diff options
| -rw-r--r-- | apps/plugins/lib/gray_core.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/apps/plugins/lib/gray_core.c b/apps/plugins/lib/gray_core.c index 5f565218ff..a9a3e7698f 100644 --- a/apps/plugins/lib/gray_core.c +++ b/apps/plugins/lib/gray_core.c | |||
| @@ -200,25 +200,11 @@ static int exp_s16p16(int x) | |||
| 200 | int t; | 200 | int t; |
| 201 | int y = 0x00010000; | 201 | int y = 0x00010000; |
| 202 | 202 | ||
| 203 | if (x == 0) | 203 | if (x < 0) x += 0xb1721, y >>= 16; |
| 204 | { | 204 | t = x - 0x58b91; if (t >= 0) x = t, y <<= 8; |
| 205 | return y; | 205 | t = x - 0x2c5c8; if (t >= 0) x = t, y <<= 4; |
| 206 | } | 206 | t = x - 0x162e4; if (t >= 0) x = t, y <<= 2; |
| 207 | else if (x > 0) | 207 | t = x - 0x0b172; if (t >= 0) x = t, y <<= 1; |
| 208 | { | ||
| 209 | t = x - 0x58b91; if (t >= 0) x = t, y <<= 8; | ||
| 210 | t = x - 0x2c5c8; if (t >= 0) x = t, y <<= 4; | ||
| 211 | t = x - 0x162e4; if (t >= 0) x = t, y <<= 2; | ||
| 212 | t = x - 0x0b172; if (t >= 0) x = t, y <<= 1; | ||
| 213 | } | ||
| 214 | else | ||
| 215 | { | ||
| 216 | t = x + 0x58b91; if (t < 0) x = t, y >>= 8; | ||
| 217 | t = x + 0x2c5c8; if (t < 0) x = t, y >>= 4; | ||
| 218 | t = x + 0x162e4; if (t < 0) x = t, y >>= 2; | ||
| 219 | t = x + 0x0b172; if (t < 0) x = t, y >>= 1; | ||
| 220 | x += 0x0b172; y >>= 1; | ||
| 221 | } | ||
| 222 | t = x - 0x067cd; if (t >= 0) x = t, y += y >> 1; | 208 | t = x - 0x067cd; if (t >= 0) x = t, y += y >> 1; |
| 223 | t = x - 0x03920; if (t >= 0) x = t, y += y >> 2; | 209 | t = x - 0x03920; if (t >= 0) x = t, y += y >> 2; |
| 224 | t = x - 0x01e27; if (t >= 0) x = t, y += y >> 3; | 210 | t = x - 0x01e27; if (t >= 0) x = t, y += y >> 3; |