| 5 |  | * General component matrix operations. | 
| 6 |  | */ | 
| 7 |  |  | 
| 8 | – | #include <stdio.h> | 
| 9 | – | #include <stdlib.h> | 
| 8 |  | #include <errno.h> | 
| 9 |  | #include "rtio.h" | 
| 12 | – | #include "resolu.h" | 
| 10 |  | #include "rmatrix.h" | 
| 11 |  | #include "platform.h" | 
| 12 |  |  | 
| 13 | < | #define MAXCOMP         50              /* #components we support */ | 
| 13 | > | /* Preferred BSDF component: | 
| 14 | > | none, transmission, reflection front (normal side), reflection back */ | 
| 15 | > | typedef enum {RMPnone=-1, RMPtrans=0, RMPreflF, RMPreflB} RMPref; | 
| 16 |  |  | 
| 17 | + | /* Unary matrix operation(s) */ | 
| 18 |  | typedef struct { | 
| 19 | – | double          sca[MAXCOMP];           /* scalar coefficients */ | 
| 20 | – | int             nsf;                    /* number of scalars */ | 
| 19 |  | double          cmat[MAXCOMP*MAXCOMP];  /* component transformation */ | 
| 20 | < | int             clen;                   /* number of coefficients */ | 
| 21 | < | int             transpose;              /* do transpose? */ | 
| 22 | < | int             op;                     /* '*' or '+' */ | 
| 23 | < | } ROPERAT;                              /* matrix operation */ | 
| 20 | > | double          sca[MAXCOMP];           /* scalar coefficients */ | 
| 21 | > | const char      *csym;                  /* symbolic coefs or file */ | 
| 22 | > | short           clen;                   /* number of coefficients */ | 
| 23 | > | short           nsf;                    /* number of scalars */ | 
| 24 | > | short           transpose;              /* do transpose? */ | 
| 25 | > | } RUNARYOP; | 
| 26 |  |  | 
| 27 | + | /* Matrix input source and requested operation(s) */ | 
| 28 | + | typedef struct { | 
| 29 | + | const char      *inspec;                /* input specification */ | 
| 30 | + | RMPref          rmp;                    /* matrix preference */ | 
| 31 | + | RUNARYOP        preop;                  /* unary operation(s) */ | 
| 32 | + | RMATRIX         *mtx;                   /* original matrix if loaded */ | 
| 33 | + | int             binop;                  /* binary op with next (or 0) */ | 
| 34 | + | } ROPMAT; | 
| 35 | + |  | 
| 36 |  | int     verbose = 0;                    /* verbose reporting? */ | 
| 37 |  |  | 
| 38 | < | static void | 
| 39 | < | op_default(ROPERAT *op) | 
| 38 | > | /* Load matrix */ | 
| 39 | > | int | 
| 40 | > | loadmatrix(ROPMAT *rop) | 
| 41 |  | { | 
| 42 | < | memset(op, 0, sizeof(ROPERAT)); | 
| 43 | < | op->op = '.'; | 
| 42 | > | if (rop->mtx)                   /* already loaded? */ | 
| 43 | > | return(0); | 
| 44 | > | /* check for BSDF input */ | 
| 45 | > | if ((rop->inspec[0] != '!') & (rop->rmp != RMPnone)) { | 
| 46 | > | const char      *sp = strrchr(rop->inspec, '.'); | 
| 47 | > | if (sp > rop->inspec && !strcasecmp(sp+1, "XML")) { | 
| 48 | > | CMATRIX *cm = rop->rmp==RMPtrans ? cm_loadBTDF(rop->inspec) : | 
| 49 | > | cm_loadBRDF(rop->inspec, rop->rmp==RMPreflB) ; | 
| 50 | > | if (!cm) | 
| 51 | > | return(-1); | 
| 52 | > | rop->mtx = rmx_from_cmatrix(cm); | 
| 53 | > | cm_free(cm); | 
| 54 | > | if (!rop->mtx) | 
| 55 | > | return(-1); | 
| 56 | > | rop->mtx->dtype = DTascii; | 
| 57 | > | return(1);      /* loaded BSDF XML file */ | 
| 58 | > | } | 
| 59 | > | }                               /* else load regular matrix */ | 
| 60 | > | rop->mtx = rmx_load(rop->inspec); | 
| 61 | > |  | 
| 62 | > | return(rop->mtx ? 1 : -1); | 
| 63 |  | } | 
| 64 |  |  | 
| 65 | < | static RMATRIX * | 
| 66 | < | operate(RMATRIX *mleft, ROPERAT *op, const char *fname) | 
| 65 | > | extern int      checksymbolic(ROPMAT *rop); | 
| 66 | > |  | 
| 67 | > | /* Check/set transform based on a reference input file */ | 
| 68 | > | int | 
| 69 | > | checkreffile(ROPMAT *rop) | 
| 70 |  | { | 
| 71 | < | RMATRIX *mright = rmx_load(fname); | 
| 72 | < | RMATRIX *mtmp; | 
| 73 | < | int     i; | 
| 71 | > | static const char       *curRF = NULL; | 
| 72 | > | static RMATRIX          refm; | 
| 73 | > | const int               nc = rop->mtx->ncomp; | 
| 74 | > | int                     i; | 
| 75 |  |  | 
| 76 | < | if (fname == NULL) | 
