rfl890
rfl890
/ canon.c
Last active
December 8, 2024 23:35
— forked from hypernewbie/canon.c
Pachelbel’s Canon in Dmaj in 73 lines of obfuscated C
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| /* make canon; ./canon | aplay -r 44100 -f U8 */ | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <math.h> | |
| #define rs (1.0/44100.0) | |
| #define fr(x) (440*pow(2,(x-57)*(1.0/12))) | |
| #define s(x, n) sin((x=(x+fr(n)*rs))*6.2831853) | |
| #define tf (((1.0/rs)*60.)*.25/160.0) | |
| #define gv(c) (c-(c>'9'?('a'-10):'0')) | |
| #define gct(i) (gv(ct[(i)*3]) << 8)+(gv(ct[(i)*3+1]) << 4)+(gv(ct[(i)*3+2])) |