Convert a string to a double precision number
Double_Type atof (String_Type s)
This function converts a string s to a double precision value
and returns the result. It performs no error checking on the format
of the string. The function _slang_guess_type may be used to
check the syntax of the string.
define error_checked_atof (s)
{
switch (_slang_guess_type (s))
{
case Double_Type:
return atof (s);
}
{
case Integer_Type:
return double (integer (s));
}
verror ("%s is not a double", s);
}
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