method

Float

v1_8_6_287 - Show latest stable - Class: Kernel

Float(p1)

public

Returns arg converted to a float. Numeric types are converted directly, the rest are converted using arg.to_f. As of Ruby 1.8, converting nil generates a TypeError.

   Float(1)           #=> 1.0
   Float("123.456")   #=> 123.456

/*
 *  call-seq:
 *     Float(arg)    => float
 *  
 *  Returns <i>arg</i> converted to a float. Numeric types are converted
 *  directly, the rest are converted using <i>arg</i>.to_f. As of Ruby
 *  1.8, converting <code>nil</code> generates a <code>TypeError</code>.
 *     
 *     Float(1)           #=> 1.0
 *     Float("123.456")   #=> 123.456
 */

static VALUE
rb_f_float(obj, arg)
    VALUE obj, arg;
{
    return rb_Float(arg);
}

Float

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