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Rev 154 |
extern float A[], B[];
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extern float A[], B[];
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extern float MAXNUMF;
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extern float MAXNUMF;
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float chbevlf(float, float *, int);
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float chbevlf(float, float *, int);
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float expf(float), i1f(float), logf(float), sqrtf(float);
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float expf(float), i1f(float), logf(float), sqrtf(float);
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float k1f(float xx)
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float k1f(float xx)
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{
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{
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float x, y;
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float x, y;
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x = xx;
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x = xx;
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if( x <= 2.0 )
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if( x <= 2.0 )
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{
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{
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y = x * x - 2.0;
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y = x * x - 2.0;
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y = logf( 0.5f * x ) * i1f(x) + chbevlf( y, A, 7 ) / x;
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y = logf( 0.5f * x ) * i1f(x) + chbevlf( y, A, 7 ) / x;
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return( y );
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return( y );
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}
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}
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return( expf(-x) * chbevlf( (float)(8.0/x - 2.0), B, 10 ) / sqrtf(x) );
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return( expf(-x) * chbevlf( (float)(8.0/x - 2.0), B, 10 ) / sqrtf(x) );
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}
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}
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