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13 lines
199 B
13 lines
199 B
#ifndef __SGN_H__
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#define __SGN_H__
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inline float sgn(float x)
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{
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if ( x == 0 )
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return 0.0f;
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if ( x > 0)
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return 1.0f;
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else
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return -1.0f;
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}
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#endif
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