diff options
author | Jon Bratseth <bratseth@verizonmedia.com> | 2020-01-03 13:02:20 +0100 |
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committer | Jon Bratseth <bratseth@verizonmedia.com> | 2020-01-03 13:02:20 +0100 |
commit | e36af0b3a78fb8fc76c50eeb8392ef09e7c46ebb (patch) | |
tree | 009852649c9c4fc9a3c7c3c28a19873b4fa4977b /vespajlib/src/main/java/com/yahoo/tensor/TensorType.java | |
parent | 798f2fd1d9c85febd9bb56ccb4866c37826c3b43 (diff) |
Require equal sizes in join
Diffstat (limited to 'vespajlib/src/main/java/com/yahoo/tensor/TensorType.java')
-rw-r--r-- | vespajlib/src/main/java/com/yahoo/tensor/TensorType.java | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/tensor/TensorType.java b/vespajlib/src/main/java/com/yahoo/tensor/TensorType.java index 58cb151875e..a499807105a 100644 --- a/vespajlib/src/main/java/com/yahoo/tensor/TensorType.java +++ b/vespajlib/src/main/java/com/yahoo/tensor/TensorType.java @@ -319,7 +319,7 @@ public class TensorType { * [N] + [] = [] * [] + {} = {} */ - Dimension combineWith(Optional<Dimension> other) { + Dimension combineWith(Optional<Dimension> other, boolean allowDifferentSizes) { if ( ! other.isPresent()) return this; if (this instanceof MappedDimension) return this; if (other.get() instanceof MappedDimension) return other.get(); @@ -329,7 +329,11 @@ public class TensorType { // both are indexed bound IndexedBoundDimension thisIb = (IndexedBoundDimension)this; IndexedBoundDimension otherIb = (IndexedBoundDimension)other.get(); - return thisIb.size().get() < otherIb.size().get() ? thisIb : otherIb; + if (allowDifferentSizes) + return thisIb.size().get() < otherIb.size().get() ? thisIb : otherIb; + if ( ! thisIb.size().equals(otherIb.size())) + throw new IllegalArgumentException("Unequal dimension sizes in " + thisIb + " and " + otherIb); + return thisIb; } @Override @@ -483,16 +487,20 @@ public class TensorType { /** * Creates a builder containing a combination of the dimensions of the given types * - * If the same dimension is indexed with different size restrictions the largest size will be used. + * If the same dimension is indexed with different size restrictions the smallest size will be used. * If it is size restricted in one argument but not the other it will not be size restricted. * If it is indexed in one and mapped in the other it will become mapped. * * The value type will be the largest of the value types of the input types */ public Builder(TensorType ... types) { + this(true, types); + } + + public Builder(boolean allowDifferentSizes, TensorType ... types) { this.valueType = TensorType.combinedValueType(types); for (TensorType type : types) - addDimensionsOf(type); + addDimensionsOf(type, allowDifferentSizes); } /** Creates a builder from the given dimensions, having double as the value type */ @@ -510,17 +518,17 @@ public class TensorType { private static final boolean supportsMixedTypes = false; - private void addDimensionsOf(TensorType type) { + private void addDimensionsOf(TensorType type, boolean allowDifferentSizes) { if ( ! supportsMixedTypes) { // TODO: Support it - addDimensionsOfAndDisallowMixedDimensions(type); + addDimensionsOfAndDisallowMixedDimensions(type, allowDifferentSizes); } else { for (Dimension dimension : type.dimensions) - set(dimension.combineWith(Optional.ofNullable(dimensions.get(dimension.name())))); + set(dimension.combineWith(Optional.ofNullable(dimensions.get(dimension.name())), allowDifferentSizes)); } } - private void addDimensionsOfAndDisallowMixedDimensions(TensorType type) { + private void addDimensionsOfAndDisallowMixedDimensions(TensorType type, boolean allowDifferentSizes) { boolean containsMapped = dimensions.values().stream().anyMatch(d -> ! d.isIndexed()); containsMapped = containsMapped || type.dimensions().stream().anyMatch(d -> ! d.isIndexed()); @@ -528,7 +536,7 @@ public class TensorType { if (containsMapped) dimension = new MappedDimension(dimension.name()); Dimension existing = dimensions.get(dimension.name()); - set(dimension.combineWith(Optional.ofNullable(existing))); + set(dimension.combineWith(Optional.ofNullable(existing), allowDifferentSizes)); } } |