LOG(III)                     4/30/72                     LOG(III)







NAME

     log - natural logarithm



SYNOPSIS

     jsr     r5,log



     double log(x)

     double x;



DESCRIPTION

     The natural logarithm of fr0 is returned in  fr0.   From  C,

     the natural logarithm of x is returned.



DIAGNOSTICS

     The error bit (c-bit) is set if the input argument  is  less

     than  or  equal  to zero and the result is a negative number

     very  large  in  magnitude.   From  C,  there  is  no  error

     indication.