Specification
Implementation
float sqrt( float x ) { require( x >= 0 ); const float eps = 0.0001; float guess = 1; while( abs(x - guess * guess ) ) > eps ) guess = ( guess + x / guess ) / 2; promise( guess * guess - x <= eps ); return guess; }
float sqrt( float x ) { require( x >= 0 ); const float eps = 0.0001; float guess = 1; while( abs(x - guess * guess ) ) > eps ) guess = ( guess + x / guess ) / 2; promise( guess * guess - x <= eps ); return guess; }