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cpython/Python/hypot.c
Christian Heimes 32fbe59978 Merged revisions 58939-58946 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r58940 | martin.v.loewis | 2007-11-12 05:53:02 +0100 (Mon, 12 Nov 2007) | 3 lines

  Only set rl_completion_display_matches_hook if there
  is a Python hook function. Fixes #1425.
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  r58941 | martin.v.loewis | 2007-11-12 06:14:05 +0100 (Mon, 12 Nov 2007) | 2 lines

  Patch #1418: Make the AC_REPLACE_FUNCS object files actually work.
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  r58942 | walter.doerwald | 2007-11-12 11:01:33 +0100 (Mon, 12 Nov 2007) | 2 lines

  Fix TextCalendar.prweek(). This closes issue #1427.
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2007-11-12 15:01:33 +00:00

23 lines
260 B
C

/* hypot() replacement */
#include "Python.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);
}
}