From b940c6da7e2d74aa89f456bdfd0cd5dfc4d112c7 Mon Sep 17 00:00:00 2001
From: Svyatoslav Scherbina <svyatoslav.scherbina@jetbrains.com>
Date: Wed, 22 Jul 2020 19:24:37 +0300
Subject: [PATCH] torch sample: workaround some of double-dispose bugs

---
 samples/torch/src/torchMain/kotlin/Tensors.kt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/samples/torch/src/torchMain/kotlin/Tensors.kt b/samples/torch/src/torchMain/kotlin/Tensors.kt
index c739f95ef5e..c7097ef7e88 100644
--- a/samples/torch/src/torchMain/kotlin/Tensors.kt
+++ b/samples/torch/src/torchMain/kotlin/Tensors.kt
@@ -34,7 +34,11 @@ abstract class FloatTensor(val raw: CPointer<THFloatTensor>) : Disposable {
     fun sum() = THFloatTensor_sumall(raw)
     fun flatten() = (0 until elements.size).map { data[it] }.toTypedArray()
 
+    private var disposed = false
     override fun dispose() {
+        if (disposed) return
+        disposed = true
+
         THFloatTensor_free(raw)
     }