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Diffstat (limited to 'libs/ode-0.16.1/include/ode/odemath_legacy.h')
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1 files changed, 162 insertions, 0 deletions
diff --git a/libs/ode-0.16.1/include/ode/odemath_legacy.h b/libs/ode-0.16.1/include/ode/odemath_legacy.h new file mode 100644 index 0000000..a389588 --- /dev/null +++ b/libs/ode-0.16.1/include/ode/odemath_legacy.h @@ -0,0 +1,162 @@ +/************************************************************************* + * * + * Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. * + * All rights reserved. Email: russ@q12.org Web: www.q12.org * + * * + * This library is free software; you can redistribute it and/or * + * modify it under the terms of EITHER: * + * (1) The GNU Lesser General Public License as published by the Free * + * Software Foundation; either version 2.1 of the License, or (at * + * your option) any later version. The text of the GNU Lesser * + * General Public License is included with this library in the * + * file LICENSE.TXT. * + * (2) The BSD-style license that is included with this library in * + * the file LICENSE-BSD.TXT. * + * * + * This library is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files * + * LICENSE.TXT and LICENSE-BSD.TXT for more details. * + * * + *************************************************************************/ + +#ifndef _ODE_ODEMATH_LEGACY_H_ +#define _ODE_ODEMATH_LEGACY_H_ + + +/* + * These macros are not used any more inside of ODE + * They are kept for backward compatibility with external code that + * might still be using them. + */ + +/* + * General purpose vector operations with other vectors or constants. + */ + +#define dOP(a,op,b,c) do { \ + (a)[0] = ((b)[0]) op ((c)[0]); \ + (a)[1] = ((b)[1]) op ((c)[1]); \ + (a)[2] = ((b)[2]) op ((c)[2]); \ +} while (0) +#define dOPC(a,op,b,c) do { \ + (a)[0] = ((b)[0]) op (c); \ + (a)[1] = ((b)[1]) op (c); \ + (a)[2] = ((b)[2]) op (c); \ +} while (0) +#define dOPE(a,op,b) do {\ + (a)[0] op ((b)[0]); \ + (a)[1] op ((b)[1]); \ + (a)[2] op ((b)[2]); \ +} while (0) +#define dOPEC(a,op,c) do { \ + (a)[0] op (c); \ + (a)[1] op (c); \ + (a)[2] op (c); \ +} while (0) + +/* Define an equation with operators + * For example this function can be used to replace + * <PRE> + * for (int i=0; i<3; ++i) + * a[i] += b[i] + c[i]; + * </PRE> + */ +#define dOPE2(a,op1,b,op2,c) do { \ + (a)[0] op1 ((b)[0]) op2 ((c)[0]); \ + (a)[1] op1 ((b)[1]) op2 ((c)[1]); \ + (a)[2] op1 ((b)[2]) op2 ((c)[2]); \ +} while (0) + + +#define dLENGTHSQUARED(a) dCalcVectorLengthSquare3(a) +#define dLENGTH(a) dCalcVectorLength3(a) +#define dDISTANCE(a, b) dCalcPointsDistance3(a, b) + + +#define dDOT(a, b) dCalcVectorDot3(a, b) +#define dDOT13(a, b) dCalcVectorDot3_13(a, b) +#define dDOT31(a, b) dCalcVectorDot3_31(a, b) +#define dDOT33(a, b) dCalcVectorDot3_33(a, b) +#define