Changeset 258 for inundation/ga/storm_surge/pyvolution/util_ext.c
- Timestamp:
- Sep 1, 2004, 2:31:48 AM (20 years ago)
- File:
-
- 1 edited
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inundation/ga/storm_surge/pyvolution/util_ext.c
r240 r258 14 14 #include "math.h" 15 15 16 17 int _gradient(double x0, double y0, 18 double x1, double y1, 19 double x2, double y2, 20 double q0, double q1, double q2, 21 double *a, double *b) { 22 23 double det; 24 25 det = (y2-y0)*(x1-x0) - (y1-y0)*(x2-x0); 26 27 *a = (y2-y0)*(q1-q0) - (y1-y0)*(q2-q0); 28 *a /= det; 29 30 *b = (x1-x0)*(q2-q0) - (x2-x0)*(q1-q0); 31 *b /= det; 32 33 return 0; 34 } 35 16 //Shared snippets 17 #include "util_ext.h" 36 18 37 19
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