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Added unit format options and updated the CI.

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This commit is contained in:
Teal Dulcet
2023-05-11 07:03:53 -07:00
parent 3608b85963
commit cb2440f1ab
8 changed files with 482 additions and 156 deletions
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172
graphs.hpp
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@@ -15,6 +15,7 @@
#include <iterator>
#include <numeric>
#include <functional>
#include <chrono>
#include <sys/ioctl.h>
#include <unistd.h>
@@ -81,6 +82,24 @@ namespace graphs
const char *const constants[] = {"π", "e"};
const long double constantvalues[] = {M_PI, M_E};
enum units_type
{
units_number,
units_scale_none,
units_scale_SI,
units_scale_IEC,
units_scale_IEC_I,
units_fracts,
units_percent,
units_date,
units_time,
units_monetary
};
enum units_type const units_types[] = {units_number, units_scale_SI, units_scale_IEC, units_scale_IEC_I, units_fracts, units_percent, units_date, units_time, units_monetary};
const char *const suffix_power_char[] = {"", "K", "M", "G", "T", "P", "E", "Z", "Y", "R", "Q"};
const long double max_bit = scalbn(1.0L, LDBL_MANT_DIG - 1);
const long double MAX = max_bit + (max_bit - 1);
@@ -91,6 +110,8 @@ namespace graphs
bool axislabel = true;
bool axistick = true;
bool axisunitslabel = true;
units_type xunits = units_fracts;
units_type yunits = units_fracts;
const char *title = nullptr;
style_type style = style_light;
color_type color = color_red;
@@ -114,7 +135,7 @@ namespace graphs
if (iscntrl(str[i]))
{
cerr << "\nError! Control character in string.\n";
cout << "Control character: " << (int)str[i] << "\n";
cout << "Control character: " << (int)str[i] << '\n';
}
length = mbstowcs(nullptr, str, 0);
@@ -200,8 +221,90 @@ namespace graphs
return wrapped;
}
// Auto-scale number to unit
// Adapted from: https://github.com/coreutils/coreutils/blob/master/src/numfmt.c
void outputunit(long double number, const units_type scale, ostringstream &strm)
{
unsigned int x = 0;
long double val = number;
if (val >= -LDBL_MAX and val <= LDBL_MAX)
{
while (abs(val) >= 10)
{
++x;
val /= 10;
}
}
if (scale == units_scale_none)
{
if (x > LDBL_DIG)
return;
strm << setprecision(LDBL_DIG) << number;
return;
}
if (x > 33 - 1)
return;
double scale_base;
switch (scale)
{
case units_scale_IEC:
case units_scale_IEC_I:
scale_base = 1024;
break;
case units_scale_none:
case units_scale_SI:
default:
scale_base = 1000;
break;
}
unsigned int power = 0;
if (number >= -LDBL_MAX and number <= LDBL_MAX)
{
while (abs(number) >= scale_base)
{
++power;
number /= scale_base;
}
}
long double anumber = abs(number);
anumber += anumber < 10 ? 0.0005 : anumber < 100 ? 0.005
: anumber < 1000 ? 0.05
: 0.5;
if (number != 0 and anumber < 1000 and power > 0)
{
strm << setprecision(LDBL_DIG) << number;
string str = strm.str();
const unsigned int length = 5 + (number < 0 ? 1 : 0);
if (str.length() > length)
{
const int prec = anumber < 10 ? 3 : anumber < 100 ? 2
: 1;
strm.str("");
strm << setprecision(prec) << fixed << number;
}
}
else
{
strm << setprecision(0) << fixed << number;
}
strm << (power < graphs::size(suffix_power_char) ? suffix_power_char[power] : "(error)");
if (scale == units_scale_IEC_I and power > 0)
strm << "i";
}
// Convert fractions and constants to Unicode characters
size_t outputfraction(const long double number, ostringstream &strm)
void outputfraction(const long double number, ostringstream &strm)
{
bool output = false;
@@ -249,6 +352,49 @@ namespace graphs
if (!output)
strm << number;
}
size_t outputlabel(const long double label, const units_type units, ostringstream &strm)
{
strm.imbue(locale(""));
switch (units)
{
case units_number:
strm << label;
break;
case units_scale_none:
case units_scale_SI:
case units_scale_IEC:
case units_scale_IEC_I:
outputunit(label, units, strm);
break;
