Computes the squared absolute value of a double-precision floating-point number x.
x
input value
squared absolute value
var v = abs2( -1.0 ); // returns 1.0
var v = abs2( 2.0 ); // returns 4.0
var v = abs2( 0.0 ); // returns 0.0
var v = abs2( -0.0 ); // returns 0.0
var v = abs2( NaN ); // returns NaN
Computes the squared absolute value of a double-precision floating-point number
x
.