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cblas_?cabs1

Computes absolute value of complex number.

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
.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.