1998-02-01 09:37:08 +08:00
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#include "f2c.h"
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2002-06-01 20:38:32 +08:00
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double
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d_sign (doublereal * a, doublereal * b)
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1998-02-01 09:37:08 +08:00
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{
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2002-06-01 20:38:32 +08:00
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double x;
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x = (*a >= 0 ? *a : -*a);
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return (*b >= 0 ? x : -x);
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1998-02-01 09:37:08 +08:00
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}
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