| // Copyright 2015 The Vanadium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package arith |
| |
| import ( |
| "v.io/x/ref/lib/vdl/testdata/arith/exp" |
| ) |
| |
| // Trigonometry is an interface that specifies a couple trigonometric functions. |
| type Trigonometry interface { |
| Sine(angle float64) (float64 | error) |
| Cosine(angle float64) (float64 | error) |
| } |
| |
| // AdvancedMath is an interface for more advanced math than arith. It embeds |
| // interfaces defined both in the same file and in an external package; and in |
| // turn it is embedded by arith.Calculator (which is in the same package but |
| // different file) to verify that embedding works in all these scenarios. |
| type AdvancedMath interface { |
| Trigonometry |
| exp.Exp |
| } |