Mercurial > ~darius > hgwebdir.cgi > splitbrain

diff shore/log_lookup.h @ 0:fe0a2f223e10

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial commit of split brain code for the Sea Dragon.
author Daniel O'Connor <darius@dons.net.au>
date Sat, 11 Jul 2015 15:20:05 +0930
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/shore/log_lookup.h	Sat Jul 11 15:20:05 2015 +0930
@@ -0,0 +1,262 @@
+// Logarithmic transfer function
+// Generated using..
+// map(lambda x: int(math.log(x) * 255 / 2.2), numpy.linspace(1, math.exp(2.2), 256))
+
+const uint8_t log_lookup[] PROGMEM = {
+ 0,
+ 3,
+ 7,
+ 10,
+ 13,
+ 16,
+ 20,
+ 23,
+ 26,
+ 28,
+ 31,
+ 34,
+ 37,
+ 39,
+ 42,
+ 44,
+ 47,
+ 49,
+ 52,
+ 54,
+ 56,
+ 58,
+ 60,
+ 63,
+ 65,
+ 67,
+ 69,
+ 71,
+ 73,
+ 75,
+ 77,
+ 78,
+ 80,
+ 82,
+ 84,
+ 86,
+ 87,
+ 89,
+ 91,
+ 92,
+ 94,
+ 96,
+ 97,
+ 99,
+ 100,
+ 102,
+ 103,
+ 105,
+ 106,
+ 108,
+ 109,
+ 110,
+ 112,
+ 113,
+ 115,
+ 116,
+ 117,
+ 119,
+ 120,
+ 121,
+ 122,
+ 124,
+ 125,
+ 126,
+ 127,
+ 129,
+ 130,
+ 131,
+ 132,
+ 133,
+ 134,
+ 136,
+ 137,
+ 138,
+ 139,
+ 140,
+ 141,
+ 142,
+ 143,
+ 144,
+ 145,
+ 146,
+ 147,
+ 148,
+ 149,
+ 150,
+ 151,
+ 152,
+ 153,
+ 154,
+ 155,
+ 156,
+ 157,
+ 158,
+ 159,
+ 160,
+ 161,
+ 162,
+ 163,
+ 163,
+ 164,
+ 165,
+ 166,
+ 167,
+ 168,
+ 169,
+ 170,
+ 170,
+ 171,
+ 172,
+ 173,
+ 174,
+ 174,
+ 175,
+ 176,
+ 177,
+ 178,
+ 178,
+ 179,
+ 180,
+ 181,
+ 182,
+ 182,
+ 183,
+ 184,
+ 185,
+ 185,
+ 186,
+ 187,
+ 187,
+ 188,
+ 189,
+ 190,
+ 190,
+ 191,
+ 192,
+ 192,
+ 193,
+ 194,
+ 194,
+ 195,
+ 196,
+ 196,
+ 197,
+ 198,
+ 198,
+ 199,
+ 200,
+ 200,
+ 201,
+ 202,
+ 202,
+ 203,
+ 204,
+ 204,
+ 205,
+ 205,
+ 206,
+ 207,
+ 207,
+ 208,
+ 208,
+ 209,
+ 210,
+ 210,
+ 211,
+ 211,
+ 212,
+ 213,
+ 213,
+ 214,
+ 214,
+ 215,
+ 215,
+ 216,
+ 217,
+ 217,
+ 218,
+ 218,
+ 219,
+ 219,
+ 220,
+ 220,
+ 221,
+ 222,
+ 222,
+ 223,
+ 223,
+ 224,
+ 224,
+ 225,
+ 225,
+ 226,
+ 226,
+ 227,
+ 227,
+ 228,
+ 228,
+ 229,
+ 229,
+ 230,
+ 230,
+ 231,
+ 231,
+ 232,
+ 232,
+ 233,
+ 233,
+ 234,
+ 234,
+ 235,
+ 235,
+ 236,
+ 236,
+ 237,
+ 237,
+ 238,
+ 238,
+ 238,
+ 239,
+ 239,
+ 240,
+ 240,
+ 241,
+ 241,
+ 242,
+ 242,
+ 243,
+ 243,
+ 243,
+ 244,
+ 244,
+ 245,
+ 245,
+ 246,
+ 246,
+ 247,
+ 247,
+ 247,
+ 248,
+ 248,
+ 249,
+ 249,
+ 250,
+ 250,
+ 250,
+ 251,
+ 251,
+ 252,
+ 252,
+ 252,
+ 253,
+ 253,
+ 254,
+ 254,
+ 255
+};