/COPYRIGHT 1970, DIGITAL EQUIPMENT CORP., MAYNARD, MASS.
/EDIT 3   9-25-70
       .TITLE .BF    RAISE REAL BASE(A) TO DOUBLE POWER (B)  A**B
       .GLOBL .BF,.CB,.DE,.AS,.DF,.ER,.AB
/             CALLING SEQUENCE   (A**B = EXP(B * LOGE(A)))
/      JMS*   (.BF)           SUBR CALL (A IN FLOAT ACC)
/      CAL/XCT ADDR           ADDR OF B (XCT IF INDIRECT
/      NEXT   INSTRUCTION     SUBR RETURN (RESULT IN FLOAT ACC)
/
.BF    CAL    0              /ENTRY-EXIT
       JMS*   .CB            /SHORT GET ARG (.CB)
BF02   CAL    0              /ADDR OF ARG B
	LAC* .AB		/GET BASE
	SZA
	JMP BF06
	ISZ BF02		/PASS BY EXP.
	LAC* BF02
	SPA!SNA!CLA
	JMS* .ER		/OTS 15
	AND 15			/DUMMY INSTR.
	JMP* .BF		/ANS=BASE
BF06	JMS*   .DE            /COMPUTE LOG2(A)
       JMS*   .AS            /MULTIPLY DOUBLE (.AS)
       .DSA   BF05           / (LOG2(A) * LOGE(2) = LOGE(A))
       JMS*   .AS            /MULTIPLY DOUBLE (.AS)
       .DSA   BF02+400000    / (B X LOGE(A))
       JMS*   .DF            /COMPUTE EXP (.DF) (EXP(B * LOGE(A)))
       JMP*   .BF            /EXIT
BF05          0              /LOGE(2) (1)  (0.6931471806)
              261344         /        (2)
              137700         /        (3)
       .END