# Intrinsics for Logarithmic Operations (512-bit)

The prototypes for Intel® Advanced Vector Extensions 512 (Intel® AVX-512) intrinsics are located in the zmmintrin.h header file.
To use these intrinsics, include the immintrin.h file as follows:

    #include <immintrin.h>

Intrinsic Name | Operation | Corresponding Intel® AVX-512 Instruction
--- | --- | ---
`_mm512_log10_pd`, `_mm512_mask_log10_pd` | Calculates base-10 logarithm. | None.
`_mm512_log10_ps`, `_mm512_mask_log10_ps` | Calculates base-10 logarithm. | None.
`_mm512_log1p_pd`, `_mm512_mask_log1p_pd` | Calculates natural logarithm. | None.
`_mm512_log1p_ps`, `_mm512_mask_log1p_ps` | Calculates signed exponent. | None.
`_mm512_log2_pd`, `_mm512_mask_log2_pd` | Calculates base-2 logarithm. | None.
`_mm512_log_pd`, `_mm512_mask_log_pd` | Calculates natural logarithm. | None.
`_mm512_log_ps`, `_mm512_mask_log_ps` | Calculates natural logarithm. | None.
`_mm512_logb_pd`, `_mm512_mask_logb_pd` | Calculates signed exponent. | None.
`_mm512_logb_ps`, `_mm512_mask_logb_ps` | Calculates signed exponent. | None.

variable | definition
--- | ---
k | zeromask used as a selector
k | writemask used as a selector
a | first source vector element
b | second source vector element
c | third source vector element
src | source element

_mm512_log10_pd

    extern __m512d __cdecl _mm512_log10_pd(__m512d a);

Calculates the base-10 logarithm of vector a elements.

_mm512_mask_log10_pd

    extern __m512d __cdecl _mm512_mask_log10_pd(__m512d src, __mmask8 k, __m512d a);

Calculates the base-10 logarithm of vector a elements.

_mm512_log10_ps

    extern __m512 __cdecl _mm512_log10_ps(__m512 a);

Calculates the base-10 logarithm of vector a elements.

_mm512_mask_log10_ps

    extern __m512 __cdecl _mm512_mask_log10_ps(__m512 src, __mmask16 k, __m512 a);

Calculates the base-10 logarithm of vector a elements.

_mm512_log1p_pd

    extern __m512d __cdecl _mm512_log1p_pd(__m512d a);

Calculates the natural logarithm of vector a elements, defined by: `ln (v1 + 1)`

_mm512_mask_log1p_pd

    extern __m512d __cdecl _mm512_mask_log1p_pd(__m512d src, __mmask8 k, __m512d a);

Calculates the natural logarithm of vector a elements, defined by: `ln (v1 + 1)`

_mm512_log1p_ps

    extern __m512 __cdecl _mm512_log1p_ps(__m512 a);

Calculates the natural logarithm of vector a elements, defined by: `ln (v1 + 1)`

_mm512_mask_log1p_ps

    extern __m512 __cdecl _mm512_mask_log1p_ps(__m512 src, __mmask16 k, __m512 a);

Calculates the natural logarithm of vector a elements, defined by: `ln (v1 + 1)`

_mm512_log2_pd

    extern __m512d __cdecl _mm512_log2_pd(__m512d a);

Calculates the base-2 logarithm of vector a elements.

_mm512_mask_log2_pd

    extern __m512d __cdecl _mm512_mask_log2_pd(__m512d src, __mmask8 k, __m512d a);

Calculates the base-2 logarithm of vector a elements.

_mm512_log_pd

    extern __m512d __cdecl _mm512_log_pd(__m512d a);

Calculates the natural (base-e) logarithm of vector a elements.

_mm512_mask_log_pd

    extern __m512d __cdecl _mm512_mask_log_pd(__m512d src, __mmask8 k, __m512d a);

Calculates the natural (base-e) logarithm of vector a elements.

_mm512_log_ps

    extern __m512 __cdecl _mm512_log_ps(__m512 a);

Calculates the natural (base-e) logarithm of vector a elements.

_mm512_mask_log_ps

    extern __m512 __cdecl _mm512_mask_log_ps(__m512 src, __mmask16 k, __m512 a);

Calculates the natural (base-e) logarithm of vector a elements.

_mm512_logb_pd

    extern __m512d __cdecl _mm512_logb_pd(__m512d a);

Calculates the signed exponent of vector a elements.

_mm512_mask_logb_pd

    extern __m512d __cdecl _mm512_mask_logb_pd(__m512d src, __mmask8 k, __m512d a);

Calculates the signed exponent of vector a elements.

_mm512_logb_ps

    extern __m512 __cdecl _mm512_logb_ps(__m512 a);

Calculates the signed exponent of vector a elements.

_mm512_mask_logb_ps

    extern __m512 __cdecl _mm512_mask_logb_ps(__m512 src, __mmask16 k, __m512 a);

Calculates the signed exponent of vector a elements.

Parent topic: Intrinsics for Short Vector Math Library Operations (SVML)