---
title: "ClikaRT::dtype::float6_e3m2_t"
sidebar_label: "float6_e3m2_t"
description: "FP6 E3M2: 1 sign + 3 exponent + 2 mantissa, bias 3. Range ±28, smallest normal 2^-2, eps 2^-2. Low 6 bits of a byte."
---

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

**Header:** `ClikaRT/compute/scalar_types.h`

FP6 E3M2: 1 sign + 3 exponent + 2 mantissa, bias 3. Range ±28, smallest normal 2^-2, eps 2^-2. Low 6 bits of a byte.

## Static member functions

### from\_bits() {#from_bits}

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`static` `constexpr` [`float6_e3m2_t`](./float6_e3m2_t.md) **`from_bits`**(`std::uint8_t` `b`) `noexcept`

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Reinterpret the low 6 bits of `b` as an encoding without converting.

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Declared in `ClikaRT/compute/scalar_types.h`, line 307

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## Member functions

### float6\_e3m2\_t() {#float6_e3m2_t}

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`constexpr` `constexpr` **`float6_e3m2_t`**() `noexcept=default`

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Declared in `ClikaRT/compute/scalar_types.h`, line 298

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### float6\_e3m2\_t(float) {#float6_e3m2_t-2}

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`explicit` **`float6_e3m2_t`**(`float` `f`) `noexcept`

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Convert from fp32 (round-to-nearest-even; saturates on overflow).

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Declared in `ClikaRT/compute/scalar_types.h`, line 301

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### operator float() {#operator-float}

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**`operator float`**() `const noexcept`

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Convert to fp32 (lossless).

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Declared in `ClikaRT/compute/scalar_types.h`, line 304

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## Data members

### bits {#bits}

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`std::uint8_t` **`bits`** `= 0`

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Raw encoding in the low 6 bits (the storage/ABI form).

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Declared in `ClikaRT/compute/scalar_types.h`, line 296

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## Friends

### operator== {#operator-eq}

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`friend` `bool` **`operator==`**([`float6_e3m2_t`](./float6_e3m2_t.md) `a`, [`float6_e3m2_t`](./float6_e3m2_t.md) `b`) `noexcept`

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Compares `a` and `b` by dequantized value.

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Declared in `ClikaRT/compute/scalar_types.h`, line 309

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### operator\!= {#operator-ne}

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`friend` `bool` **`operator!=`**([`float6_e3m2_t`](./float6_e3m2_t.md) `a`, [`float6_e3m2_t`](./float6_e3m2_t.md) `b`) `noexcept`

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Compares `a` and `b` by dequantized value.

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Declared in `ClikaRT/compute/scalar_types.h`, line 310

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### operator\< {#operator-lt}

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`friend` `bool` **`operator<`**([`float6_e3m2_t`](./float6_e3m2_t.md) `a`, [`float6_e3m2_t`](./float6_e3m2_t.md) `b`) `noexcept`

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Compares `a` and `b` by dequantized value.

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Declared in `ClikaRT/compute/scalar_types.h`, line 311

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### operator\<= {#operator-le}

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`friend` `bool` **`operator<=`**([`float6_e3m2_t`](./float6_e3m2_t.md) `a`, [`float6_e3m2_t`](./float6_e3m2_t.md) `b`) `noexcept`

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Compares `a` and `b` by dequantized value.

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Declared in `ClikaRT/compute/scalar_types.h`, line 312

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### operator\> {#operator-gt}

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`friend` `bool` **`operator>`**([`float6_e3m2_t`](./float6_e3m2_t.md) `a`, [`float6_e3m2_t`](./float6_e3m2_t.md) `b`) `noexcept`

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Compares `a` and `b` by dequantized value.

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Declared in `ClikaRT/compute/scalar_types.h`, line 313

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### operator\>= {#operator-ge}

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`friend` `bool` **`operator>=`**([`float6_e3m2_t`](./float6_e3m2_t.md) `a`, [`float6_e3m2_t`](./float6_e3m2_t.md) `b`) `noexcept`

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Compares `a` and `b` by dequantized value.

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Declared in `ClikaRT/compute/scalar_types.h`, line 314

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