| lapy3(3) | Library Functions Manual | lapy3(3) |
NAME
lapy3 - lapy3: robust sqrt( x^2 + y^2 + z^2 )
SYNOPSIS
Functions
double precision function dlapy3 (x, y, z)
DLAPY3 returns sqrt(x2+y2+z2). real function slapy3 (x, y, z)
SLAPY3 returns sqrt(x2+y2+z2).
Detailed Description
Function Documentation
double precision function dlapy3 (double precision x, double precision y, double precision z)
DLAPY3 returns sqrt(x2+y2+z2).
Purpose:
DLAPY3 returns sqrt(x**2+y**2+z**2), taking care not to cause unnecessary overflow and unnecessary underflow.
Parameters
X
X is DOUBLE PRECISION
Y
Y is DOUBLE PRECISION
Z
Z is DOUBLE PRECISION
X, Y and Z specify the values x, y and z.
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Definition at line 67 of file dlapy3.f.
real function slapy3 (real x, real y, real z)
SLAPY3 returns sqrt(x2+y2+z2).
Purpose:
SLAPY3 returns sqrt(x**2+y**2+z**2), taking care not to cause unnecessary overflow and unnecessary underflow.
Parameters
X
X is REAL
Y
Y is REAL
Z
Z is REAL
X, Y and Z specify the values x, y and z.
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Definition at line 67 of file slapy3.f.
Author
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