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https://github.com/opencv/opencv.git
synced 2024-11-25 11:40:44 +08:00
28 lines
534 B
C++
28 lines
534 B
C++
#include <stdio.h>
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#if defined _WIN32 && defined(_M_ARM)
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# include <Intrin.h>
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# include <arm_neon.h>
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# define CV_NEON 1
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#elif defined(__ARM_NEON__) || (defined (__ARM_NEON) && defined(__aarch64__))
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# include <arm_neon.h>
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# define CV_NEON 1
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#endif
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#if defined CV_NEON
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int test()
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{
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const float src[] = { 0.0f, 0.0f, 0.0f, 0.0f };
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float32x4_t val = vld1q_f32((const float32_t*)(src));
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return (int)vgetq_lane_f32(val, 0);
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}
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#else
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#error "NEON is not supported"
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#endif
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int main()
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{
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printf("%d\n", test());
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return 0;
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}
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