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47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
#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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#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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#else
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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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#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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#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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