50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/*
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** Copyright 1992, Silicon Graphics, Inc.
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** All Rights Reserved.
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**
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** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
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** the contents of this file may not be disclosed to third parties, copied or
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** duplicated in any form, in whole or in part, without the prior written
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** permission of Silicon Graphics, Inc.
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**
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** RESTRICTED RIGHTS LEGEND:
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** Use, duplication or disclosure by the Government is subject to restrictions
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** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
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** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
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** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
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** rights reserved under the Copyright Laws of the United States.
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*/
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typedef struct _evalDomainRec {
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float uStart, uEnd, vStart, vEnd, du, dv;
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GLint uCount, vCount;
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} evalDomainRec;
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typedef struct _eval2Rec {
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GLint majorOrder, minorOrder;
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GLint dim, dataTypeEnum;
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GLfloat *controls;
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float *cU, *cV;
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float *cUDeriv, *cVDeriv;
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} eval2Rec;
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typedef struct _eval1Rec {
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GLint order;
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GLint dim, dataTypeEnum;
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GLfloat *controls;
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float *cU;
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} eval1Rec;
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extern void ClampArray(float *, float, float, float);
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extern void CRow(float, float, long, float *);
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extern void CRowWithDeriv(float, float, long, float *, float *);
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extern void Evaluate2(eval2Rec *, float, float, float *);
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extern void FreeDomain(evalDomainRec *);
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extern void FreeEval2(eval2Rec *);
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extern long GetEvalDim(long);
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extern eval2Rec *MakeEval2(long, long, long, long, float *);
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extern evalDomainRec *MakeDomain(float, float, long, float, float, long);
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extern void ResetEvalToDefault(void);
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