annotate mupdf-source/thirdparty/zxing-cpp/core/src/ZXConfig.h @ 16:bd5bb0742cc3

A "check" target that checks for all venv and host prerequisites
author Franz Glasner <fzglas.hg@dom66.de>
date Wed, 17 Sep 2025 21:11:25 +0200
parents b50eed0cc0ef
children
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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 /*
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2 * Copyright 2018 Axel Waggershauser
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3 */
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4 // SPDX-License-Identifier: Apache-2.0
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6 #pragma once
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8 // Thread local or static memory may be used to reduce the number of (re-)allocations of temporary variables
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9 // in e.g. the ReedSolomonDecoder. It is disabled by default. It can be enabled by modifying the following define.
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10 // Note: The Apple clang compiler until XCode 8 does not support c++11's thread_local.
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11 // The alternative 'static' makes the code thread unsafe.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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12 // for Windows in Visual Studio 2019 on Intel 64-bit using thread_local causes a dependency to VCRUNTIME140_1.dll, so you need 2019 runtime DLLs instead of only 2015 version.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
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13 #define ZX_THREAD_LOCAL thread_local // '' (nothing), 'thread_local' or 'static'
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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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15 // The Galoir Field abstractions used in Reed-Solomon error correction code can use more memory to eliminate a modulo
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
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16 // operation. This improves performance but might not be the best option if RAM is scarce. The effect is a few kB big.
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17 #define ZX_REED_SOLOMON_USE_MORE_MEMORY_FOR_SPEED