| 77 | < | fname = "<stdin>"; | 
| 78 | < | if (mright == NULL) { | 
| 79 | < | fputs(fname, stderr); | 
| 80 | < | fputs(": cannot load matrix\n", stderr); | 
| 81 | < | return(NULL); | 
| 76 | > | if (!curRF || strcmp(rop->preop.csym, curRF)) { | 
| 77 | > | FILE    *fp = fopen(rop->preop.csym, "rb"); | 
| 78 | > | if (!rmx_load_header(&refm, fp)) { | 
| 79 | > | fprintf(stderr, "%s: cannot read info header\n", | 
| 80 | > | rop->preop.csym); | 
| 81 | > | curRF = NULL; | 
| 82 | > | if (fp) fclose(fp); | 
| 83 | > | return(-1); | 
| 84 | > | } | 
| 85 | > | fclose(fp); | 
| 86 | > | curRF = rop->preop.csym; | 
| 87 |  | } | 
| 88 | < | if (op->transpose) {            /* transpose matrix? */ | 
| 89 | < | mtmp = rmx_transpose(mright); | 
| 90 | < | if (mtmp == NULL) { | 
| 91 | < | fputs(fname, stderr); | 
| 92 | < | fputs(": transpose failed\n", stderr); | 
| 93 | < | rmx_free(mright); | 
| 94 | < | return(NULL); | 
| 88 | > | if (refm.ncomp == 3) { | 
| 89 | > | rop->preop.csym = (refm.dtype == DTxyze) ? "XYZ" : "RGB"; | 
| 90 | > | return(checksymbolic(rop)); | 
| 91 | > | } | 
| 92 | > | if (refm.ncomp == 2) { | 
| 93 | > | fprintf(stderr, "%s: cannot convert to 2 components\n", | 
| 94 | > | curRF); | 
| 95 | > | return(-1); | 
| 96 | > | } | 
| 97 | > | if (refm.ncomp == 1) { | 
| 98 | > | rop->preop.csym = "Y";          /* XXX big assumption */ | 
| 99 | > | return(checksymbolic(rop)); | 
| 100 | > | } | 
| 101 | > | if (refm.ncomp == nc && | 
| 102 | > | !memcmp(refm.wlpart, rop->mtx->wlpart, sizeof(refm.wlpart))) | 
| 103 | > | return(0);                      /* nothing to do */ | 
| 104 | > |  | 
| 105 | > | if ((nc <= 3) | (nc > MAXCSAMP) | (refm.ncomp > MAXCSAMP)) { | 
| 106 | > | fprintf(stderr, "%s: cannot resample from %d to %d components\n", | 
| 107 | > | curRF, nc, refm.ncomp); | 
| 108 | > | return(-1); | 
| 109 | > | } | 
| 110 | > | rop->preop.clen = refm.ncomp * nc;      /* compute spec to ref */ | 
| 111 | > |  | 
| 112 | > | for (i = 0; i < nc; i++) { | 
| 113 | > | SCOLOR  scstim, scresp; | 
| 114 | > | int     j; | 
| 115 | > | memset(scstim, 0, sizeof(COLORV)*nc); | 
| 116 | > | scstim[i] = 1.f; | 
| 117 | > | convertscolor(scresp, refm.ncomp, refm.wlpart[0], refm.wlpart[3], | 
| 118 | > | scstim, nc, rop->mtx->wlpart[0], rop->mtx->wlpart[3]); | 
| 119 | > | for (j = refm.ncomp; j-- > 0; ) | 
| 120 | > | rop->preop.cmat[j*nc + i] = scresp[j]; | 
| 121 | > | } | 
| 122 | > | memcpy(rop->mtx->wlpart, refm.wlpart, sizeof(rop->mtx->wlpart)); | 
| 123 | > | return(0); | 
| 124 | > | } | 
| 125 | > |  | 
| 126 | > | /* Compute conversion row from spectrum to one channel of RGB */ | 
| 127 | > | void | 
| 128 | > | rgbrow(ROPMAT *rop, int r, int p) | 
| 129 | > | { | 
| 130 | > | const int       nc = rop->mtx->ncomp; | 
| 131 | > | const float *   wlp = rop->mtx->wlpart; | 
| 132 | > | int             i; | 
| 133 | > |  | 
| 134 | > | for (i = nc; i--; ) { | 
| 135 | > | int     nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc; | 
| 136 | > | int     nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc; | 
| 137 | > | COLOR   crgb; | 
| 138 | > | spec_rgb(crgb, nmStart, nmEnd); | 
| 139 | > | rop->preop.cmat[r*nc+i] = crgb[p]; | 
| 140 | > | } | 
| 141 | > | } | 
| 142 | > |  | 
| 143 | > | /* Compute conversion row from spectrum to one channel of XYZ */ | 
| 144 | > | void | 
| 145 | > | xyzrow(ROPMAT *rop, int r, int p) | 
| 146 | > | { | 
| 147 | > | const int       nc = rop->mtx->ncomp; | 
| 148 | > | const float *   wlp = rop->mtx->wlpart; | 
| 149 | > | int             i; | 
| 150 | > |  | 
| 151 | > | for (i = nc; i--; ) { | 
| 152 | > | int     nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc; | 
| 153 | > | int     nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc; | 
| 154 | > | COLOR   cxyz; | 
| 155 | > | spec_cie(cxyz, nmStart, nmEnd); | 
| 156 | > | rop->preop.cmat[r*nc+i] = cxyz[p]; | 
| 157 | > | } | 
| 158 | > | } | 
| 159 | > |  | 
| 160 | > | /* Use the spectral sensitivity function to compute matrix coefficients */ | 
| 161 | > | void | 
| 162 | > | sensrow(ROPMAT *rop, int r, double (*sf)(const SCOLOR sc, int ncs, const float wlpt[4])) | 
| 163 | > | { | 
