Mercurial > cpython-lru_cache-weakref
view Python/hypot.c @ 73244:b48e1b48e670 2.5
2.5 is no longer maintained
| author | Martin v. Löwis <martin@v.loewis.de> |
|---|---|
| date | Mon, 31 Oct 2011 12:38:50 +0100 |
| parents | 2dea40e40d9d |
| children | 7bc4cc972b0b |
line wrap: on
line source
/* hypot() replacement */ #include "pyconfig.h" #include "pyport.h" double hypot(double x, double y) { double yx; x = fabs(x); y = fabs(y); if (x < y) { double temp = x; x = y; y = temp; } if (x == 0.) return 0.; else { yx = y/x; return x*sqrt(1.+yx*yx); } }
