---
title: "ClikaRT::spec::InputSpec"
sidebar_label: "InputSpec"
description: "The spec for ONE input: identified by name (preferred) or, when name is empty, by position in the model's input order, carrying either a full ShapeProfile or a set of per-dim overrides (never both)."
---

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<span class="api-kind api-kind--struct">struct</span>

**Header:** `ClikaRT/graph/input_specs.h`

The spec for ONE input: identified by [`name`](./InputSpec.md#name) (preferred) or, when [`name`](./InputSpec.md#name) is empty, by [`position`](./InputSpec.md#position) in the model's input order, carrying either a full [`ShapeProfile`](./ShapeProfile.md) or a set of per-dim overrides (never both).

[`InputSpec`](./InputSpec.md) CONSTRAINS: it is a compile/trace directive that pins an input's dynamic dims (only inputs can be pinned; output shapes are derived consequences). [`TensorSpec`](./TensorSpec.md) DESCRIBES: it reports a slot's observed name/dtype/dims. Two types, two jobs.

## Member functions

### InputSpec() {#InputSpec}

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**`InputSpec`**() `=default`

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Declared in `ClikaRT/graph/input_specs.h`, line 172

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### InputSpec(string\_view, ShapeProfile) {#InputSpec-2}

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**`InputSpec`**(`std::string_view` `input`, [`ShapeProfile`](./ShapeProfile.md) `shape_profile`)

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Spec input `input` with a full min/opt/max `shape_profile`.

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Declared in `ClikaRT/graph/input_specs.h`, line 175

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### InputSpec(string\_view, vector\<int64\_t\>) {#InputSpec-3}

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**`InputSpec`**(`std::string_view` `input`, `std::vector<std::int64_t>` `shape`)

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Spec input `input` with one fixed `shape` (min == opt == max).

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Declared in `ClikaRT/graph/input_specs.h`, line 178

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### InputSpec(string\_view, vector\<DimOverride\>) {#InputSpec-4}

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**`InputSpec`**(`std::string_view` `input`, `std::vector<`[`DimOverride`](./DimOverride.md)`>` `overrides`)

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Spec input `input` with per-dim `overrides` (static dims come from the model).

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Declared in `ClikaRT/graph/input_specs.h`, line 181

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### InputSpec(int32\_t, ShapeProfile) {#InputSpec-5}

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**`InputSpec`**(`std::int32_t` `input_position`, [`ShapeProfile`](./ShapeProfile.md) `shape_profile`)

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Spec the input at `input_position` with a full `shape_profile`.

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Declared in `ClikaRT/graph/input_specs.h`, line 185

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### InputSpec(int32\_t, vector\<int64\_t\>) {#InputSpec-6}

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**`InputSpec`**(`std::int32_t` `input_position`, `std::vector<std::int64_t>` `shape`)

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Spec the input at `input_position` with one fixed `shape`.

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Declared in `ClikaRT/graph/input_specs.h`, line 188

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### InputSpec(int32\_t, vector\<DimOverride\>) {#InputSpec-7}

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**`InputSpec`**(`std::int32_t` `input_position`, `std::vector<`[`DimOverride`](./DimOverride.md)`>` `overrides`)

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Spec the input at `input_position` with per-dim `overrides`.

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Declared in `ClikaRT/graph/input_specs.h`, line 191

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## Data members

### name {#name}

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`std::string` **`name`**

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empty → positional

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Declared in `ClikaRT/graph/input_specs.h`, line 167

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### position {#position}

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`std::int32_t` **`position`** `= -1`

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used when [`name`](./InputSpec.md#name) is empty

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Declared in `ClikaRT/graph/input_specs.h`, line 168

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### profile {#profile}

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[`ShapeProfile`](./ShapeProfile.md) **`profile`**

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full-shape form (empty → use [`dim_overrides`](./InputSpec.md#dim_overrides))

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Declared in `ClikaRT/graph/input_specs.h`, line 169

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### dim\_overrides {#dim_overrides}

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`std::vector<`[`DimOverride`](./DimOverride.md)`>` **`dim_overrides`**

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per-dim form

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Declared in `ClikaRT/graph/input_specs.h`, line 170

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