13 lines
199 B
C
13 lines
199 B
C
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#include "f2c.h"
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#ifdef KR_headers
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double d_sign(a,b) doublereal *a, *b;
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#else
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double d_sign(doublereal *a, doublereal *b)
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#endif
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{
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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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}
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