mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
190 lines
2.9 KiB
C++
190 lines
2.9 KiB
C++
//
|
|
// FILE: sci_test.ino
|
|
// AUTHOR: Rob Tillaart
|
|
// VERSION: 0.0.1
|
|
// PURPOSE: test different values with sci function
|
|
|
|
#include "printHelpers.h"
|
|
|
|
uint32_t start, stop;
|
|
|
|
void setup()
|
|
{
|
|
Serial.begin(115200);
|
|
Serial.println(__FILE__);
|
|
|
|
test1();
|
|
test2();
|
|
test3();
|
|
test4();
|
|
test5();
|
|
test6();
|
|
|
|
Serial.println("\nDone...");
|
|
}
|
|
|
|
void loop()
|
|
{}
|
|
|
|
void test1()
|
|
{
|
|
Serial.println();
|
|
Serial.println(__FUNCTION__);
|
|
|
|
double f = 1;
|
|
for (int i = 0; i < 40; i++)
|
|
{
|
|
f *= 10;
|
|
Serial.println(sci(f, 6));
|
|
}
|
|
Serial.println();
|
|
|
|
f = 1;
|
|
for (int i = 0; i < 50; i++)
|
|
{
|
|
f /= 10;
|
|
Serial.println(sci(f, 6));
|
|
}
|
|
Serial.println();
|
|
|
|
f = -1;
|
|
for (int i = 0; i < 40; i++)
|
|
{
|
|
f *= 10;
|
|
Serial.println(sci(f, 6));
|
|
}
|
|
Serial.println();
|
|
|
|
f = -1;
|
|
for (int i = 0; i < 50; i++)
|
|
{
|
|
f /= 10;
|
|
Serial.println(sci(f, 6));
|
|
}
|
|
Serial.println();
|
|
Serial.println();
|
|
}
|
|
|
|
void test2()
|
|
{
|
|
Serial.println();
|
|
Serial.println(__FUNCTION__);
|
|
|
|
double f = 1;
|
|
for (int i = 0; i < 40; i++)
|
|
{
|
|
f *= (PI * PI);
|
|
Serial.println(sci(f, 6));
|
|
}
|
|
Serial.println();
|
|
f = 1;
|
|
for (int i = 0; i < 50; i++)
|
|
{
|
|
f /= (PI * PI);
|
|
Serial.println(sci(f, 6));
|
|
}
|
|
Serial.println();
|
|
f = -1;
|
|
for (int i = 0; i < 40; i++)
|
|
{
|
|
f *= (PI * PI);
|
|
Serial.println(sci(f, 6));
|
|
}
|
|
Serial.println();
|
|
f = -1;
|
|
for (int i = 0; i < 50; i++)
|
|
{
|
|
f /= (PI * PI);
|
|
Serial.println(sci(f, 6));
|
|
}
|
|
Serial.println();
|
|
Serial.println();
|
|
}
|
|
|
|
void test3()
|
|
{
|
|
Serial.println();
|
|
Serial.println(__FUNCTION__);
|
|
|
|
double f = PI;
|
|
for (int digits = 0; digits < 15; digits++)
|
|
{
|
|
Serial.println(sci(f, digits));
|
|
}
|
|
Serial.println();
|
|
}
|
|
|
|
void test4()
|
|
{
|
|
Serial.println();
|
|
Serial.println(__FUNCTION__);
|
|
|
|
double f = PI;
|
|
for (int digits = 0; digits < 15; digits++)
|
|
{
|
|
sci(Serial, f, digits);
|
|
Serial.println();
|
|
}
|
|
Serial.println();
|
|
}
|
|
|
|
void test5()
|
|
{
|
|
Serial.println();
|
|
Serial.println(__FUNCTION__);
|
|
|
|
double f = 1.0 / 0.0;
|
|
Serial.println(sci(f, 6));
|
|
f = 0.0 / 0.0;
|
|
Serial.println(sci(f, 6));
|
|
f = -1.0 / 0.0;
|
|
Serial.println(sci(f, 6));
|
|
// TODO find a -inf
|
|
Serial.println(sci(tan(PI / 2), 6));
|
|
|
|
|
|
Serial.println();
|
|
}
|
|
|
|
void test6()
|
|
{
|
|
if (sizeof(double) >= 8)
|
|
{
|
|
Serial.println("DEC\tTIME\tVALUE");
|
|
for (int i = 0; i < 16; i++)
|
|
{
|
|
double f = PI * 1E307; // causes warning...
|
|
start = micros();
|
|
char * b = sci(f, i);
|
|
stop = micros();
|
|
Serial.print(i);
|
|
Serial.print('\t');
|
|
Serial.print(stop - start);
|
|
Serial.print('\t');
|
|
Serial.print(b);
|
|
Serial.println();
|
|
delay(10);
|
|
}
|
|
Serial.println();
|
|
}
|
|
|
|
// floats
|
|
Serial.println("DEC\tTIME\tVALUE");
|
|
for (int i = 0; i < 16; i++)
|
|
{
|
|
double f = PI * 1E38;
|
|
start = micros();
|
|
char * b = sci(f, i);
|
|
stop = micros();
|
|
Serial.print(i);
|
|
Serial.print('\t');
|
|
Serial.print(stop - start);
|
|
Serial.print('\t');
|
|
Serial.print(b);
|
|
Serial.println();
|
|
delay(10);
|
|
}
|
|
}
|
|
|
|
// -- END OF FILE --
|