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(-)hypot.3 (-5 / +13 lines)
Lines 38-45 Link Here
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.Sh NAME
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.Sh NAME
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.Nm hypot ,
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.Nm hypot ,
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.Nm hypotf ,
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.Nm hypotf ,
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.Nm hypotl ,
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.Nm cabs ,
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.Nm cabs ,
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.Nm cabsf
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.Nm cabsf ,
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.Nm cabsl
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.Nd Euclidean distance and complex absolute value functions
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.Nd Euclidean distance and complex absolute value functions
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.Sh LIBRARY
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.Sh LIBRARY
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.Lb libm
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.Lb libm
Lines 49-73 Link Here
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.Fn hypot "double x" "double y"
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.Fn hypot "double x" "double y"
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.Ft float
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.Ft float
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.Fn hypotf "float x" "float y"
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.Fn hypotf "float x" "float y"
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.Ft "long double"
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.Fn hypotl "long double x" "long double y"
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.In complex.h
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.In complex.h
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.Ft double
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.Ft double
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.Fn cabs "double complex z"
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.Fn cabs "double complex z"
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.Ft float
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.Ft float
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.Fn cabsf "float complex z"
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.Fn cabsf "float complex z"
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.Ft "long double"
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.Fn cabsl "long double complex z"
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.Sh DESCRIPTION
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.Sh DESCRIPTION
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The
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The
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.Fn hypot
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.Fn hypot ,
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.Fn hypotf ,
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and
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and
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.Fn hypotf
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.Fn hypotl
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functions
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functions
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compute the
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compute the
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sqrt(x*x+y*y)
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sqrt(x*x+y*y)
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in such a way that underflow will not happen, and overflow
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in such a way that underflow will not happen, and overflow
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occurs only if the final result deserves it.
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occurs only if the final result deserves it.
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The
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The
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.Fn cabs
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.Fn cabs ,
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.Fn cabsf ,
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and
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and
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.Fn cabsf
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.Fn cabsl
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functions compute the complex absolute value of
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functions compute the complex absolute value of
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.Fa z .
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.Fa z .
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.Pp
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.Pp

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