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-rw-r--r--vespajlib/src/main/java/com/yahoo/tensor/Tensor.java2
1 files changed, 2 insertions, 0 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/tensor/Tensor.java b/vespajlib/src/main/java/com/yahoo/tensor/Tensor.java
index 3378520dc91..7f9b2a67376 100644
--- a/vespajlib/src/main/java/com/yahoo/tensor/Tensor.java
+++ b/vespajlib/src/main/java/com/yahoo/tensor/Tensor.java
@@ -365,6 +365,8 @@ public interface Tensor {
}
static boolean approxEquals(double x, double y, double tolerance) {
+ if (x == y) return true;
+ if (Double.isNaN(x) && Double.isNaN(y)) return true;
return Math.abs(x-y) < tolerance;
}