taglinefilesource code
expon469drivers/FPU-emu/fpu_trig.cint expon;
expon482drivers/FPU-emu/fpu_trig.cexpon = FPU_st0_ptr->exp - EXP_BIAS;
expon483drivers/FPU-emu/fpu_trig.cFPU_st0_ptr->exp = EXP_BIAS + (expon & 1);  /* make st(0) in  [1.0 .. 4.0) */
expon487drivers/FPU-emu/fpu_trig.cFPU_st0_ptr->exp += expon >> 1;