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Last change
on this file since 1491 was 732, checked in by tbretz, 24 years ago |
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| 1 | #include "slalib.h"
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| 2 | #include "slamac.h"
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| 3 | float slaVdv ( float va[3], float vb[3] )
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| 4 | /*
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| 5 | ** - - - - - - -
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| 6 | ** s l a V d v
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| 7 | ** - - - - - - -
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| 8 | **
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| 9 | ** Scalar product of two 3-vectors.
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| 10 | **
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| 11 | ** (single precision)
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| 12 | **
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| 13 | ** Given:
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| 14 | ** va float[3] first vector
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| 15 | ** vb float[3] second vector
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| 16 | **
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| 17 | ** The result is the scalar product va.vb (single precision).
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| 18 | **
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| 19 | ** Last revision: 15 July 1993
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| 20 | **
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| 21 | ** Copyright P.T.Wallace. All rights reserved.
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| 22 | */
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| 23 | {
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| 24 | return va[0] * vb[0] + va[1] * vb[1] + va[2] * vb[2];
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| 25 | }
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