248 #define Dbl_set_mantissa(desta,destb,valuea,valueb)	\  argument
250     Dmantissap2(destb) = Dmantissap2(valueb)
253 #define Dbl_set_mantissap2(destb,valueb)		\  argument
254     Dmantissap2(destb) = Dmantissap2(valueb)
256 #define Dbl_set_exponentmantissa(desta,destb,valuea,valueb)	\  argument
258     Dmantissap2(destb) = Dmantissap2(valueb)
262 #define Dbl_copyfromptr(src,desta,destb) \  argument
264     Dallp2(destb) = src->wd1 
433 #define Dbl_makequietnan(desta,destb)					\  argument
436     Dallp2(destb) = 0
437 #define Dbl_makesignalingnan(desta,destb)				\  argument
440     Dallp2(destb) = 0
552 #define Dblext_copy(srca,srcb,srcc,srcd,desta,destb,destc,destd) \  argument
554     Dextallp2(destb) = Dextallp4(srcb);	\