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* resample.h - based on code from version 3.6-0 of the Eclipse library (ESO)
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* see http://www.eso.org/eclipse for further details
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#ifndef _PDL_RESAMPLE_H_
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#define _PDL_RESAMPLE_H_
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/* Number of tabulations in kernel */
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#define TABSPERPIX (1000)
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#define KERNEL_WIDTH (2.0)
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#define KERNEL_SAMPLES (1+(int)(TABSPERPIX * KERNEL_WIDTH))
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#define TANH_STEEPNESS (5.0)
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#define PI_NUMB (3.1415926535897932384626433832795)
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/* declare functions */
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poly2d_compute( int ncoeff, double *c, double u, double *vpow );
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generate_interpolation_kernel(char * kernel_type);