Ruby
2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
missing
hypot.c
Go to the documentation of this file.
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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
sqrt
double sqrt(double)
hypot
double hypot(double x, double y)
Definition:
hypot.c:6
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