I can't tell because my C skills are pretty bad but looking at fmax and fmin,
I'm worried that the X and Y axis might be flipped for example:
LinuxCNC from rtapi_math.h:
extern __inline double fmax(double __y, double __x) {
return __y > __x || __builtin_isnan(__x) ? __y : __x;
}
extern __inline double fmin(double __y, double __x) {
return __y < __x || __builtin_isnan(__x) ? __y : __x;
}
RTAI from musl/libm/f{max,min}.c:
double fmax(double x, double y)
{
if (isnan(x))
return y;
if (isnan(y))
return x;
/* handle signed zeros, see C99 Annex F.9.9.2 */
if (signbit(x) != signbit(y))
return signbit(x) ? y : x;
return x < y ? y : x;
}
double fmin(double x, double y)
{
if (isnan(x))
return y;
if (isnan(y))
return x;
/* handle signed zeros, see C99 Annex F.9.9.2 */
if (signbit(x) != signbit(y))
return signbit(x) ? x : y;
return x < y ? x : y;
}
Or maybe everything will just work perfectly fine! :-)
Alec
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