cblas_?cabs1

Syntax

float cblas_scabs1 (const void *z);

double cblas_dcabs1 (const void *z);

Include Files

• mkl.h

Description

The ?cabs1 is an auxiliary routine for a few BLAS Level 1 routines. This routine performs an operation defined as

res=|Re(z)|+|Im(z)|,

where z is a scalar, and res is a value containing the absolute value of a complex number z.

Input Parameters

z

Scalar.

Return Values

The absolute value of a complex number z.