| 2 |
|
static const char RCSid[] = "$Id$"; |
| 3 |
|
#endif |
| 4 |
|
/* |
| 5 |
< |
* Compute 4-byte direction code (assume this fits into int) |
| 5 |
> |
* Compute a 4-byte direction code (int4 type defined in standard.h). |
| 6 |
> |
* |
| 7 |
> |
* Mean accuracy is 0.0022 degrees, with a maximum error of 0.0058 degrees. |
| 8 |
|
*/ |
| 9 |
|
|
| 10 |
|
#include "standard.h" |
| 29 |
|
|
| 30 |
|
for (i = 0; i < 3; i++) |
| 31 |
|
if (dv[i] < 0.) { |
| 32 |
< |
cd[i] = dv[i] * -DCSCALE; |
| 32 |
> |
cd[i] = (int)(dv[i] * -DCSCALE); |
| 33 |
|
dc |= FXNEG<<i; |
| 34 |
|
} else |
| 35 |
< |
cd[i] = dv[i] * DCSCALE; |
| 35 |
> |
cd[i] = (int)(dv[i] * DCSCALE); |
| 36 |
|
if (cd[0] <= cd[1]) { |
| 37 |
|
dc |= F1X | cd[0] << F1SFT; |
| 38 |
|
cm = cd[1]; |
