Diff: ByteOperations.h

Revision:

0:e559b5160d84

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ByteOperations.h	Wed Dec 16 19:49:47 2015 +0000
@@ -0,0 +1,278 @@
+#ifndef BYTEOPERATION_H_
+#define BYTEOPERATION_H_
+
+#include <stdint.h>
+
+/* low index equals low nibble */
+/* Write 32 bit var to 4 bytes */
+void write_32_to_8(int *i, uint8_t dst[], uint32_t src);
+
+/* Write 16 bit var to 2 bytes */
+void write_16_to_8(int *i, uint8_t dst[], uint16_t src);
+
+/* Write 4 bytes to 32 bit var*/
+uint32_t read_8_to_32(int *i, uint8_t *src);
+
+/* Write 2 bytes to 16 bit var*/
+uint16_t read_8_to_16(int *i, uint8_t *src);
+
+
+const uint8_t logaritmify[0xFF] = {
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+1  ,
+2  ,
+2  ,
+2  ,
+2  ,
+2  ,
+2  ,
+2  ,
+2  ,
+2  ,
+2  ,
+2  ,
+2  ,
+2  ,
+3  ,
+3  ,
+3  ,
+3  ,
+3  ,
+3  ,
+3  ,
+3  ,
+3  ,
+3  ,
+3  ,
+4  ,
+4  ,
+4  ,
+4  ,
+4  ,
+4  ,
+4  ,
+4  ,
+5  ,
+5  ,
+5  ,
+5  ,
+5  ,
+5  ,
+5  ,
+6  ,
+6  ,
+6  ,
+6  ,
+6  ,
+6  ,
+7  ,
+7  ,
+7  ,
+7  ,
+7  ,
+7  ,
+8  ,
+8  ,
+8  ,
+8  ,
+9  ,
+9  ,
+9  ,
+9  ,
+9  ,
+10 ,
+10 ,
+10 ,
+10 ,
+11 ,
+11 ,
+11 ,
+11 ,
+12 ,
+12 ,
+12 ,
+13 ,
+13 ,
+13 ,
+14 ,
+14 ,
+14 ,
+15 ,
+15 ,
+15 ,
+16 ,
+16 ,
+16 ,
+17 ,
+17 ,
+18 ,
+18 ,
+19 ,
+19 ,
+19 ,
+20 ,
+20 ,
+21 ,
+21 ,
+22 ,
+22 ,
+23 ,
+23 ,
+24 ,
+25 ,
+25 ,
+26 ,
+26 ,
+27 ,
+28 ,
+28 ,
+29 ,
+29 ,
+30 ,
+31 ,
+32 ,
+32 ,
+33 ,
+34 ,
+35 ,
+35 ,
+36 ,
+37 ,
+38 ,
+39 ,
+40 ,
+40 ,
+41 ,
+42 ,
+43 ,
+44 ,
+45 ,
+46 ,
+47 ,
+48 ,
+50 ,
+51 ,
+52 ,
+53 ,
+54 ,
+55 ,
+57 ,
+58 ,
+59 ,
+61 ,
+62 ,
+63 ,
+65 ,
+66 ,
+68 ,
+69 ,
+71 ,
+72 ,
+74 ,
+76 ,
+77 ,
+79 ,
+81 ,
+83 ,
+85 ,
+86 ,
+88 ,
+90 ,
+92 ,
+94 ,
+97 ,
+99 ,
+101,
+103,
+105,
+108,
+110,
+113,
+115,
+118,
+120,
+123,
+126,
+129,
+131,
+134,
+137,
+140,
+143,
+147,
+150,
+153,
+157,
+160,
+164,
+167,
+171,
+175,
+179,
+183,
+187,
+191,
+195,
+199,
+204,
+208,
+213,
+218,
+222,
+227,
+232,
+237,
+243,
+248};
+
+#endif
+