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hyperrogue/rogueviz/dhrg/dhrg-utils.cpp
Arthur O'Dwyer 62629f3e70 Change static const to static constexpr wherever possible
Since we require C++11, most of these consts can be constexpr.

Two `static const ld` remain non-compile-time-evaluable because
they depend on the runtime `log` function. One `static const cld`
remains non-compile-time because `std::complex<T>` doesn't become
constexpr until C++14.
2023-08-23 09:47:28 -08:00

32 lines
836 B
C++

// general utilities
#include <sys/time.h>
namespace dhrg {
struct progressbar : indenter_finish {
string name;
static constexpr int PBSIZE = 64;
int step = -1, total, drawat = 0, count = -1;
void operator ++ (int) {
step++;
while(step >= drawat && total) {
count++;
drawat = (total * (count+1)) / PBSIZE;
fprintf(stderr, "%s [", get_stamp().c_str());
for(int k=0; k<count; k++) fprintf(stderr, "#");
for(int k=count; k<64; k++) fprintf(stderr, "-");
fprintf(stderr, "] %s\x1b[K\r", name.c_str());
fflush(stderr);
}
}
~progressbar() {
fprintf(stderr, "\x1b[K");
}
progressbar(int t, string n) : indenter_finish(n) { hlog.indentation -= 2; println(hlog, name); hlog.indentation += 2; total = t; (*this)++; }
};
}