SQRT - Square root of image/volume

PURPOSE

Takes the square root of a image/volume.   Example.

USAGE

.OPERATION: SQRT

.INPUT FILE: PIC001
[Enter the name of the file whose square root is to be taken.]

.OUTPUT FILE: PIC002
[Enter the name of the file to contain the square root of the input file.]

NOTES

1. If any value of the input file is negative, the square root cannot be taken; an error message will be printed.

2. Same as old SPIDER operation 'WU'.

SUBROUTINES

IMSQ

CALLER

UTIL2