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62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
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#ifndef _NPY_ENDIAN_H_
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#define _NPY_ENDIAN_H_
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/*
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* NPY_BYTE_ORDER is set to the same value as BYTE_ORDER set by glibc in
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* endian.h
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*/
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#ifdef NPY_HAVE_ENDIAN_H
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/* Use endian.h if available */
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#include <endian.h>
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#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && defined(LITTLE_ENDIAN)
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#define NPY_BYTE_ORDER BYTE_ORDER
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#define NPY_LITTLE_ENDIAN LITTLE_ENDIAN
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#define NPY_BIG_ENDIAN BIG_ENDIAN
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#elif defined(_BYTE_ORDER) && defined(_BIG_ENDIAN) && defined(_LITTLE_ENDIAN)
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#define NPY_BYTE_ORDER _BYTE_ORDER
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#define NPY_LITTLE_ENDIAN _LITTLE_ENDIAN
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#define NPY_BIG_ENDIAN _BIG_ENDIAN
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#elif defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
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#define NPY_BYTE_ORDER __BYTE_ORDER
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#define NPY_LITTLE_ENDIAN __LITTLE_ENDIAN
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#define NPY_BIG_ENDIAN __BIG_ENDIAN
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#endif
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#endif
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#ifndef NPY_BYTE_ORDER
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/* Set endianness info using target CPU */
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#include "npy_cpu.h"
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#define NPY_LITTLE_ENDIAN 1234
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#define NPY_BIG_ENDIAN 4321
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#if defined(NPY_CPU_X86) \
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|| defined(NPY_CPU_AMD64) \
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|| defined(NPY_CPU_IA64) \
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|| defined(NPY_CPU_ALPHA) \
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|| defined(NPY_CPU_ARMEL) \
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|| defined(NPY_CPU_AARCH64) \
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|| defined(NPY_CPU_SH_LE) \
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|| defined(NPY_CPU_MIPSEL) \
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|| defined(NPY_CPU_PPC64LE)
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#define NPY_BYTE_ORDER NPY_LITTLE_ENDIAN
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#elif defined(NPY_CPU_PPC) \
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|| defined(NPY_CPU_SPARC) \
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|| defined(NPY_CPU_S390) \
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|| defined(NPY_CPU_HPPA) \
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|| defined(NPY_CPU_PPC64) \
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|| defined(NPY_CPU_ARMEB) \
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|| defined(NPY_CPU_SH_BE) \
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|| defined(NPY_CPU_MIPSEB) \
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|| defined(NPY_CPU_OR1K) \
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|| defined(NPY_CPU_M68K)
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#define NPY_BYTE_ORDER NPY_BIG_ENDIAN
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#else
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#error Unknown CPU: can not set endianness
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#endif
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#endif
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#endif
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