fixed dependencies

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

@@ -0,0 +1,32 @@
+// Copyright ©2015 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 distuv
+
+// LogProber wraps the LogProb method.
+type LogProber interface {
+	// LogProb returns the natural logarithm of the
+	// value of the probability density or probability
+	// mass function at x.
+	LogProb(x float64) float64
+}
+
+// Rander wraps the Rand method.
+type Rander interface {
+	// Rand returns a random sample drawn from the distribution.
+	Rand() float64
+}
+
+// RandLogProber is the interface that groups the Rander and LogProber methods.
+type RandLogProber interface {
+	Rander
+	LogProber
+}
+
+// Quantiler wraps the Quantile method.
+type Quantiler interface {
+	// Quantile returns the minimum value of x from amongst
+	// all those values whose CDF value exceeds or equals p.
+	Quantile(p float64) float64
+}