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错误
Printing an error messagevar cephes_errors = [
"'unknown'", /* error code 0 */
"'domain'", /* error code 1 */
"'singularity'", /* et seq. */
"'overflow'",
"'underflow'",
"'total loss of precision'",
"'partial loss of precision'" ];
function printError()
{
var er = cephes.geterror();
if(er>0)
{
Session.Output( "cephes error " + err + " " + cephes_errors[er]);
}
}
Testing for error
if(cephes.inerror())
{
printError();
}