Υǥ쥯ȥˤ, ʲΤ褦ʥƥåץब. ɬ
ưʤȤΤ, ¹Է̤ˤĤƤϥץ
򸫤ǽʬ˸Ƥ뤳.

* ɽΥå

      cdchk.f : 
        INTEGER*4ɽ (ɽ/ɽ)
        REAL*4ɽ    (IBM/IEEE)
        ʸ          (EBCDIC/EBCDIK/ASCII)

        : bitpic, biptci δʰǤĤƤΤ, 
            ishft, iand 򥷥ƥबݡȤƤ
            Ǿ饤֥꤬󥹥ȡ뤵ƤʤƤ
            Τޤ޻Ȥ. 

* ZERO DIVIDE ηٹ

      izdiv.f : INTEGER ZERO DIVIDE
      rzdiv.f : FLOATING POINT ZERO DIVIDE

* Сեեηٹ

      ioflow.f: INTEGER OVERFLOW  (ۤȤɤνϤǷٹ𤷤ʤ!)
      roflow.f: FLOATING OVERFLOW
      ruflow.f: FLOATING UNDERFLOW

* ¿ɽ˴ؤå

      repsl.f   : math1/syslib ꤹ٤ 'REPSL' ꤹ. 
      realmin.f : math1/syslib ꤹ٤ 'REALMIN' ꤹ. 
      realmax.f : math1/syslib ꤹ٤ 'REALMAX' ꤹ. 

        : realmin ˤĤƤ 'REALMIN' Ȥϰä, 
            ̾٤ʤ֤ͤȤ. 
