fixed dependencies

vendor/gonum.org/v1/gonum/stat/distmv/interfaces.go

@@ -0,0 +1,33 @@
+// Copyright ©2016 The Gonum 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 distmv
+
+// Quantiler returns the multi-dimensional inverse cumulative distribution function.
+// len(x) must equal len(p), and if x is non-nil, len(x) must also equal len(p).
+// If x is nil, a new slice will be allocated and returned, otherwise the quantile
+// will be stored in-place into x. All of the values of p must be between 0 and 1,
+// or Quantile will panic.
+type Quantiler interface {
+	Quantile(x, p []float64) []float64
+}
+
+// LogProber computes the log of the probability of the point x.
+type LogProber interface {
+	LogProb(x []float64) float64
+}
+
+// Rander generates a random number according to the distributon.
+// If the input is non-nil, len(x) must equal len(p) and the dimension of the distribution,
+// otherwise Quantile will panic.
+// If the input is nil, a new slice will be allocated and returned.
+type Rander interface {
+	Rand(x []float64) []float64
+}
+
+// RandLogProber is both a Rander and a LogProber.
+type RandLogProber interface {
+	Rander
+	LogProber
+}