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_mm_castsi128_pd

Microsoft Specific

Applies a type cast to reinterpret four 32-bit integers passed in as a 128-bit parameter as packed 64-bit floating point values.

__m128d _mm_castsi128_pd( 
   __m128i a
);

[in] a

A 128-bit parameter that contains four 32-bit integers.

Intrinsic

Architecture

_mm_castsi128_pd

x86, x64

Header file <emmintrin.h>

The 128-bit return value r is a copy of the 128-bit parameter a, but cast as two 64-bit floating point values. This intrinsic changes one data type to another without performing any conversion.

This intrinsic does not map to any specific machine instruction.

See the example for _mm_castpd_si128.

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