| 164 | > | const int       nc = rop->mtx->ncomp; | 
| 165 | > | int             i; | 
| 166 | > |  | 
| 167 | > | for (i = nc; i--; ) { | 
| 168 | > | SCOLOR  sclr; | 
| 169 | > | memset(sclr, 0, sizeof(COLORV)*nc); | 
| 170 | > | sclr[i] = 1.f; | 
| 171 | > | rop->preop.cmat[r*nc+i] = (*sf)(sclr, nc, rop->mtx->wlpart); | 
| 172 | > | } | 
| 173 | > | } | 
| 174 | > |  | 
| 175 | > | /* Check/set symbolic transform */ | 
| 176 | > | int | 
| 177 | > | checksymbolic(ROPMAT *rop) | 
| 178 | > | { | 
| 179 | > | const int       nc = rop->mtx->ncomp; | 
| 180 | > | const int       dt = rop->mtx->dtype; | 
| 181 | > | double          cf = 1; | 
| 182 | > | int             i, j; | 
| 183 | > | /* check suffix => reference file */ | 
| 184 | > | if (strchr(rop->preop.csym, '.') > rop->preop.csym) | 
| 185 | > | return(checkreffile(rop)); | 
| 186 | > |  | 
| 187 | > | if (nc < 3) { | 
| 188 | > | fprintf(stderr, "%s: -c '%s' requires at least 3 components\n", | 
| 189 | > | rop->inspec, rop->preop.csym); | 
| 190 | > | return(-1); | 
| 191 | > | } | 
| 192 | > | rop->preop.clen = strlen(rop->preop.csym) * nc; | 
| 193 | > | if (rop->preop.clen > MAXCOMP*MAXCOMP) { | 
| 194 | > | fprintf(stderr, "%s: -c '%s' results in too many components\n", | 
| 195 | > | rop->inspec, rop->preop.csym); | 
| 196 | > | return(-1); | 
| 197 | > | } | 
| 198 | > | for (j = 0; rop->preop.csym[j]; j++) { | 
| 199 | > | int     comp = 0; | 
| 200 | > | switch (rop->preop.csym[j]) { | 
| 201 | > | case 'B': | 
| 202 | > | case 'b': | 
| 203 | > | ++comp; | 
| 204 | > | /* fall through */ | 
| 205 | > | case 'G': | 
| 206 | > | case 'g': | 
| 207 | > | ++comp; | 
| 208 | > | /* fall through */ | 
| 209 | > | case 'R': | 
| 210 | > | case 'r': | 
| 211 | > | if (rop->preop.csym[j] <= 'Z') | 
| 212 | > | cf = 1./WHTEFFICACY; | 
| 213 | > | if (dt == DTxyze) { | 
| 214 | > | for (i = 3; i--; ) | 
| 215 | > | rop->preop.cmat[j*nc+i] = cf*xyz2rgbmat[comp][i]; | 
| 216 | > | } else if (nc == 3) | 
| 217 | > | rop->preop.cmat[j*nc+comp] = 1.; | 
| 218 | > | else | 
| 219 | > | rgbrow(rop, j, comp); | 
| 220 | > | break; | 
| 221 | > | case 'Z': | 
| 222 | > | case 'z': | 
| 223 | > | ++comp; | 
| 224 | > | /* fall through */ | 
| 225 | > | case 'Y': | 
| 226 | > | case 'y': | 
| 227 | > | ++comp; | 
| 228 | > | /* fall through */ | 
| 229 | > | case 'X': | 
| 230 | > | case 'x': | 
| 231 | > | if ((rop->preop.csym[j] <= 'Z') & (dt != DTxyze)) | 
| 232 | > | cf = WHTEFFICACY; | 
| 233 | > | if (dt == DTxyze) { | 
| 234 | > | rop->preop.cmat[j*nc+comp] = 1.; | 
| 235 | > | } else if (nc == 3) { | 
| 236 | > | for (i = 3; i--; ) | 
| 237 | > | rop->preop.cmat[j*nc+i] = | 
| 238 | > | rgb2xyzmat[comp][i]; | 
| 239 | > | } else if (comp == CIEY) | 
| 240 | > | sensrow(rop, j, scolor2photopic); | 
| 241 | > | else | 
| 242 | > | xyzrow(rop, j, comp); | 
| 243 | > |  | 
| 244 | > | for (i = nc*(cf != 1); i--; ) | 
| 245 | > | rop->preop.cmat[j*nc+i] *= cf; | 
| 246 | > | break; | 
| 247 | > | case 'S':               /* scotopic (il)luminance */ | 
| 248 | > | cf = WHTSCOTOPIC; | 
| 249 | > | /* fall through */ | 
| 250 | > | case 's': | 
| 251 | > | sensrow(rop, j, scolor2scotopic); | 
| 252 | > | for (i = nc*(cf != 1); i--; ) | 
| 253 | > | rop->preop.cmat[j*nc+i] *= cf; | 
| 254 | > | break; | 
| 255 | > | case 'M':               /* melanopic (il)luminance */ | 
| 256 | > | cf = WHTMELANOPIC; | 
| 257 | > | /* fall through */ | 
| 258 | > | case 'm': | 
| 259 | > | sensrow(rop, j, scolor2melanopic); | 
| 260 | > | for (i = nc*(cf != 1); i--; ) | 
| 261 | > | rop->preop.cmat[j*nc+i] *= cf; | 
| 262 | > | break; | 
| 263 | > | case 'A':               /* average component */ | 
| 264 | > | case 'a': | 
| 265 | > | for (i = nc; i--; ) | 
| 266 | > | rop->preop.cmat[j*nc+i] = 1./(double)nc; | 
| 267 | > | break; | 
| 268 | > | default: | 
| 269 | > | fprintf(stderr, "%s: -c '%c' unsupported\n", | 
| 270 | > | rop->inspec, rop->preop.csym[j]); | 
| 271 | > | return(-1); | 
| 272 |  | } | 
| 58 | – | if (verbose) { | 
| 59 | – | fputs(fname, stderr); | 
| 60 | – | fputs(": transposed rows and columns\n", stderr); | 
| 61 | – | } | 
| 62 | – | rmx_free(mright); | 
| 63 | – | mright = mtmp; | 
| 273 |  | } | 
