Description

   erf() returns the value of the error function. The definition of
   the erf() function is (2/sqrt(pi)) times the area under the curve
   exp(-t * t) between 0 and x.

   erfc() returns (1.0-erf(x)).


                          Entry-Point Names

   Generic
   Function   Data Type   OpenVMS        Tru64 UNIX
   Name       Required

   erf        S_FLOAT     math$erf_s     erff
              T_FLOAT     math$erf_t     erf
              X_FLOAT     math$erf_x     erfl
              F_FLOAT     math$erf_f
              G_FLOAT     math$erf_g

   erfc       S_FLOAT     math$erfc_s    erfcf
              T_FLOAT     math$erfc_t    erfc
              X_FLOAT     math$erfc_x    erfcl
              F_FLOAT     math$erfc_f
              G_FLOAT     math$erfc_g