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2.1.10p492(2016-04-01revision54464)
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missing
hypot.c
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/* public domain rewrite of hypot */
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#include "
ruby/missing.h
"
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#include <math.h>
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double
hypot
(
double
x,
double
y)
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{
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if
(x < 0) x = -x;
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if
(y < 0) y = -y;
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if
(x < y) {
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double
tmp
= x;
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x = y; y =
tmp
;
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}
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if
(y == 0.0)
return
x;
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y /= x;
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return
x * sqrt(1.0+y*y);
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}
missing.h
tmp
tmp
Definition:
enum.c:447
hypot
RUBY_EXTERN double hypot(double, double)
Definition:
hypot.c:6
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