Math Vector Library
Programming Reference Manual C/C++
Version 1.1 DD-00002-011

8.9 vlog10 - Vector base-10 logarithm log10(x)

#include <mvec.h> 
 
void vlog10 (int n, double *restrict y, int incy, const double *restrict x, int incx); 
void vlog10f(int n, float *restrict y, int incy, const float *restrict x, int incx); 
 
 
#include <mvec64.h> 
 
void vlog10_64 (long n, double *restrict y, long incy, const double *restrict x, long incx); 
void vlog10f_64(long n, float *restrict y, long incy, const float *restrict x, long incx);

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

y= log  (x)
     10
8.9.1 Parameters

N - INTEGER

ENTRY: Number of elements of x and y.
CONSTRAINT: n ≥1.

Y - ARRAY OF REAL

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 REAL

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.