vatctanhmx - Vector complex hyperbolic tangent minus x tanh(x)-x

25.3 vatctanhmx - Vector complex hyperbolic tangent minus x $tanh(x)-x$

#include <mvecatrig.h> 
 
void vatctanhmx (int n, double complex *restrict y, int incy, 
                const double complex *restrict x, int incx); 
void vatctanhmxf(int n, float complex *restrict y, int incy, 
                const float complex *restrict x, int incx); 
 
 
#include <mvecatrig64.h> 
 
void vatctanhmx_64 (long n, double complex *restrict y, long incy, 
                   const double compex *restrict x, long incx); 
void vatctanhmxf_64(long n, float complex *restrict y, long incy, 
                   const float complex *restrict x, long incx);

Given an input vector $x$ and a result vector $y$ , this function computes:

y= tanh(x)-x

25.3.1 Parameters

N - INTEGER: ENTRY: Number of elements of $x$ and $y$ .
CONSTRAINT: $n ≥1$ .
Y - ARRAY OF COMPLEX: EXIT: Result vector $y$ .
CONSTRAINT: Must contain $n× incy$ elements.
CONSTRAINT: Must not overlap with array $x$ .
INCY - INTEGER: ENTRY: Stride for the vector $y$ .
CONSTRAINT: $incy̸= 0$ .
BEHAVIOR: A negative stride will traverse the array in reverse.
X - ARRAY OF COMPLEX: ENTRY: Input vector $x$ .
CONSTRAINT: Must contain $n× incx$ elements.
CONSTRAINT: Must not overlap with array $y$ .
INCX - INTEGER: ENTRY: Stride for the vector $x$ .
CONSTRAINT: $incx̸= 0$ .
BEHAVIOR: A negative stride will traverse the array in reverse.

25.3.2 Function Graphs

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