.TITLE ALOG10 COMPUTE COMMON LOGARITHM FOR REAL ARGUMENT /COPYRIGHT 1970, DIGITAL EQUIPMENT CORP., MAYNARD, MASS. /EDIT 1 10-22-70 .GLOBL ALOG10,.DA,.AG,.EE,.AK / CALLING SEQUENCE / JMS* (ALOG10) SUBR CALL / JMP .+2 SUBR RETURN / CAL/XCTADDR ADDR OF ARGUMENT (XCT IF INDIRECT) / ALOG10 CAL 0 /ENTRY-EXIT JMS* .DA /GET ARGUMENT (.DA) JMP AL1002 AL1001 CAL 0 /ARGUMENT AL1002 JMS* .AG /LOAD REAL (.AG) .DSA AL1001+400000 / (ARG) JMS* .EE /COMPUTE LOG2(ARG) (.EE) JMS* .AK /MULTIPLY REAL (.AK) .DSA AL1007 / (LOG10(2)) JMP* ALOG10 /EXIT AL1007 .DSA 152777 /LOG10(2) (1) (0.3010299957) 232101 / (2) .END