These changes from 65abaab547a5758b0d6d92df4af1663bb47d545f
- result = sign * cosd_q1(arg1) / sind_q1(arg1);
+ result = sign * ((cosd_q1(arg1) / sind_q1(arg1)) / cot_45);
and
- result = sign * sind_q1(arg1) / cosd_q1(arg1);
+ result = sign * ((sind_q1(arg1) / cosd_q1(arg1)) / tan_45);
both introduce division by zero, don't they?