case units_fracts:
outputfraction(label, strm);
break;
case units_percent:
strm << label * 100 << '%';
break;
case units_date:
{
// const time_t t = chrono::system_clock::to_time_t(chrono::sys_seconds(chrono::duration_cast<chrono::seconds>(chrono::duration<double>(label))));
const time_t t = chrono::system_clock::to_time_t(chrono::system_clock::time_point(chrono::duration_cast<chrono::seconds>(chrono::duration<long double>(label))));
const tm atm = *localtime(&t);
strm << put_time(&atm, "%x");
break;
}
case units_time:
{
// const time_t t = chrono::system_clock::to_time_t(chrono::sys_seconds(chrono::duration_cast<chrono::seconds>(chrono::duration<double>(label))));
const time_t t = chrono::system_clock::to_time_t(chrono::system_clock::time_point(chrono::duration_cast<chrono::seconds>(chrono::duration<long double>(label))));
const tm atm = *localtime(&t);
strm << put_time(&atm, "%X");
break;
}
case units_monetary:
strm << showbase << put_money(label);
break;
}
size_t length = strcol(strm.str().c_str());
@@ -320,7 +466,7 @@ namespace graphs
setlocale(LC_ALL, "");
if (title and title[0] != '\0')
cout << wrap(title, awidth) << "\n";
cout << wrap(title, awidth) << '\n';
if (border)
{
@@ -329,7 +475,7 @@ namespace graphs
for (size_t k = 0; k < awidth; ++k)
cout << styles[style][0];
cout << styles[style][4] << "\n";
cout << styles[style][4] << '\n';
}
for (size_t i = 0; i < height; i += 4)
@@ -340,7 +486,7 @@ namespace graphs
ostringstream ylabelstrm;
size_t ylabellength = 0;
if (axis and axislabel and axistick and axisunitslabel and yaxis >= 0 and yaxis <= height)
if (axis and axistick and axisunitslabel and yaxis >= 0 and yaxis <= height)
{
bool output = false;
long double label = 0;
@@ -358,7 +504,7 @@ namespace graphs
if (output)
{
ylabellength = outputfraction(label, ylabelstrm);
ylabellength = outputlabel(label, aoptions.yunits, ylabelstrm);
ylabellength *= 2;
}
}
@@ -392,7 +538,7 @@ namespace graphs
cout << styles[style][10];
output = true;
}
else if (axislabel and axistick)
else if (axistick)
{
int adivisor = i < yaxis ? -ydivisor : ydivisor;
@@ -423,7 +569,7 @@ namespace graphs
cout << styles[style][4];
output = true;
}
else if (axislabel and axistick)
else if (axistick)
{
int adivisor = j < xaxis ? -xdivisor : xdivisor;
@@ -442,7 +588,7 @@ namespace graphs
output = true;
}
}
else if (yaxislabel and xaxislabel and axislabel and axistick and axisunitslabel and ymin <= 0 and ymax >= 0 and xmin <= 0 and xmax >= 0)
else if (yaxislabel and xaxislabel and axistick and axisunitslabel and ymin <= 0 and ymax >= 0 and xmin <= 0 and xmax >= 0)
{
cout << "0";
output = true;
@@ -452,7 +598,7 @@ namespace graphs
cout << "x";
output = true;
}
else if (yaxislabel and axislabel and axistick and axisunitslabel)
else if (yaxislabel and axistick and axisunitslabel)
{
long double label = 0;
int adivisor = j < xaxis ? -xdivisor : xdivisor;
@@ -477,7 +623,7 @@ namespace graphs
output = false;
ostringstream strm;
size_t length = outputfraction(label, strm);
size_t length = outputlabel(label, aoptions.xunits, strm);
length *= 2;
if ((j >= xaxis or (j + length) < (ymin <= 0 and ymax >= 0 and xmin <= 0 and xmax >= 0 ? xaxis - 4 : xaxis)) and (j + length) < (width - 2) and (xaxis <= (width - 2) or j > 2))
{
@@ -498,7 +644,7 @@ namespace graphs
cout << "y";
output = true;
}
else if (ylabellength and (xaxis < 2 ? xaxislabel : j < (xaxis - ylabellength) and (j + 2) >= (xaxis - ylabellength)) and (yaxis >= 4 or i < (height - 4)) and axislabel and axistick and axisunitslabel)
else if (ylabellength and (xaxis < 2 ? xaxislabel : j < (xaxis - ylabellength) and (j + 2) >= (xaxis - ylabellength)) and (yaxis >= 4 or i < (height - 4)) and axistick and axisunitslabel)
{
cout << ylabelstrm.str();
output = true;
@@ -546,7 +692,7 @@ namespace graphs
cout << styles[style][1];
if (i < (height - 4) or border)
cout << "\n";
cout << '\n';
}
if (border)