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73 lines
1.2 KiB
C++
73 lines
1.2 KiB
C++
//
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// FILE: fastTrig_plot.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: testing the fastTrigonio functions
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// DATE: 2020-09-07
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// sketch to visualy compare tan(x) and itan(x)
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// use IDE.plotter to view.
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#include "FastTrig.h"
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volatile float x;
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int i;
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void setup()
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{
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Serial.begin(115200);
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// clean plotter buffer
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for (int i = 0; i < 500; i++)
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{
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Serial.print(0);
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Serial.print("\t");
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Serial.print(0);
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Serial.print("\t");
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Serial.print(0);
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Serial.print("\t");
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Serial.print(0);
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Serial.print("\t");
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Serial.print(0);
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Serial.print("\t");
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Serial.print(0);
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Serial.print("\t");
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Serial.println();
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}
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for (int i = -9100; i < -8900; i++)
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{
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Serial.print(tan(0.01 * i * PI / 180.0), 6);
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Serial.print("\t");
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Serial.print(itan(0.01 * i), 6);
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Serial.println();
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}
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for (int i = -100; i < 100; i++)
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{
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Serial.print(tan(0.1 * i * PI / 180.0), 6);
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Serial.print("\t");
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Serial.print(itan(0.1 * i), 6);
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Serial.println();
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}
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for (int i = 850; i < 950; i++)
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{
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Serial.print(tan(0.1 * i * PI / 180.0), 6);
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Serial.print("\t");
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Serial.print(itan(0.1 * i), 6);
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Serial.println();
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}
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Serial.println("done...\n");
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}
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void loop()
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{
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}
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// -- END OF FILE --
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