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d_sign.c File Reference

#include "f2c.h"

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Functions

double d_sign (doublereal *a, doublereal *b)

Function Documentation

double d_sign (  doublereal *    a,
doublereal *    b
) 
 

Definition at line 6 of file d_sign.c.

References a.

Referenced by bandv_(), bqr_(), hqr2_(), hqr_(), imtql1_(), imtql2_(), imtqlv_(), minfit_(), orthes_(), qzhes_(), qzit_(), qzval_(), svd_(), tql1_(), tql2_(), tqlrat_(), tred1_(), tred2_(), and tred3_(). 

00008 {
00009 double x;
00010 x = (*a >= 0 ? *a : - *a);
00011 return( *b >= 0 ? x : -x);
00012 }
 
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