v?Log10

Developer Reference for Intel® oneAPI Math Kernel Library for C

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ID 766684

Date 10/31/2024

Version

Public

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v?Log10

Computes the base 10 logarithm of vector elements.

Syntax

vhLog10( n, a, y );

vhLog10I(n, a, inca, y, incy);

vmhLog10( n, a, y, mode );

vmhLog10I(n, a, inca, y, incy, mode);

vsLog10( n, a, y );

vsLog10I(n, a, inca, y, incy);

vmsLog10( n, a, y, mode );

vmsLog10I(n, a, inca, y, incy, mode);

vdLog10( n, a, y );

vdLog10I(n, a, inca, y, incy);

vmdLog10( n, a, y, mode );

vmdLog10I(n, a, inca, y, incy, mode);

vcLog10( n, a, y );

vcLog10I(n, a, inca, y, incy);

vmcLog10( n, a, y, mode );

vmcLog10I(n, a, inca, y, incy, mode);

vzLog10( n, a, y );

vzLog10I(n, a, inca, y, incy);

vmzLog10( n, a, y, mode );

vmzLog10I(n, a, inca, y, incy, mode);

Include Files

mkl.h

Input Parameters

Name	Type	Description
n	const MKL_INT	Specifies the number of elements to be calculated.
a	const _Float16* for vhLog10, vmhLog10 const float* for vsLog10, vmsLog10 const double* for vdLog10, vmdLog10 const MKL_Complex8* for vcLog10, vmcLog10 const MKL_Complex16* for vzLog10, vmzLog10	Pointer to an array that contains the input vector a.
inca, incy	const MKL_INT	Specifies increments for the elements of `a` and `y`.
mode	const MKL_INT64	Overrides global VM mode setting for this function call. See vmlSetMode for possible values and their description.

Output Parameters

Name	Type	Description
y	_Float16* for vhLog10, vmhLog10 float* for vsLog10, vmsLog10 double* for vdLog10, vmdLog10 MKL_Complex8* for vcLog10, vmcLog10 MKL_Complex16* for vzLog10, vmzLog10	Pointer to an array that contains the output vector y.

Name

Type

Description

_Float16* for vhLog10, vmhLog10

float* for vsLog10, vmsLog10

double* for vdLog10, vmdLog10

MKL_Complex8* for vcLog10, vmcLog10

MKL_Complex16* for vzLog10, vmzLog10

Pointer to an array that contains the output vector y.

Description

The v?Log10 function computes the base 10 logarithm of vector elements.

Special Values for Real Function v?Log10(x)
Argument	Result	VM Error Status	Exception
+1	+0
X < +0	QNAN	VML_STATUS_ERRDOM	INVALID
+0	-∞	VML_STATUS_SING	ZERODIVIDE
-0	-∞	VML_STATUS_SING	ZERODIVIDE
-∞	QNAN	VML_STATUS_ERRDOM	INVALID
+∞	+∞
QNAN	QNAN
SNAN	QNAN		INVALID

See Special Value Notations for the conventions used in the table below.

Special Values for Complex Function v?Log10(z)
RE(z) i·IM(z)	-∞	-X	-0	+0	+X	+∞	NAN
+i·∞							+∞+i·QNAN INVALID
+i·Y						+∞+i·0	QNAN+i·QNAN INVALID
+i·0			ZERODIVIDE	-∞+i·0 ZERODIVIDE		+∞+i·0	QNAN+i·QNAN INVALID
-i·0			ZERODIVIDE	-∞-i·0 ZERODIVIDE		+∞-i·0	QNAN-i·QNAN INVALID
-i·Y						+∞-i·0	QNAN+i·QNAN INVALID
-i·∞							+∞+i·QNAN
+i·NAN	+∞+i·QNAN	QNAN+i·QNAN INVALID	QNAN+i·QNAN INVALID	QNAN+i·QNAN INVALID	QNAN+i·QNAN INVALID	+∞+i·QNAN	QNAN+i·QNAN INVALID