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gcc/libf2c/libF77/d_sign.c
Jeff Law 81fea2b1d1 * Previous contents of gcc/f/runtime moved into toplevel
"libf2c" directory.

From-SVN: r17568
1998-01-31 18:37:08 -07:00

13 lines
199 B
C

#include "f2c.h"
#ifdef KR_headers
double d_sign(a,b) doublereal *a, *b;
#else
double d_sign(doublereal *a, doublereal *b)
#endif
{
double x;
x = (*a >= 0 ? *a : - *a);
return( *b >= 0 ? x : -x);
}