Muldersoft/LameXP
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Apply Horner scheme to avoid costly exponentiation.

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LoRd_MuldeR 2011-11-28 15:38:45 +01:00
parent 5585d53fc7
commit d5c5aacb8b
1 changed files with 1 additions and 2 deletions
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3
src/Dialog_Processing.cpp
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@ -74,7 +74,6 @@
//Function to calculate the number of instances
static int cores2instances(int cores);
static QString time2text(const double timeVal);
////////////////////////////////////////////////////////////
@ -1053,7 +1052,7 @@ static int cores2instances(int cores)
{
if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
{
y = (LUT[i][1] * pow(x, 3.0)) + (LUT[i][2] * pow(x, 2.0)) + (LUT[i][3] * x) + LUT[i][4];
y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
break;
}
}