Overview
| Comment: | Stripped template stuff. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | origin/master | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
04ebf6e80f5b359ba7128a4531881130 |
| User & Date: | geraint@users.sourceforge.net on 2001-04-30 03:02:52.000 |
| Other Links: | branch diff | manifest | tags |
Context
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2001-05-01
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| 14:16:06 | New P+D controller for collocated use and effort output check-in: 2051145c7a user: gawthrop@users.sourceforge.net tags: origin/master, trunk | |
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2001-04-30
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| 03:02:53 | Created branch numerical-algebraic-solution check-in: 985ebf5c93 user: gawthrop@users.sourceforge.net tags: origin/numerical-algebraic-solution, trunk | |
| 03:02:52 | Stripped template stuff. check-in: 04ebf6e80f user: geraint@users.sourceforge.net tags: origin/master, trunk | |
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2001-04-28
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| 03:38:36 | Refined selection of matching patterns - checks for exact match. check-in: f8ed71926b user: geraint@users.sourceforge.net tags: origin/master, trunk | |
Changes
Modified mttroot/mtt/cc/include/useful-functions.hh
from [1c223463ca]
to [61119a71b8].
1 2 3 4 5 6 | #define pi 3.14159 // Predefine pi #ifndef HAVE_USEFUL_FUNCTIONS_HH #define HAVE_USEFUL_FUNCTIONS_HH | | < < < < | < < < < | < < < | | < > > | < > | < < < | | | < < < < | < > < < < < < < < | < < < < < < < < < < < < | | | | | | | | | | | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 |
#define pi 3.14159 // Predefine pi
#ifndef HAVE_USEFUL_FUNCTIONS_HH
#define HAVE_USEFUL_FUNCTIONS_HH
#ifndef __cplusplus
#define inline /* strip */
typedef double doubleref_t;
#else
typedef double &doubleref_t;
#endif // ! __cplusplus
static inline double
max (const doubleref_t x1, const doubleref_t x2)
{
return static_cast<double>((x1 >= x2) ? x1 : (x1 < x2) ? x2 : 0);
}
static inline double
min (const doubleref_t x1, const doubleref_t x2)
{
return static_cast<double>((x1 <= x2) ? x1 : (x1 > x2) ? x2 : 0);
}
static inline double
nonsingular (const doubleref_t x)
{
return static_cast<double>((x == 0) ? 1.0e-30 : x);
}
static inline double
sign (const doubleref_t x)
{
return static_cast<double>((x > 0) ? +1 : (x < 0) ? -1 : 0);
}
// Octave functions
#ifdef __cplusplus
static Matrix
ones (const int r = 1, const int c = 1)
{
Matrix m (r, c, 1.0);
return m;
}
static ColumnVector
nozeros (const ColumnVector v0, const double tol = 0.0)
{
ColumnVector v (v0.length ());
register int i, j;
for (i = j = 0; i < v.length (); i++)
if (tol < abs (v0 (i)))
{
v (j) = v0 (i);
j++;
}
if (0 == j)
{
return *new ColumnVector ();
}
else
{
return (v.extract (0, --j));
}
}
static ColumnVector
zeros (const int r)
{
ColumnVector v (r, 0.0);
return v;
}
static Matrix
zeros (const int r, const int c)
{
Matrix m (r, c, 0.0);
return m;
}
#endif __cplusplus
#endif // HAVE_USEFUL_FUNCTIONS_HH
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