| 274 | < | if (op->nsf > 0) {              /* apply scalar(s) */ | 
| 275 | < | if (op->clen > 0) { | 
| 276 | < | fputs("Options -s and -c are exclusive\n", stderr); | 
| 277 | < | rmx_free(mright); | 
| 278 | < | return(NULL); | 
| 274 | > | /* return recommended output type */ | 
| 275 | > | if (!strcasecmp(rop->preop.csym, "XYZ")) { | 
| 276 | > | if (dt <= DTspec) | 
| 277 | > | return(DTxyze); | 
| 278 | > | } else if (!strcasecmp(rop->preop.csym, "RGB")) { | 
| 279 | > | if (dt <= DTspec) | 
| 280 | > | return(DTrgbe); | 
| 281 | > | } else if (dt == DTspec) | 
| 282 | > | return(DTfloat);        /* probably not actual spectrum */ | 
| 283 | > | return(0); | 
| 284 | > | } | 
| 285 | > |  | 
| 286 | > | /* Get matrix and perform unary operations */ | 
| 287 | > | RMATRIX * | 
| 288 | > | loadop(ROPMAT *rop) | 
| 289 | > | { | 
| 290 | > | int     outtype = 0; | 
| 291 | > | RMATRIX *mres; | 
| 292 | > | int     i, j; | 
| 293 | > |  | 
| 294 | > | if (loadmatrix(rop) < 0)                /* make sure we're loaded */ | 
| 295 | > | return(NULL); | 
| 296 | > |  | 
| 297 | > | if (rop->preop.csym &&                  /* symbolic transform? */ | 
| 298 | > | (outtype = checksymbolic(rop)) < 0) | 
| 299 | > | goto failure; | 
| 300 | > | if (rop->preop.clen > 0) {              /* apply component transform? */ | 
| 301 | > | if (rop->preop.clen % rop->mtx->ncomp) { | 
| 302 | > | fprintf(stderr, "%s: -c must have N x %d coefficients\n", | 
| 303 | > | rop->inspec, rop->mtx->ncomp); | 
| 304 | > | goto failure; | 
| 305 |  | } | 
| 306 | < | if (op->nsf == 1) { | 
| 307 | < | for (i = mright->ncomp; --i; ) | 
| 308 | < | op->sca[i] = op->sca[0]; | 
| 309 | < | } else if (op->nsf != mright->ncomp) { | 
| 306 | > | if (rop->preop.nsf > 0) {       /* scale transform, first */ | 
| 307 | > | if (rop->preop.nsf == 1) { | 
| 308 | > | for (i = rop->preop.clen; i--; ) | 
| 309 | > | rop->preop.cmat[i] *= rop->preop.sca[0]; | 
| 310 | > | } else if (rop->preop.nsf*rop->mtx->ncomp != rop->preop.clen) { | 
| 311 | > | fprintf(stderr, "%s: -s must have one or %d factors\n", | 
| 312 | > | rop->inspec, | 
| 313 | > | rop->preop.clen/rop->mtx->ncomp); | 
| 314 | > | goto failure; | 
| 315 | > | } else { | 
| 316 | > | for (i = rop->preop.nsf; i--; ) | 
| 317 | > | for (j = rop->mtx->ncomp; j--; ) | 
| 318 | > | rop->preop.cmat[i*rop->mtx->ncomp+j] | 
| 319 | > | *= rop->preop.sca[i]; | 
| 320 | > | } | 
| 321 | > | } | 
| 322 | > | mres = rmx_transform(rop->mtx, rop->preop.clen/rop->mtx->ncomp, | 
| 323 | > | rop->preop.cmat); | 
| 324 | > | if (mres == NULL) { | 
| 325 | > | fprintf(stderr, "%s: matrix transform failed\n", | 
| 326 | > | rop->inspec); | 
| 327 | > | goto failure; | 
| 328 | > | } | 
| 329 | > | if (verbose) | 
| 330 | > | fprintf(stderr, "%s: applied %d x %d transform%s\n", | 
| 331 | > | rop->inspec, mres->ncomp, | 
| 332 | > | rop->mtx->ncomp, | 
| 333 | > | rop->preop.nsf ? " (* scalar)" : ""); | 
| 334 | > | rop->preop.nsf = 0;             /* now folded in */ | 
| 335 | > | if ((mres->ncomp > 3) & (mres->dtype <= DTspec)) | 
| 336 | > | outtype = DTfloat;      /* probably not actual spectrum */ | 
| 337 | > | rmx_free(rop->mtx); | 
| 338 | > | rop->mtx = mres; | 
| 339 | > | } | 
| 340 | > | if (rop->preop.nsf > 0) {               /* apply scalar(s)? */ | 
| 341 | > | if (rop->preop.nsf == 1) { | 
| 342 | > | for (i = rop->mtx->ncomp; --i; ) | 
| 343 | > | rop->preop.sca[i] = rop->preop.sca[0]; | 
| 344 | > | } else if (rop->preop.nsf != rop->mtx->ncomp) { | 
| 345 |  | fprintf(stderr, "%s: -s must have one or %d factors\n", | 
| 346 | < | fname, mright->ncomp); | 
| 347 | < | rmx_free(mright); | 
| 78 | < | return(NULL); | 
| 346 | > | rop->inspec, rop->mtx->ncomp); | 
| 347 | > | goto failure; | 
| 348 |  | } | 
| 349 | < | if ((mleft == NULL) | (op->op != '+') && | 
| 350 | < | !rmx_scale(mright, op->sca)) { | 
| 82 | < | fputs(fname, stderr); | 
| 349 | > | if (!rmx_scale(rop->mtx, rop->preop.sca)) { | 
| 350 | > | fputs(rop->inspec, stderr); | 
| 351 |  | fputs(": scalar operation failed\n", stderr); | 
| 352 | < | rmx_free(mright); | 
| 85 | < | return(NULL); | 
| 352 | > | goto failure; | 
| 353 |  | } | 
| 354 |  | if (verbose) { | 
