## VRdScale

#### Routine

void VRdScale (double a, const double x[], double y[], int N)

#### Purpose

Multiply each element of a double array by a scalar value

#### Description

This routine multiplies each element of a double array by a scalar value,

      y[i] = a * x[i],  0 <= i < N.

#### Parameters

-> double a
  A scalar value
-> const double x[]
  Input array (N elements)
<- double y[]
  Output array (N elements). The output array can be the same as the input array.
-> int N
  Number of elements in the arrays (may be zero).

#### Author / revision

P. Kabal / Revision 1.3 2003/05/09

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