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tweak: add decimal points tweak to original histogram function

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NunoSempere 2024-01-31 15:17:55 +01:00
parent c676a22ba8
commit d78a5cd182
1 changed files with 6 additions and 11 deletions
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17
squiggle_more.c
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@ -276,18 +276,13 @@ void array_print_histogram(double* xs, int n_samples, int n_bins) {
double bin_start = min_value + i * bin_width; double bin_start = min_value + i * bin_width;
double bin_end = bin_start + bin_width; double bin_end = bin_start + bin_width;
if(bin_width < 0.01){ int decimalPlaces = 1;
printf(" [%4.4f, %4.4f", bin_start, bin_end); if((0 < bin_width) && (bin_width < 1)){
} else if(bin_width < 0.1){ int magnitude = (int) floor(log10(bin_width));
printf(" [%4.3f, %4.3f", bin_start, bin_end); decimalPlaces = -magnitude;
} else if(bin_width < 1){ decimalPlaces = decimalPlaces > 10 ? 10 : decimalPlaces;
printf(" [%4.2f, %4.2f", bin_start, bin_end);
} else if(bin_width < 10){
printf(" [%4.1f, %4.1f", bin_start, bin_end);
} else {
printf(" [%4.0f, %4.0f", bin_start, bin_end);
} }
printf(" [%*.*f, %*.*f", 4+decimalPlaces, decimalPlaces, bin_start, 4+decimalPlaces, decimalPlaces, bin_end);
char interval_delimiter = ')'; char interval_delimiter = ')';
if(i == (n_bins-1)){ if(i == (n_bins-1)){
interval_delimiter = ']'; // last bucket is inclusive interval_delimiter = ']'; // last bucket is inclusive