Mercurial > cpython-lru_cache-weakref

annotate Python/hypot.c @ 44825:ef859cd754a7 legacy-trunk

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Fixed a wrong assumption in configure.in and Include/pyport.h. The is finite function is not called isfinite() but finite(). Sorry, my fault. :)
author Christian Heimes <christian@cheimes.de>
date Sun, 20 Jan 2008 14:28:28 +0000
parents 7bc4cc972b0b
children
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1 /* hypot() replacement */
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7bc4cc972b0b Merged revisions 58939-58946 via svnmerge from
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3 #include "Python.h"
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ef859cd754a7 Fixed a wrong assumption in configure.in and Include/pyport.h. The is finite function is not called isfinite() but finite(). Sorry, my fault. :)
Christian Heimes <christian@cheimes.de>
parents: 43829
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5 #ifndef HAVE_HYPOT
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f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
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6 double hypot(double x, double y)
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7 {
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8 double yx;
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9
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10 x = fabs(x);
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11 y = fabs(y);
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12 if (x < y) {
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13 double temp = x;
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14 x = y;
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15 y = temp;
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16 }
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17 if (x == 0.)
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18 return 0.;
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19 else {
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20 yx = y/x;
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21 return x*sqrt(1.+yx*yx);
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22 }
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23 }
44825
ef859cd754a7 Fixed a wrong assumption in configure.in and Include/pyport.h. The is finite function is not called isfinite() but finite(). Sorry, my fault. :)
Christian Heimes <christian@cheimes.de>
parents: 43829
diff changeset
24 #endif /* HAVE_HYPOT */
ef859cd754a7 Fixed a wrong assumption in configure.in and Include/pyport.h. The is finite function is not called isfinite() but finite(). Sorry, my fault. :)
Christian Heimes <christian@cheimes.de>
parents: 43829
diff changeset
25