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@x42
x42 / peak_calc.cc
Last active September 24, 2021 16:20
// -- Linux / Intel --
// g++ -o peak_calc peak_calc.cc -Wall -mavx -lm -O3 -fopt-info && ./peak_calc
// g++ -o peak_calc peak_calc.cc -Wall -msse2 -lm -O3 -fopt-info && ./peak_calc
//
// -- Linux / ARM --
// g++ -o peak_calc peak_calc.cc -Wall -lm -O3 && ./peak_calc
// g++ -o peak_calc peak_calc.cc -Wall -mfpu=neon-vfpv4 -lm -O3 && ./peak_calc
//
// -- macOS --
// g++ -o peak_calc peak_calc.cc -Wall -lm -O3 -framework Accelerate
#include <stdio.h> // for printf
#include <math.h> // for testing only, not used by cordic
#include "cordic-32bit.h" // for actual cordic algo
//Print out sin(x) vs fp CORDIC sin(x)
int main(int argc, char **argv)
{
float p;
// sin_int, cos_in;
@aallan
aallan / mac-vendor.txt
Last active April 11, 2024 18:47
List of MAC addresses with vendors identities
000000 Officially Xerox
000001 SuperLAN-2U
000002 BBN (was internal usage only, no longer used)
000003 XEROX CORPORATION
000004 XEROX CORPORATION
000005 XEROX CORPORATION
000006 XEROX CORPORATION
000007 XEROX CORPORATION
000008 XEROX CORPORATION
000009 powerpipes?
@codebrainz
codebrainz / c99.l
Created June 14, 2012 23:49
C99 Lex/Flex & YACC/Bison Grammars
D [0-9]
L [a-zA-Z_]
H [a-fA-F0-9]
E ([Ee][+-]?{D}+)
P ([Pp][+-]?{D}+)
FS (f|F|l|L)
IS ((u|U)|(u|U)?(l|L|ll|LL)|(l|L|ll|LL)(u|U))
%{
#include <stdio.h>