Is_dsign          113 arch/parisc/math-emu/dbl_float.h #define Dbl_isone_sign(dbl_value) (Is_dsign(dbl_value)!=0)
Is_dsign          141 arch/parisc/math-emu/dbl_float.h #define Dbl_iszero_sign(dbl_value) (Is_dsign(dbl_value)==0)