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Clarrify the message for test mode and use u8 instead of i8 for storing bits

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This commit is contained in:
Guillaume Pinot 2013-11-17 12:47:47 +01:00
parent 6258857beb
commit 0c3b04fa0f
1 changed files with 5 additions and 4 deletions
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9
src/test/bench/shootout-mandelbrot.rs
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@ -21,14 +21,15 @@ static LIMIT: f64 = 2.0;
fn main() {
let args = std::os::args();
let (w, mut out) = if args.len() < 2 {
println("Test mode: do not dump the image.");
println("Test mode: do not dump the image because it's not utf8,"
+ " which interferes with the test runner.");
(1000, ~DummyWriter as ~Writer)
} else {
(from_str(args[1]).unwrap(),
~BufferedWriter::new(std::io::stdout()) as ~Writer)
};
let h = w;
let mut byte_acc = 0i8;
let mut byte_acc = 0u8;
let mut bit_num = 0;
writeln!(out, "P4\n{} {}", w, h);
@ -62,12 +63,12 @@ fn main() {
bit_num += 1;
if bit_num == 8 {
out.write_i8(byte_acc);
out.write_u8(byte_acc);
byte_acc = 0;
bit_num = 0;
} else if x == w - 1 {
byte_acc <<= 8 - w % 8;
out.write_i8(byte_acc);
out.write_u8(byte_acc);
byte_acc = 0;
bit_num = 0;
}