| 355 | < | fputs(fname, stderr); | 
| 355 | > | fputs(rop->inspec, stderr); | 
| 356 |  | fputs(": applied scalar (", stderr); | 
| 357 | < | for (i = 0; i < op->nsf; i++) | 
| 358 | < | fprintf(stderr, " %f", op->sca[i]); | 
| 357 | > | for (i = 0; i < rop->preop.nsf; i++) | 
| 358 | > | fprintf(stderr, " %f", rop->preop.sca[i]); | 
| 359 |  | fputs(" )\n", stderr); | 
| 360 |  | } | 
| 361 |  | } | 
| 362 | < | if (op->clen > 0) {             /* apply transform */ | 
| 363 | < | if (op->clen % mright->ncomp) { | 
| 364 | < | fprintf(stderr, "%s: -c must have N x %d coefficients\n", | 
| 365 | < | fname, mright->ncomp); | 
| 366 | < | rmx_free(mright); | 
| 100 | < | return(NULL); | 
| 362 | > | if (rop->preop.transpose) {             /* transpose matrix? */ | 
| 363 | > | if (!rmx_transpose(rop->mtx)) { | 
| 364 | > | fputs(rop->inspec, stderr); | 
| 365 | > | fputs(": transpose failed\n", stderr); | 
| 366 | > | goto failure; | 
| 367 |  | } | 
| 368 | < | mtmp = rmx_transform(mright, op->clen/mright->ncomp, op->cmat); | 
| 369 | < | if (mtmp == NULL) { | 
| 370 | < | fprintf(stderr, "%s: matrix transform failed\n", fname); | 
| 105 | < | rmx_free(mright); | 
| 106 | < | return(NULL); | 
| 368 | > | if (verbose) { | 
| 369 | > | fputs(rop->inspec, stderr); | 
| 370 | > | fputs(": transposed rows and columns\n", stderr); | 
| 371 |  | } | 
| 108 | – | if (verbose) | 
| 109 | – | fprintf(stderr, "%s: applied %d x %d transform\n", | 
| 110 | – | fname, mtmp->ncomp, mright->ncomp); | 
| 111 | – | rmx_free(mright); | 
| 112 | – | mright = mtmp; | 
| 372 |  | } | 
| 373 | < | if (mleft == NULL)              /* just one matrix */ | 
| 374 | < | return(mright); | 
| 375 | < | if (op->op == '.') {            /* concatenate */ | 
| 376 | < | RMATRIX *mres = rmx_multiply(mleft, mright); | 
| 373 | > | mres = rop->mtx; | 
| 374 | > | rop->mtx = NULL; | 
| 375 | > | if (outtype) | 
| 376 | > | mres->dtype = outtype; | 
| 377 | > | return(mres); | 
| 378 | > | failure: | 
| 379 | > | rmx_free(rop->mtx); | 
| 380 | > | return(rop->mtx = NULL); | 
| 381 | > | } | 
| 382 | > |  | 
| 383 | > | /* Execute binary operation, free matrix arguments and return new result */ | 
| 384 | > | RMATRIX * | 
| 385 | > | binaryop(const char *inspec, RMATRIX *mleft, int op, RMATRIX *mright) | 
| 386 | > | { | 
| 387 | > | RMATRIX *mres = NULL; | 
| 388 | > | int     i; | 
| 389 | > |  | 
| 390 | > | if ((mleft == NULL) | (mright == NULL)) | 
| 391 | > | return(NULL); | 
| 392 | > | switch (op) { | 
| 393 | > | case '.':                       /* concatenate */ | 
| 394 | > | if (mleft->ncomp != mright->ncomp) { | 
| 395 | > | fputs(inspec, stderr); | 
| 396 | > | fputs(": # components do not match\n", stderr); | 
| 397 | > | } else if (mleft->ncols != mright->nrows) { | 
| 398 | > | fputs(inspec, stderr); | 
| 399 | > | fputs(": mismatched dimensions\n", | 
| 400 | > | stderr); | 
| 401 | > | } else | 
| 402 | > | mres = rmx_multiply(mleft, mright); | 
| 403 | > | rmx_free(mleft); | 
| 404 | > | rmx_free(mright); | 
| 405 |  | if (mres == NULL) { | 
| 406 | < | fputs(fname, stderr); | 
| 407 | < | if (mleft->ncols != mright->nrows) | 
| 121 | < | fputs(": mismatched dimensions for multiply\n", | 
| 122 | < | stderr); | 
| 123 | < | else | 
| 124 | < | fputs(": concatenation failed\n", stderr); | 
| 125 | < | rmx_free(mright); | 
| 406 | > | fputs(inspec, stderr); | 
| 407 | > | fputs(": concatenation failed\n", stderr); | 
| 408 |  | return(NULL); | 
| 409 |  | } | 
| 410 |  | if (verbose) { | 
| 411 | < | fputs(fname, stderr); | 
| 411 | > | fputs(inspec, stderr); | 
| 412 |  | fputs(": concatenated matrix\n", stderr); | 
| 413 |  | } | 
| 414 | < | rmx_free(mright); | 
| 415 | < | rmx_free(mleft); | 
| 416 | < | mleft = mres; | 
| 417 | < | } else if (op->op == '+') { | 
| 136 | < | if (!rmx_sum(mleft, mright, op->nsf ? op->sca : (double *)NULL)) { | 
| 137 | < | fputs(fname, stderr); | 
| 414 | > | break; | 
| 415 | > | case '+': | 
| 416 | > | if (!rmx_sum(mleft, mright, NULL)) { | 
| 417 | > | fputs(inspec, stderr); | 
| 418 |  | fputs(": matrix sum failed\n", stderr); | 
| 419 | + | rmx_free(mleft); | 
| 420 |  | rmx_free(mright); | 
| 421 |  | return(NULL); | 
