| // RUN: %verify "%s" |
|
|
| /******************************************************************************* |
| * Copyright by the contributors to the Dafny Project |
| * SPDX-License-Identifier: MIT |
| *******************************************************************************/ |
|
|
| module {:options "-functionSyntax:4"} Math { |
| function Min(a: int, b: int): int |
| { |
| if a < b |
| then a |
| else |
| b |
| } |
|
|
| function Max(a: int, b: int): int |
| { |
| if a < b |
| then b |
| else |
| a |
| } |
|
|
| function Abs(a: int): (a': int) |
| ensures a' >= 0 |
| { |
| if a >= 0 then a else -a |
| } |
| } |
| |