cpython/Python/hypot.c
Christian Heimes 9bd667ad03 Merged revisions 60124-60142 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r60131 | georg.brandl | 2008-01-20 12:13:29 +0100 (Sun, 20 Jan 2008) | 3 lines

  #1351692: in pprint, always call format() for dict and list items to enable
  custom formatting of contents via subclassing PrettyPrinter.
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  r60133 | georg.brandl | 2008-01-20 12:43:03 +0100 (Sun, 20 Jan 2008) | 2 lines

  #1178141: add addinfourl.code to get http status code from urllib.
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  r60134 | georg.brandl | 2008-01-20 13:05:43 +0100 (Sun, 20 Jan 2008) | 4 lines

  #856047: respect the ``no_proxy`` env var when checking for proxies
  in urllib and using the other ``_proxy`` env vars.
  Original patch by Donovan Baarda.
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  r60135 | georg.brandl | 2008-01-20 13:18:17 +0100 (Sun, 20 Jan 2008) | 4 lines

  #1664522: in urllib, don't read non-existing directories in ftp mode,
  returning a 0-byte file -- raise an IOError instead.
  Original patch from Phil Knirsch.
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  r60136 | georg.brandl | 2008-01-20 13:57:47 +0100 (Sun, 20 Jan 2008) | 2 lines

  #799369: document possible sys.platform values.
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  r60137 | georg.brandl | 2008-01-20 14:08:37 +0100 (Sun, 20 Jan 2008) | 2 lines

  #652749: document the constants added to the builtins by site.py.
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  r60138 | georg.brandl | 2008-01-20 14:59:46 +0100 (Sun, 20 Jan 2008) | 2 lines

  #1648: add sys.gettrace() and sys.getprofile().
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  r60139 | georg.brandl | 2008-01-20 15:17:42 +0100 (Sun, 20 Jan 2008) | 2 lines

  #1669: don't allow shutil.rmtree() to be called on a symlink.
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  r60140 | georg.brandl | 2008-01-20 15:20:02 +0100 (Sun, 20 Jan 2008) | 2 lines

  Fix test_pyclbr after urllib change.
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  r60141 | christian.heimes | 2008-01-20 15:28:28 +0100 (Sun, 20 Jan 2008) | 1 line

  Fixed a wrong assumption in configure.in and Include/pyport.h. The is finite function is not called isfinite() but finite(). Sorry, my fault. :)
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  r60142 | georg.brandl | 2008-01-20 15:31:27 +0100 (Sun, 20 Jan 2008) | 2 lines

  #1876: fix typos in test_operator.
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2008-01-20 15:14:11 +00:00

26 lines
304 B
C

/* hypot() replacement */
#include "Python.h"
#ifndef HAVE_HYPOT
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);
}
}
#endif /* HAVE_HYPOT */