157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
/******************************************************************************
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* @file arm_math_types_f16.h
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* @brief Public header file for f16 function of the CMSIS DSP Library
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* @version V1.9.0
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* @date 23 April 2021
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* Target Processor: Cortex-M and Cortex-A cores
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******************************************************************************/
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/*
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* Copyright (c) 2010-2021 Arm Limited or its affiliates. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _ARM_MATH_TYPES_F16_H
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#define _ARM_MATH_TYPES_F16_H
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#include "arm_math_types.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#if !defined( __CC_ARM )
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/**
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* @brief 16-bit floating-point type definition.
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* This is already defined in arm_mve.h
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*
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* This is not fully supported on ARM AC5.
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*/
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/*
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Check if the type __fp16 is available.
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If it is not available, f16 version of the kernels
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won't be built.
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*/
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#if !(__ARM_FEATURE_MVE & 2)
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#if !defined(DISABLEFLOAT16)
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#if defined(__ARM_FP16_FORMAT_IEEE) || defined(__ARM_FP16_FORMAT_ALTERNATIVE)
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typedef __fp16 float16_t;
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#define ARM_FLOAT16_SUPPORTED
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#endif
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#endif
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#else
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/* When Vector float16, this flag is always defined and can't be disabled */
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#define ARM_FLOAT16_SUPPORTED
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#endif
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#if defined(ARM_MATH_NEON) || (defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE)) /* floating point vector*/
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#if defined(ARM_MATH_MVE_FLOAT16) || defined(ARM_MATH_NEON_FLOAT16)
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/**
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* @brief 16-bit floating-point 128-bit vector data type
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*/
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typedef __ALIGNED(2) float16x8_t f16x8_t;
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/**
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* @brief 16-bit floating-point 128-bit vector pair data type
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*/
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typedef float16x8x2_t f16x8x2_t;
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/**
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* @brief 16-bit floating-point 128-bit vector quadruplet data type
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*/
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typedef float16x8x4_t f16x8x4_t;
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/**
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* @brief 16-bit ubiquitous 128-bit vector data type
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*/
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typedef union _any16x8_t
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{
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float16x8_t f;
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int16x8_t i;
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} any16x8_t;
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#endif
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#endif
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#if defined(ARM_MATH_NEON)
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#if defined(ARM_MATH_NEON_FLOAT16)
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/**
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* @brief 16-bit float 64-bit vector data type.
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*/
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typedef __ALIGNED(2) float16x4_t f16x4_t;
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/**
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* @brief 16-bit floating-point 128-bit vector triplet data type
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*/
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typedef float16x8x3_t f16x8x3_t;
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/**
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* @brief 16-bit floating-point 64-bit vector pair data type
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*/
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typedef float16x4x2_t f16x4x2_t;
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/**
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* @brief 16-bit floating-point 64-bit vector triplet data type
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*/
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typedef float16x4x3_t f16x4x3_t;
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/**
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* @brief 16-bit floating-point 64-bit vector quadruplet data type
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*/
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typedef float16x4x4_t f16x4x4_t;
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/**
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* @brief 16-bit ubiquitous 64-bit vector data type
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*/
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typedef union _any16x4_t
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{
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float16x4_t f;
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int16x4_t i;
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} any16x4_t;
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#endif
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#endif
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#if defined(ARM_FLOAT16_SUPPORTED)
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#define F16_MAX ((float16_t)__FLT16_MAX__)
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#define F16_MIN (-(float16_t)__FLT16_MAX__)
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#define F16_ABSMAX ((float16_t)__FLT16_MAX__)
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#define F16_ABSMIN ((float16_t)0.0f16)
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#define F16INFINITY ((float16_t)__builtin_inf())
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#endif /* ARM_FLOAT16_SUPPORTED*/
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#endif /* !defined( __CC_ARM ) */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ARM_MATH_F16_H */
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