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Diffstat (limited to 'test/ccured_olden/bh/vectmath.h')
| -rw-r--r-- | test/ccured_olden/bh/vectmath.h | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/test/ccured_olden/bh/vectmath.h b/test/ccured_olden/bh/vectmath.h new file mode 100644 index 00000000..7d1b503a --- /dev/null +++ b/test/ccured_olden/bh/vectmath.h @@ -0,0 +1,371 @@ +/****************************************************************************/ +/* VECTMATH.H: include file for vector/matrix operations. */ +/* */ +/* Copyright (c) 1993 by Joshua E. Barnes, Honolulu, HI. */ +/* It's free because it's yours. */ +/****************************************************************************/ + +#ifndef THREEDIM +# ifndef TWODIM +# ifndef NDIM +# define THREEDIM +# endif +# endif +#endif + +#ifdef TWODIM +# define NDIM 2 +#endif + +#ifdef THREEDIM +# define NDIM 3 +#endif + +typedef real vector[NDIM], matrix[NDIM][NDIM]; + +/* + * Vector operations. + */ + +#define CLRV(v) /* CLeaR Vector */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] = 0.0; \ +} + +#define UNITV(v,j) /* UNIT Vector */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] = (_i == (j) ? 1.0 : 0.0); \ +} + +#define SETV(v,u) /* SET Vector */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] = (u)[_i]; \ +} + +#ifdef THREEDIM + +#ifdef NO_PERF_CHANGES + +#define ADDV(v,u,w) /* ADD Vector */ \ +{ \ + real *_vp = (v), *_up = (u), *_wp = (w); \ + *_vp++ = (*_up++) + (*_wp++); \ + *_vp++ = (*_up++) + (*_wp++); \ + *_vp = (*_up ) + (*_wp ); \ +} + +#define SUBV(v,u,w) /* SUBtract Vector */ \ +{ \ + real *_vp = (v), *_up = (u), *_wp = (w); \ + *_vp++ = (*_up++) - (*_wp++); \ + *_vp++ = (*_up++) - (*_wp++); \ + *_vp = (*_up ) - (*_wp ); \ +} + +#define MULVS(v,u,s) /* MULtiply Vector by Scalar */ \ +{ \ + real *_vp = (v), *_up = (u); \ + *_vp++ = (*_up++) * (s); \ + *_vp++ = (*_up++) * (s); \ + *_vp = (*_up ) * (s); \ +} + +#else // NO_PERF_CHANGES + +#define ADDV(v,u,w) /* ADD Vector */ \ +{ \ + real *_vp = (v), *_up = (u), *_wp = (w); \ + _vp[2] = _up[2] + _wp[2]; \ + _vp[1] = _up[1] + _wp[1]; \ + _vp[0] = _up[0] + _wp[0]; \ +} + +#define SUBV(v,u,w) /* SUBtract Vector */ \ +{ \ + real *_vp = (v), *_up = (u), *_wp = (w); \ + _vp[2] = _up[2] - _wp[2]; \ + _vp[1] = _up[1] - _wp[1]; \ + _vp[0] = _up[0] - _wp[0]; \ +} + +#define MULVS(v,u,s) /* MULtiply Vector by Scalar */ \ +{ \ + real *_vp = (v), *_up = (u); \ + _vp[2] = (_up[2]) * (s); \ + _vp[1] = (_up[1]) * (s); \ + _vp[0] = (_up[0]) * (s); \ +} +#endif // NO_PERF_CHANGES + +#else + +#define ADDV(v,u,w) /* ADD Vector */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] = (u)[_i] + (w)[_i]; \ +} + +#define SUBV(v,u,w) /* SUBtract Vector */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] = (u)[_i] - (w)[_i]; \ +} + +#define MULVS(v,u,s) /* MULtiply Vector by Scalar */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] = (u)[_i] * (s); \ +} + +#endif + +#define DIVVS(v,u,s) /* DIVide Vector by Scalar */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] = (u)[_i] / (s); \ +} + +#ifdef THREEDIM + +#ifdef NO_PERF_CHANGES + +#define DOTVP(s,v,u) /* DOT Vector Product */ \ +{ \ + real *_vp = (v), *_up = (u); \ + (s) = (*_vp++) * (*_up++); \ + (s) += (*_vp++) * (*_up++); \ + (s) += (*_vp ) * (*_up ); \ +} + +#else // NO_PERF_CHANGES + +#define DOTVP(s,v,u) /* DOT Vector Product */ \ +{ \ + real *_vp = (v), *_up = (u); \ + (s) = (_vp[2]) * (_up[2]); \ + (s) += (_vp[1]) * (_up[1]); \ + (s) += (_vp[0]) * (_up[0]); \ +} + +#endif // NO_PERF_CHANGES + +#else + +#define DOTVP(s,v,u) /* DOT Vector Product */ \ +{ \ + int _i; \ + (s) = 0.0; \ + for (_i = 0; _i < NDIM; _i++) \ + (s) += (v)[_i] * (u)[_i]; \ +} + +#endif + +#define ABSV(s,v) /* ABSolute value of a Vector */ \ +{ \ + real _tmp; \ + int _i; \ + _tmp = 0.0; \ + for (_i = 0; _i < NDIM; _i++) \ + _tmp += (v)[_i] * (v)[_i]; \ + (s) = rsqrt(_tmp); \ +} + +#define DISTV(s,u,v) /* DISTance between Vectors */ \ +{ \ + real _tmp; \ + int _i; \ + _tmp = 0.0; \ + for (_i = 0; _i < NDIM; _i++) \ + _tmp += ((u)[_i]-(v)[_i]) * ((u)[_i]-(v)[_i]); \ + (s) = rsqrt(_tmp); \ +} + +#ifdef TWODIM + +#define CROSSVP(s,v,u) /* CROSS Vector Product */ \ +{ \ + (s) = (v)[0]*(u)[1] - (v)[1]*(u)[0]; \ +} + +#endif + +#ifdef THREEDIM + +#define CROSSVP(v,u,w) /* CROSS Vector Product */ \ +{ \ + (v)[0] = (u)[1]*(w)[2] - (u)[2]*(w)[1]; \ + (v)[1] = (u)[2]*(w)[0] - (u)[0]*(w)[2]; \ + (v)[2] = (u)[0]*(w)[1] - (u)[1]*(w)[0]; \ +} + +#endif + +#define INCADDV(v,u) /* INCrementally ADD Vector */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] += (u)[_i]; \ +} + +#define INCSUBV(v,u) /* INCrementally SUBtract Vector */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] -= (u)[_i]; \ +} + +#define INCMULVS(v,s) /* INCrementally MULtiply Vector by Scalar */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] *= (s); \ +} + +#define INCDIVVS(v,s) /* INCrementally DIVide Vector by Scalar */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] /= (s); \ +} + +/* + * Matrix operations. + */ + +#define CLRM(p) /* CLeaR Matrix */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = 0.0; \ +} + +#define SETMI(p) /* SET Matrix to Identity */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = (_i == _j ? 1.0 : 0.0); \ +} + +#define SETM(p,q) /* SET Matrix */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = (q)[_i][_j]; \ +} + +#define TRANM(p,q) /* TRANspose Matrix */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = (q)[_j][_i]; \ +} + +#define ADDM(p,q,r) /* ADD Matrix */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = (q)[_i][_j] + (r)[_i][_j]; \ +} + +#define SUBM(p,q,r) /* SUBtract Matrix */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = (q)[_i][_j] - (r)[_i][_j]; \ +} + +#define MULM(p,q,r) /* Multiply Matrix */ \ +{ \ + int _i, _j, _k; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) { \ + (p)[_i][_j] = 0.0; \ + for (_k = 0; _k < NDIM; _k++) \ + (p)[_i][_j] += (q)[_i][_k] * (r)[_k][_j]; \ + } \ +} + +#define MULMS(p,q,s) /* MULtiply Matrix by Scalar */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = (q)[_i][_j] * (s); \ +} + +#define DIVMS(p,q,s) /* DIVide Matrix by Scalar */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = (q)[_i][_j] / (s); \ +} + +#define MULMV(v,p,u) /* MULtiply Matrix by Vector */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) { \ + (v)[_i] = 0.0; \ + for (_j = 0; _j < NDIM; _j++) \ + (v)[_i] += (p)[_i][_j] * (u)[_j]; \ + } \ +} + +#define OUTVP(p,v,u) /* OUTer Vector Product */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = (v)[_i] * (u)[_j]; \ +} + +#define TRACEM(s,p) /* TRACE of Matrix */ \ +{ \ + int _i; \ + (s) = 0.0; \ + for (_i = 0.0; _i < NDIM; _i++) \ + (s) += (p)[_i][_i]; \ +} + +/* + * Misc. impure operations. + */ + +#define SETVS(v,s) /* SET Vector to Scalar */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] = (s); \ +} + +#define ADDVS(v,u,s) /* ADD Vector and Scalar */ \ +{ \ + int _i; \ + for (_i = 0; _i < NDIM; _i++) \ + (v)[_i] = (u)[_i] + (s); \ +} + +#define SETMS(p,s) /* SET Matrix to Scalar */ \ +{ \ + int _i, _j; \ + for (_i = 0; _i < NDIM; _i++) \ + for (_j = 0; _j < NDIM; _j++) \ + (p)[_i][_j] = (s); \ +} |