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fix: correct convertation arg to tensor array #8506

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fix: correct convertation arg to tensor array #8506

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14 changes: 10 additions & 4 deletions tfjs-core/src/tensor_util_env.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -133,12 +133,18 @@ export function convertToTensor<T extends Tensor>(
export function convertToTensorArray<T extends Tensor>(
arg: Array<T|TensorLike>, argName: string, functionName: string,
parseAsDtype: DataType|'numeric'|'string_or_numeric' = 'numeric'): T[] {
let tensors = arg as T[];

if (!Array.isArray(arg)) {
throw new Error(
`Argument ${argName} passed to ${functionName} must be a ` +
'`Tensor[]` or `TensorLike[]`');
if ((arg as T) instanceof getGlobalTensorClass()) {
tensors = [arg];
} else {
throw new Error(
`Argument ${argName} passed to ${functionName} must be a ` +
'`Tensor[]` or `TensorLike[]`');
}
}
const tensors = arg as T[];

return tensors.map(
(t, i) =>
convertToTensor(t, `${argName}[${i}]`, functionName, parseAsDtype));
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