mathfem.C File Reference
Go to the source code of this file.
Namespaces | |
| oofem | |
| the oofem namespace is to define a context or scope in which all oofem names are defined. | |
Macros | |
| #define | CUBIC_ZERO 1.0e-100 |
Functions | |
| void | oofem::cubic (double a, double b, double c, double d, double *r1, double *r2, double *r3, int *num) |
| Solves cubic equation for real roots. More... | |
| void | oofem::cubic3r (double a, double b, double c, double d, double *r1, double *r2, double *r3, int *num) |
| Solves cubic equation for real roots, assuming that if cubic polynomial given then the only possibility is that only three real roots exists. More... | |
| int | oofem::iperm (int val, int rank) |
| Returns iperm of val, in specific rank. More... | |
| void | oofem::ls2fit (const FloatArray &x, const FloatArray &y, FloatArray &a) |
Least-square fit of 2nd degree polynomial  . More... | |
| double | oofem::signum (double i) |
| Returns the signum of given value (i = 0 returns 0, i < 0 returns -1, i > 0 returns 1) More... | |
Macro Definition Documentation
| #define CUBIC_ZERO 1.0e-100 |
Definition at line 40 of file mathfem.C.
Referenced by oofem::cubic(), and oofem::cubic3r().