61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
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#ifndef _BUFFER_GUARD
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#define _BUFFER_GUARD
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#include "util.h"
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void
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aggregateBuffer(float bufferIn[], int lengthIn, float bufferOut[], int lengthOut, int groupSize)
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{
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int requiredGroups = ceil((float)lengthIn/groupSize);
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int finalGroupSize = (lengthIn % groupSize) * groupSize;
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if(requiredGroups > lengthOut)
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{
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putFloat((float)lengthIn/groupSize);
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printf(" length out buffer required, %i provided", lengthOut);
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return;
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}
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int g;// for group number
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for(g = 0; g < requiredGroups; g++)
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{
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int length = groupSize;
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if(g == requiredGroups - 1 && finalGroupSize != 0) length = finalGroupSize;
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bufferOut[g] = calculateMean(&bufferIn + (g*groupSize), length);
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}
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}
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void
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clearBuffer(float buffer[], int length)
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{
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if(length > 0)
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{
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int i;
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for(i = 0; i < length; i++)
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{
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buffer[i] = 0.0;
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}
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}
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}
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void
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printBuffer(float buffer[], int length)
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{
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putchar('[');
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if(length > 0)
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{
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int i;
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for(i = 0; i < length; i++)
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{
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if(i > 0) printf(", ");
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putFloat(buffer[i]);
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}
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}
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putchar(']');
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}
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#endif
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