dDOT14(a, b) dCalcVectorDot3_14(a, b) +#define dDOT41(a, b) dCalcVectorDot3_41(a, b) +#define dDOT44(a, b) dCalcVectorDot3_44(a, b) + + +/* + * cross product, set a = b x c. dCROSSpqr means that elements of `a', `b' + * and `c' are spaced p, q and r indexes apart respectively. + * dCROSS() means dCROSS111. `op' is normally `=', but you can set it to + * +=, -= etc to get other effects. + */ + +#define dCROSS(a,op,b,c) \ + do { \ + (a)[0] op ((b)[1]*(c)[2] - (b)[2]*(c)[1]); \ + (a)[1] op ((b)[2]*(c)[0] - (b)[0]*(c)[2]); \ + (a)[2] op ((b)[0]*(c)[1] - (b)[1]*(c)[0]); \ + } while(0) +#define dCROSSpqr(a,op,b,c,p,q,r) \ + do { \ + (a)[ 0] op ((b)[ q]*(c)[2*r] - (b)[2*q]*(c)[ r]); \ + (a)[ p] op ((b)[2*q]*(c)[ 0] - (b)[ 0]*(c)[2*r]); \ + (a)[2*p] op ((b)[ 0]*(c)[ r] - (b)[ q]*(c)[ 0]); \ + } while(0) +#define dCROSS114(a,op,b,c) dCROSSpqr(a,op,b,c,1,1,4) +#define dCROSS141(a,op,b,c) dCROSSpqr(a,op,b,c,1,4,1) +#define dCROSS144(a,op,b,c) dCROSSpqr(a,op,b,c,1,4,4) +#define dCROSS411(a,op,b,c) dCROSSpqr(a,op,b,c,4,1,1) +#define dCROSS414(a,op,b,c) dCROSSpqr(a,op,b,c,4,1,4) +#define dCROSS441(a,op,b,c) dCROSSpqr(a,op,b,c,4,4,1) +#define dCROSS444(a,op,b,c) dCROSSpqr(a,op,b,c,4,4,4) + + +/* +* set a 3x3 submatrix of A to a matrix such that submatrix(A)*b = a x b. +* A is stored by rows, and has `skip' elements per row. the matrix is +* assumed to be already zero, so this does not write zero elements! +* if (plus,minus) is (+,-) then a positive version will be written. +* if (plus,minus) is (-,+) then a negative version will be written. +*/ + +#define dCROSSMAT(A,a,skip,plus,minus) \ + do { \ + (A)[1] = minus (a)[2]; \ + (A)[2] = plus (a)[1]; \ + (A)[(skip)+0] = plus (a)[2]; \ + (A)[(skip)+2] = minus (a)[0]; \ + (A)[2*(skip)+0] = minus (a)[1]; \ + (A)[2*(skip)+1] = plus (a)[0]; \ + } while(0) + + + + +/* +Note: NEVER call any of these functions/macros with the same variable for A and C, +it is not equivalent to A*=B. +*/ + +#define dMULTIPLY0_331(A, B, C) dMultiply0_331(A, B, C) +#define dMULTIPLY1_331(A, B, C) dMultiply1_331(A, B, C) +#define dMULTIPLY0_133(A, B, C) dMultiply0_133(A, B, C) +#define dMULTIPLY0_333(A, B, C) dMultiply0_333(A, B, C) +#define dMULTIPLY1_333(A, B, C) dMultiply1_333(A, B, C) +#define dMULTIPLY2_333(A, B, C) dMultiply2_333(A, B, C) + +#define dMULTIPLYADD0_331(A, B, C) dMultiplyAdd0_331(A, B, C) +#define dMULTIPLYADD1_331(A, B, C) dMultiplyAdd1_331(A, B, C) +#define dMULTIPLYADD0_133(A, B, C) dMultiplyAdd0_133(A, B, C) +#define dMULTIPLYADD0_333(A, B, C) dMultiplyAdd0_333(A, B, C) +#define dMULTIPLYADD1_333(A, B, C) dMultiplyAdd1_333(A, B, C) +#define dMULTIPLYADD2_333(A, B, C) dMultiplyAdd2_333(A, B, C) + + +/* + * These macros are not used any more inside of ODE + * They are kept for backward compatibility with external code that + * might still be using them. + */ + + +#endif /* #ifndef _ODE_ODEMATH_LEGACY_H_ */ |