improve readability
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66c5034ddc
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@ -226,11 +226,9 @@ int table2D_getValue(struct table2D *fromTable, int X_in)
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bool valueFound = false;
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int X = X_in;
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int xMinValue, xMaxValue;
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int xMin = 0;
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int xMax = 0;
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int xMinValue = table2D_getAxisValue(fromTable, 0);
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int xMaxValue = table2D_getAxisValue(fromTable, fromTable->xSize-1);
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int xMax = fromTable->xSize-1;
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//Check whether the X input is the same as last time this ran
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if( (X_in == fromTable->lastInput) && (fromTable->cacheTime == currentStatus.secl) )
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@ -239,14 +237,14 @@ int table2D_getValue(struct table2D *fromTable, int X_in)
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valueFound = true;
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}
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//If the requested X value is greater/small than the maximum/minimum bin, simply return that value
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else if(X > xMaxValue)
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else if(X >= table2D_getAxisValue(fromTable, xMax))
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{
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returnValue = xMaxValue;
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returnValue = table2D_getRawValue(fromTable, xMax);
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valueFound = true;
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}
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else if(X < xMinValue)
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else if(X <= table2D_getAxisValue(fromTable, xMin))
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{
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returnValue = xMinValue;
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returnValue = table2D_getRawValue(fromTable, xMin);
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valueFound = true;
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}
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//Finally if none of that is found
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@ -265,11 +263,11 @@ int table2D_getValue(struct table2D *fromTable, int X_in)
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else
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{
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//If we're not in the same bin, loop through to find where we are
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xMinValue = table2D_getAxisValue(fromTable, fromTable->xSize-1);
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xMinValue = table2D_getAxisValue(fromTable, fromTable->xSize-1); // init xMinValue so it has the good value 3 lines below.
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for (int x = fromTable->xSize-1; x >= 0; x--)
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{
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xMaxValue = xMinValue;
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xMinValue = table2D_getAxisValue(fromTable, x-1);
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xMaxValue = xMinValue; // we moved one cell below, the last Min is now the Max
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xMinValue = table2D_getAxisValue(fromTable, x-1); // fetch next Min
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//Checks the case where the X value is exactly what was requested
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if ( (X == xMaxValue) || (x == 0) )
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@ -299,21 +297,20 @@ int table2D_getValue(struct table2D *fromTable, int X_in)
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int16_t m = X - xMinValue;
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int16_t n = xMaxValue - xMinValue;
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xMax = table2D_getRawValue(fromTable, xMax);
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xMin = table2D_getRawValue(fromTable, xMin);
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int16_t yMax = table2D_getRawValue(fromTable, xMax);
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int16_t yMin = table2D_getRawValue(fromTable, xMin);
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//Float version
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/*
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int yVal = (m / n) * (abs(fromTable.values[xMax] - fromTable.values[xMin]));
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int yVal = (m / n) * (abs(yMax - yMin));
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*/
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//Non-Float version
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int16_t yVal;
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yVal = ((long)(m << 6) / n) * (abs(xMax - xMin));
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int16_t yVal = ((long)(m << 6) / n) * (abs(yMax - yMin));
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yVal = (yVal >> 6);
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if (xMax > xMin) { yVal = xMin + yVal; }
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else { yVal = xMin - yVal; }
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if (yMax > yMin) { yVal = yMin + yVal; }
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else { yVal = yMin - yVal; }
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returnValue = yVal;
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}
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