Description

   ln() computes the natural (base e) logarithm of x.

   log2() computes the base 2 logarithm of x.

   log10() computes the common (base 10) logarithm of x.

   log1p() computes ln(1+y) accurately, even for tiny y.


                          Entry-Point Names

   Generic
   Function   Data Type   OpenVMS        Tru64 UNIX
   Name       Required

   ln         S_FLOAT     math$ln_s      logf
              T_FLOAT     math$ln_t      log
              X_FLOAT     math$ln_x      logl
              F_FLOAT     math$ln_f
              G_FLOAT     math$ln_g

   log2       S_FLOAT     math$log2_s    log2f
              T_FLOAT     math$log2_t    log2
              X_FLOAT     math$log2_x    log2l
              F_FLOAT     math$log2_f
              G_FLOAT     math$log2_g

   log10      S_FLOAT     math$log10_s   log10f
              T_FLOAT     math$log10_t   log10
              X_FLOAT     math$log10_x   log10l
              F_FLOAT     math$log10_f
              G_FLOAT     math$log10_g

   log1p      S_FLOAT     math$log1p_s   log1pf
              T_FLOAT     math$log1p_t   log1p
              X_FLOAT     math$log1p_x   log1pl
              F_FLOAT     math$log1p_f
              G_FLOAT     math$log1p_g