opendap/src/main/java/opendap/dap/Attribute.java
private static final boolean checkFloat(String s)
    {
        try {
            //Coverity[FB.DLS_DEAD_LOCAL_STORE]=
            float val = Float.parseFloat(s);
            if(DebugValueChecking) {
                DAPNode.log.debug("Attribute.checkFloat() - string: '" + s + "'   value: " + val);
            }
            return true;
        } catch (NumberFormatException e) {
            if(s.equalsIgnoreCase("nan") || s.equalsIgnoreCase("inf"))
                return true;

            return false;
        }
    }
private static final boolean checkFloat(String s)
    {
        try {
            //Coverity[FB.DLS_DEAD_LOCAL_STORE]=
            float val = Float.parseFloat(s);
            if(DebugValueChecking) {
                DAPNode.log.debug("Attribute.checkFloat() - string: '" + s + "'   value: " + val);
            }
            return true;
        } catch (NumberFormatException e) {
            if(s.equalsIgnoreCase("nan") || s.equalsIgnoreCase("inf"))
                return true;

            return false;
        }
    }
Check if string is a valid Float32.

@param s the <code>String</code> to check.
@return true if the value is legal.