| 422 |  | } | 
| 423 |  | if (verbose) { | 
| 424 | < | fputs(fname, stderr); | 
| 424 | > | fputs(inspec, stderr); | 
| 425 |  | fputs(": added in matrix\n", stderr); | 
| 426 |  | } | 
| 427 |  | rmx_free(mright); | 
| 428 | < | } else if ((op->op == '*') | (op->op == '/')) { | 
| 429 | < | const char *    tnam = (op->op == '/') ? | 
| 428 | > | mres = mleft; | 
| 429 | > | break; | 
| 430 | > | case '*': | 
| 431 | > | case '/': { | 
| 432 | > | const char *    tnam = (op == '/') ? | 
| 433 |  | "division" : "multiplication"; | 
| 434 |  | errno = 0; | 
| 435 | < | if (!rmx_elemult(mleft, mright, (op->op == '/'))) { | 
| 435 | > | if (!rmx_elemult(mleft, mright, (op == '/'))) { | 
| 436 |  | fprintf(stderr, "%s: element-wise %s failed\n", | 
| 437 | < | fname, tnam); | 
| 437 | > | inspec, tnam); | 
| 438 | > | rmx_free(mleft); | 
| 439 |  | rmx_free(mright); | 
| 440 |  | return(NULL); | 
| 441 |  | } | 
| 442 |  | if (errno) | 
| 443 |  | fprintf(stderr, | 
| 444 |  | "%s: warning - error during element-wise %s\n", | 
| 445 | < | fname, tnam); | 
| 445 | > | inspec, tnam); | 
| 446 |  | else if (verbose) | 
| 447 | < | fprintf(stderr, "%s: element-wise %s\n", fname, tnam); | 
| 447 | > | fprintf(stderr, "%s: element-wise %s\n", inspec, tnam); | 
| 448 |  | rmx_free(mright); | 
| 449 | < | } else { | 
| 450 | < | fprintf(stderr, "%s: unknown operation '%c'\n", fname, op->op); | 
| 449 | > | mres = mleft; | 
| 450 | > | } break; | 
| 451 | > | default: | 
| 452 | > | fprintf(stderr, "%s: unknown operation '%c'\n", inspec, op); | 
| 453 | > | rmx_free(mleft); | 
| 454 |  | rmx_free(mright); | 
| 455 |  | return(NULL); | 
| 456 |  | } | 
| 457 | + | return(mres); | 
| 458 | + | } | 
| 459 | + |  | 
| 460 | + | /* Perform matrix operations from left to right */ | 
| 461 | + | RMATRIX * | 
| 462 | + | op_left2right(ROPMAT *mop) | 
| 463 | + | { | 
| 464 | + | RMATRIX *mleft = loadop(mop); | 
| 465 | + |  | 
| 466 | + | while (mop->binop) { | 
| 467 | + | if (mleft == NULL) | 
| 468 | + | break; | 
| 469 | + | mleft = binaryop(mop[1].inspec, | 
| 470 | + | mleft, mop->binop, loadop(mop+1)); | 
| 471 | + | mop++; | 
| 472 | + | } | 
| 473 |  | return(mleft); | 
| 474 |  | } | 
| 475 |  |  | 
| 476 | < | static int | 
| 476 | > | /* Perform matrix operations from right to left */ | 
| 477 | > | RMATRIX * | 
| 478 | > | op_right2left(ROPMAT *mop) | 
| 479 | > | { | 
| 480 | > | RMATRIX *mright; | 
| 481 | > | int     rpos = 0; | 
| 482 | > | /* find end of list */ | 
| 483 | > | while (mop[rpos].binop) | 
| 484 | > | if (mop[rpos++].binop != '.') { | 
| 485 | > | fputs( | 
| 486 | > | "Right-to-left evaluation only for matrix multiplication!\n", | 
| 487 | > | stderr); | 
| 488 | > | return(NULL); | 
| 489 | > | } | 
| 490 | > | mright = loadop(mop+rpos); | 
| 491 | > | while (rpos-- > 0) { | 
| 492 | > | if (mright == NULL) | 
| 493 | > | break; | 
| 494 | > | mright = binaryop(mop[rpos+1].inspec, | 
| 495 | > | loadop(mop+rpos), mop[rpos].binop, mright); | 
| 496 | > | } | 
| 497 | > | return(mright); | 
| 498 | > | } | 
| 499 | > |  | 
| 500 | > | #define t_nrows(mop)    ((mop)->preop.transpose ? (mop)->mtx->ncols \ | 
| 501 | > | : (mop)->mtx->nrows) | 
| 502 | > | #define t_ncols(mop)    ((mop)->preop.transpose ? (mop)->mtx->nrows \ | 
| 503 | > | : (mop)->mtx->ncols) | 
| 504 | > |  | 
| 505 | > | /* Should we prefer concatenating from rightmost matrix towards left? */ | 
| 506 | > | int | 
| 507 | > | prefer_right2left(ROPMAT *mop) | 
| 508 | > | { | 
| 509 | > | int     mri = 0; | 
| 510 | > |  | 
| 511 | > | while (mop[mri].binop)          /* find rightmost matrix */ | 
| 512 | > | if (mop[mri++].binop != '.') | 
| 513 | > | return(0);      /* pre-empt reversal for other ops */ | 
| 514 | > |  | 
| 515 | > | if (mri <= 1) | 
| 516 | > | return(0);              /* won't matter */ | 
| 517 | > |  | 
| 518 | > | if (loadmatrix(mop+mri) < 0)    /* load rightmost cat */ | 
| 519 | > | return(1);              /* fail will bail in a moment */ | 
| 520 | > |  | 
| 521 | > | if (t_ncols(mop+mri) == 1) | 
| 522 | > | return(1);              /* definitely better R->L */ | 
| 523 | > |  | 
| 524 | > | if (t_ncols(mop+mri) >= t_nrows(mop+mri)) | 
