68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
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//#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//# Author: Piyush Agram
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//# Copyright 2013, by the California Institute of Technology. ALL RIGHTS RESERVED.
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//# United States Government Sponsorship acknowledged.
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//# Any commercial use must be negotiated with the Office of Technology Transfer at
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//# the California Institute of Technology.
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//# This software may be subject to U.S. export control laws.
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//# By accepting this software, the user agrees to comply with all applicable U.S.
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//# export laws and regulations. User has the responsibility to obtain export licenses,
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//# or other export authority as may be required before exporting such information to
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//# foreign countries or providing access to foreign persons.
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//#
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//#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#ifndef poly1d_h
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#define poly1d_h
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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typedef struct cPoly1d
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{
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int order; //Python range order
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double mean; //Python mean
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double norm; //Python norm
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double *coeffs; //Python coeffs in row major order
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} cPoly1d;
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//To evaluate polynomial
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double evalPoly1d(cPoly1d* poly, double x);
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//To modify the reference point for polynomial
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void modifyMean1d(cPoly1d* src, cPoly1d* targ, double off);
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//To modify the scaling factors for polynomial
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void modifyNorm1d(cPoly1d* src, cPoly1d* targ, double norm);
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//Modify one polynomial to that of another order
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void scalePoly1d(cPoly1d* src, cPoly1d* targ, double minx, double maxx);
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//Get / Set
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void setCoeff1d(cPoly1d* src, int i, double value);
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double getCoeff1d(cPoly1d* src, int i);
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//Basis for polynomial fitting
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void getBasis1d(cPoly1d *src, double xin, int* indices, double* values, int len);
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//Create/Destroy
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cPoly1d* createPoly1d(int order);
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void initPoly1d(cPoly1d* poly, int order);
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void deletePoly1d(cPoly1d *src);
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void cleanPoly1d(cPoly1d *src);
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//Print for debugging
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void printPoly1d(cPoly1d* poly);
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#ifdef __cplusplus
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}
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#endif
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#endif
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