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22 lines
413 B
C++
22 lines
413 B
C++
#include "interval.h"
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#include <assert.h>
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Graph::Interval::Interval(float start, float end, float step) :
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m_start(start),
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m_end(end),
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m_step(step)
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{
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}
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int Graph::Interval::numberOfElements() {
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if (m_start > m_end) {
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return 0;
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} else {
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return 1 + (m_end - m_start)/m_step;
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}
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}
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float Graph::Interval::element(int i) {
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assert(i >= 0 && i < numberOfElements());
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return m_start + i*m_step;
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} |