| 525 | > | return(0);              /* ...probably worse */ | 
| 526 | > |  | 
| 527 | > | if (loadmatrix(mop) < 0)        /* load leftmost */ | 
| 528 | > | return(0);              /* fail will bail in a moment */ | 
| 529 | > |  | 
| 530 | > | return(t_ncols(mop+mri) < t_nrows(mop)); | 
| 531 | > | } | 
| 532 | > |  | 
| 533 | > | int | 
| 534 |  | get_factors(double da[], int n, char *av[]) | 
| 535 |  | { | 
| 536 |  | int     ac; | 
| 540 |  | return(ac); | 
| 541 |  | } | 
| 542 |  |  | 
| 543 | + | ROPMAT * | 
| 544 | + | resize_moparr(ROPMAT *mop, int n2alloc) | 
| 545 | + | { | 
| 546 | + | int     nmats = 0; | 
| 547 | + | int     i; | 
| 548 | + |  | 
| 549 | + | while (mop[nmats++].binop) | 
| 550 | + | ; | 
| 551 | + | for (i = nmats; i >= n2alloc; i--) | 
| 552 | + | rmx_free(mop[i].mtx); | 
| 553 | + | mop = (ROPMAT *)realloc(mop, n2alloc*sizeof(ROPMAT)); | 
| 554 | + | if (mop == NULL) { | 
| 555 | + | fputs("Out of memory in resize_moparr()\n", stderr); | 
| 556 | + | exit(1); | 
| 557 | + | } | 
| 558 | + | if (n2alloc > nmats) | 
| 559 | + | memset(mop+nmats, 0, (n2alloc-nmats)*sizeof(ROPMAT)); | 
| 560 | + | return(mop); | 
| 561 | + | } | 
| 562 | + |  | 
| 563 |  | /* Load one or more matrices and operate on them, sending results to stdout */ | 
| 564 |  | int | 
| 565 |  | main(int argc, char *argv[]) | 
| 566 |  | { | 
| 567 | < | int     outfmt = DTfromHeader; | 
| 568 | < | RMATRIX *mres = NULL; | 
| 569 | < | ROPERAT op; | 
| 570 | < | int     i; | 
| 571 | < | /* initialize */ | 
| 572 | < | op_default(&op); | 
| 567 | > | int             outfmt = DTfromHeader; | 
| 568 | > | const char      *defCsym = NULL; | 
| 569 | > | int             nall = 2; | 
| 570 | > | ROPMAT          *mop = (ROPMAT *)calloc(nall, sizeof(ROPMAT)); | 
| 571 | > | int             nmats = 0; | 
| 572 | > | RMATRIX         *mres = NULL; | 
| 573 | > | int             stdin_used = 0; | 
| 574 | > | int             i; | 
| 575 |  | /* get options and arguments */ | 
| 576 | < | for (i = 1; i < argc; i++) | 
| 576 | > | for (i = 1; i < argc; i++) { | 
| 577 |  | if (argv[i][0] && !argv[i][1] && | 
| 578 | < | strchr("+*/", argv[i][0]) != NULL) { | 
| 579 | < | op.op = argv[i][0]; | 
| 580 | < | } else if (argv[i][0] != '-' || !argv[i][1]) { | 
| 581 | < | char    *fname = NULL;  /* load matrix */ | 
| 582 | < | if (argv[i][0] != '-') | 
| 583 | < | fname = argv[i]; | 
| 201 | < | mres = operate(mres, &op, fname); | 
| 202 | < | if (mres == NULL) { | 
| 203 | < | fprintf(stderr, "%s: operation failed on '%s'\n", | 
| 204 | < | argv[0], argv[i]); | 
| 205 | < | return(0); | 
| 578 | > | strchr(".+*/", argv[i][0]) != NULL) { | 
| 579 | > | if (!nmats || mop[nmats-1].binop) { | 
| 580 | > | fprintf(stderr, | 
| 581 | > | "%s: missing matrix argument before '%c' operation\n", | 
| 582 | > | argv[0], argv[i][0]); | 
| 583 | > | return(1); | 
| 584 |  | } | 
| 585 | < | op_default(&op);        /* reset operator */ | 
| 585 | > | mop[nmats-1].binop = argv[i][0]; | 
| 586 | > | } else if (argv[i][0] != '-' || !argv[i][1]) { | 
| 587 | > | if (argv[i][0] == '-') { | 
| 588 | > | if (stdin_used++) { | 
| 589 | > | fprintf(stderr, | 
| 590 | > | "%s: standard input used for more than one matrix\n", | 
| 591 | > | argv[0]); | 
| 592 | > | return(1); | 
| 593 | > | } | 
| 594 | > | mop[nmats].inspec = stdin_name; | 
| 595 | > | } else | 
| 596 | > | mop[nmats].inspec = argv[i]; | 
| 597 | > | if (!mop[nmats].preop.csym) | 
| 598 | > | mop[nmats].preop.csym = defCsym; | 
| 599 | > | if (nmats > 0 && !mop[nmats-1].binop) | 
| 600 | > | mop[nmats-1].binop = '.'; | 
| 601 | > | nmats++; | 
| 602 |  | } else { | 
| 603 |  | int     n = argc-1 - i; | 
| 604 |  | switch (argv[i][1]) {   /* get option */ | 
| 605 |  | case 'v': | 
| 606 | < | verbose = !verbose; | 
| 606 | > | verbose++; | 
| 607 |  | break; | 
| 608 |  | case 'f': | 
| 609 |  | switch (argv[i][2]) { | 
| 624 |  | } | 
| 625 |  | break; | 
| 626 |  | case 't': | 
| 627 | < | op.transpose = 1; | 
| 627 | > | mop[nmats].preop.transpose = 1; | 
| 628 |  | break; | 
| 629 |  | case 's': | 
| 630 |  | if (n > MAXCOMP) n = MAXCOMP; | 
| 631 | < | op.nsf = get_factors(op.sca, n, argv+i+1); | 
