search for: bin_to_dec

Displaying 2 results from an estimated 2 matches for "bin_to_dec".

2015 Aug 28
2
[OT] GNU bc base conversion
...Other than a few other define statements, the only other option I have set is scale=5 in my bcrc. In reference to the order of (o|i)base parameters, I have specified obase before ibase [0]. [0] http://docstore.mik.ua/orelly/unix/upt/ch49_03.htm See below for my examples. Thanks! ]$ echo "bin_to_dec(1001)" | bc 1001 # should be decimal 9 ]$ echo "obase=10; ibase=2; 1001" | bc 9 ]$ grep bin_to_dec ~/.bcrc define bin_to_dec(b) { obase=10; ibase=2; return b; } ---- ]$ echo "hex_to_dec(AB)" | bc 99 # should be decimal 171 ]$ echo "obase=10; ibase=16; AB" | b...
2015 Aug 28
0
[OT] GNU bc base conversion
...tween bases? > > Decimal to binary or hex works fine, but not binary or hex to decimal and > so forth. I'm not an expert in bc, so I might be wrong, but it looks like setting the ibase inside a function is simply too late. ibase affects how bc interprets input. So "echo "bin_to_dec(1001)" | bc" is going to interpret the value of 1001 while reading it from input, not after passing it to a function where ibase is reset. Supporting that theory: $ bc ... define bin_to_dec(b) { obase=10; ibase=2; return b; } bin_to_dec(1001) 1001 Decimal to binary and hex work correc...