VC2012在哪里找到_mm256_pow_pd? [英] VC2012 where to find _mm256_pow_pd?

问题描述

使用Visual Studio 2012/C ++:

Using Visual Studio 2012/C++:

我需要对我的重采样器代码进行伽玛校正.来自英特尔文档 I了解到应该有固有的_mm256_pow_pd()，但我找不到它.

I need to apply gamma correction to my resampler code. From Intels Docs I learned that there should be the intrinsic _mm256_pow_pd(), but I can't find it.

计划使用:

_mm256_storeu_pd(&destinationData[y*dst4+x], _mm256_pow_pd(akku, _mm256_broadcast_sd(&gamma)));

微软在哪里隐藏了这种内在的任何想法?

Any ideas where Microsoft has hidden this intrinsic?

推荐答案

很明显，我对Google的了解不够.这样的答案就暗中回答了我的问题: https://stackoverflow.com/a/31515534/2896592

Obviously I didn't google enough. This SO answer implicitly answers my question: https://stackoverflow.com/a/31515534/2896592

内容:_mm256_pow_pd来自英特尔的SVML库-它不是一个内在的东西.

Content: _mm256_pow_pd is from Intel's SVML library - it's not really an intrinsic.

解决方法:看看 Agner Fog的矢量库

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