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