NAME

blog - natural logarithm

SYNOPSIS

double blog(x)
double x;

DESCRIPTION

Blog returns the natural logarithm of x.  The calculation is performed by log (see exp(3)). 

This function implements the BASIC LOG function. 

SEE ALSO

log(func)
exp(3) in the UNIX Programmerís Manual

DIAGNOSTICS

Error 5 (Illegal function call) is generated if x is non-positive. 

from The Basmark QuickBASIC Programmerís Manual by Lawrence Leinweber