FP_LOG10

Return the base 10 logarithm of a floating-point number

WSupported on Windows
USupported on Unix
VSupported on OpenVMS

 

xcall FP_LOG10(result, operand)

result

Returned with the base 10 logarithm. (a8)

operand

The operand whose logarithm will be returned. (a8)

The FP_LOG10 subroutine returns the base 10 logarithm of a floating-point number.

The following equation is performed:

result = log10(operand)

Result and operand are native floating-point numbers represented as a8 variables.