| 632 | < | i += op.nsf; | 
| 631 | > | i += mop[nmats].preop.nsf = | 
| 632 | > | get_factors(mop[nmats].preop.sca, | 
| 633 | > | n, argv+i+1); | 
| 634 | > | if (mop[nmats].preop.nsf <= 0) { | 
| 635 | > | fprintf(stderr, "%s: -s missing arguments\n", | 
| 636 | > | argv[0]); | 
| 637 | > | goto userr; | 
| 638 | > | } | 
| 639 |  | break; | 
| 640 | + | case 'C': | 
| 641 | + | if (!n || isflt(argv[i+1])) | 
| 642 | + | goto userr; | 
| 643 | + | defCsym = mop[nmats].preop.csym = argv[++i]; | 
| 644 | + | mop[nmats].preop.clen = 0; | 
| 645 | + | break; | 
| 646 |  | case 'c': | 
| 647 | + | if (n && !isflt(argv[i+1])) { | 
| 648 | + | mop[nmats].preop.csym = argv[++i]; | 
| 649 | + | mop[nmats].preop.clen = 0; | 
| 650 | + | break; | 
| 651 | + | } | 
| 652 |  | if (n > MAXCOMP*MAXCOMP) n = MAXCOMP*MAXCOMP; | 
| 653 | < | op.clen = get_factors(op.cmat, n, argv+i+1); | 
| 654 | < | i += op.clen; | 
| 653 | > | i += mop[nmats].preop.clen = | 
| 654 | > | get_factors(mop[nmats].preop.cmat, | 
| 655 | > | n, argv+i+1); | 
| 656 | > | if (mop[nmats].preop.clen <= 0) { | 
| 657 | > | fprintf(stderr, "%s: -c missing arguments\n", | 
| 658 | > | argv[0]); | 
| 659 | > | goto userr; | 
| 660 | > | } | 
| 661 | > | mop[nmats].preop.csym = NULL; | 
| 662 |  | break; | 
| 663 | + | case 'r': | 
| 664 | + | if (argv[i][2] == 'f') | 
| 665 | + | mop[nmats].rmp = RMPreflF; | 
| 666 | + | else if (argv[i][2] == 'b') | 
| 667 | + | mop[nmats].rmp = RMPreflB; | 
| 668 | + | else | 
| 669 | + | goto userr; | 
| 670 | + | break; | 
| 671 |  | default: | 
| 672 |  | fprintf(stderr, "%s: unknown operation '%s'\n", | 
| 673 |  | argv[0], argv[i]); | 
| 674 |  | goto userr; | 
| 675 |  | } | 
| 676 |  | } | 
| 677 | < | if (mres == NULL)               /* check that we got something */ | 
| 677 | > | if (nmats >= nall) | 
| 678 | > | mop = resize_moparr(mop, nall += 2); | 
| 679 | > | } | 
| 680 | > | if (mop[0].inspec == NULL)      /* nothing to do? */ | 
| 681 |  | goto userr; | 
| 682 | < | /* write result to stdout */ | 
| 683 | < | if (outfmt == DTfromHeader) | 
| 684 | < | outfmt = mres->dtype; | 
| 685 | < | if (outfmt != DTascii) | 
| 257 | < | SET_FILE_BINARY(stdout); | 
| 258 | < | newheader("RADIANCE", stdout); | 
| 259 | < | printargs(argc, argv, stdout); | 
| 260 | < | if (!rmx_write(mres, outfmt, stdout)) { | 
| 261 | < | fprintf(stderr, "%s: error writing result matrix\n", argv[0]); | 
| 682 | > | if (mop[nmats-1].binop) { | 
| 683 | > | fprintf(stderr, | 
| 684 | > | "%s: missing matrix argument after '%c' operation\n", | 
| 685 | > | argv[0], mop[nmats-1].binop); | 
| 686 |  | return(1); | 
| 687 |  | } | 
| 688 | < | /* rmx_free(mres); mres = NULL; */ | 
| 689 | < | return(0); | 
| 688 | > | /* favor quicker concatenation */ | 
| 689 | > | mop[nmats].mtx = prefer_right2left(mop) ? op_right2left(mop) | 
| 690 | > | : op_left2right(mop); | 
| 691 | > | if (mop[nmats].mtx == NULL) | 
| 692 | > | return(1); | 
| 693 | > | /* apply trailing unary operations */ | 
| 694 | > | mop[nmats].inspec = "trailing_ops"; | 
| 695 | > | mres = loadop(mop+nmats); | 
| 696 | > | if (mres == NULL) | 
| 697 | > | return(1); | 
| 698 | > | if ((outfmt == DTfromHeader) & (mres->dtype < DTspec)) | 
| 699 | > | outfmt = mres->dtype; | 
| 700 | > | if (outfmt == DTrgbe) {         /* check data type */ | 
| 701 | > | if (mres->ncomp > 3) | 
| 702 | > | outfmt = DTspec; | 
| 703 | > | else if (mres->dtype == DTxyze) | 
| 704 | > | outfmt = DTxyze; | 
| 705 | > | } | 
| 706 | > | #if DTrmx_native==DTfloat | 
| 707 | > | if (outfmt == DTdouble) | 
| 708 | > | fprintf(stderr, | 
| 709 | > | "%s: warning - writing float result as double\n", | 
| 710 | > | argv[0]); | 
| 711 | > | #endif | 
| 712 | > | newheader("RADIANCE", stdout);  /* write result to stdout */ | 
| 713 | > | printargs(argc, argv, stdout); | 
| 714 | > | return(rmx_write(mres, outfmt, stdout) ? 0 : 1); | 
| 715 |  | userr: | 
| 716 |  | fprintf(stderr, | 
| 717 | < | "Usage: %s [-v][-f[adfc][-t][-s sf .. | -c ce ..] m1 [+*/] .. > mres\n", | 
| 717 | > | "Usage: %s [-v][-f{adfc}][-t][-s sf .. | -c ce ..][-rf|-rb] m1 [.+*/] .. > mres\n", | 
| 718 |  | argv[0]); | 
| 719 |  | return(1); | 
| 720 |  | } |