Last change
on this file since 89 was 89, checked in by morasjul, 11 years ago |
PACPUS 2.0 Beta deployed in new branch
Major changes:
-Add communication interface between components
-Add examples for communications interface (TestComponents)
-Move to Qt5 support
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-
Property svn:executable
set to
*
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File size:
517 bytes
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[89] | 1 | #ifndef __HELPER_H__
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| 2 | #define __HELPER_H__
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| 3 |
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| 4 | #include <math.h>
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| 5 | #include <float.h>
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| 6 | #include <vector>
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| 7 | #include <algorithm>
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| 8 |
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| 9 | namespace
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| 10 | {
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| 11 | inline double Min_(double a, double b)
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| 12 | {
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| 13 | return (a<b) ? a : b;
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| 14 | }
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| 15 | }
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| 16 |
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| 17 | namespace Qwt3D
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| 18 | {
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| 19 |
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| 20 | inline bool isPracticallyZero(double a, double b = 0)
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| 21 | {
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| 22 | if (!b)
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| 23 | return (fabs (a) <= DBL_MIN);
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| 24 |
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| 25 | return (fabs (a - b) <= Min_(fabs(a), fabs(b))*DBL_EPSILON);
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| 26 | }
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| 27 |
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| 28 | inline int round(double d)
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| 29 | {
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| 30 | return (d>0) ? int(d+0.5) : int(d-0.5);
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| 31 | }
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| 32 |
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| 33 |
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| 34 | } //ns
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| 35 |
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| 36 | #endif
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