Computes a signed fractional part for each vector element.

Syntax

vsFrac( n, a, y );

vmsFrac( n, a, y, mode );

vdFrac( n, a, y );

vmdFrac( n, a, y, mode );

Include Files

  • mkl.h

Input Parameters

Name

Type

Description

n

const MKL_INT

Specifies the number of elements to be calculated.

a

const float* for vsFrac, vmsFrac

const double* for vdFrac, vmdFrac

Pointer to an array that contains the input vector a.

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

float* for vsFrac, vmsFrac

double* for vdFrac, vmdFrac

Pointer to an array that contains the output vector y.

Description

The function computes a signed fractional part for each vector element.



Special Values for Real Function v?Frac(x)
Argument Result Exception
+0 +0  
-0 -0  
+ +0  
- -0  
SNAN QNAN INVALID
QNAN QNAN  
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