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License: Other
Small ray tracing program for performance evaluation
License: Other
Line 456 in 928b200
replace
uint8_t *pixels, ...
with
uint8_t pixels[restrict static 1], ...
static
is because the compiler will know that pixels
is never called when NULL
so it'll optimize further.
cc -g -c -o main.o main.c -ltime
clang: warning: -ltime: 'linker' input unused
main.c:51:5: warning: implicit declaration of function 'clock_gettime' is
invalid in C99 [-Wimplicit-function-declaration]
clock_gettime(CLOCK_REALTIME, &start);
^
main.c:51:19: error: use of undeclared identifier 'CLOCK_REALTIME'
clock_gettime(CLOCK_REALTIME, &start);
^
main.c:54:19: error: use of undeclared identifier 'CLOCK_REALTIME'
clock_gettime(CLOCK_REALTIME, &end);
^
1 warning and 2 errors generated.
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