'), Decimal('2.1')) |
| 4216 | Decimal('NaN') |
| 4217 | >>> print(c.flags[InvalidOperation]) |
| 4218 | 1 |
| 4219 | >>> c.flags[InvalidOperation] = 0 |
| 4220 | >>> print(c.flags[InvalidOperation]) |
| 4221 | 0 |
| 4222 | >>> c.compare_signal(Decimal('sNaN'), Decimal('2.1')) |
| 4223 | Decimal('NaN') |
| 4224 | >>> print(c.flags[InvalidOperation]) |
| 4225 | 1 |
| 4226 | >>> c.compare_signal(-1, 2) |
| 4227 | Decimal('-1') |
| 4228 | >>> c.compare_signal(Decimal(-1), 2) |
| 4229 | Decimal('-1') |
| 4230 | >>> c.compare_signal(-1, Decimal(2)) |
| 4231 | Decimal('-1') |
| 4232 | """ |
| 4233 | a = _convert_other(a, raiseit=True) |
| 4234 | return a.compare_signal(b, context=self) |
| 4235 | |
| 4236 | def compare_total(self, a, b): |
| 4237 | """Compares two operands using their abstract representation. |