| 1 | greg | 2.1 | #ifndef lint | 
| 2 | greg | 2.26 | static const char RCSid[] = "$Id: rcomb.c,v 2.25 2024/08/21 01:09:25 greg Exp $"; | 
| 3 | greg | 2.1 | #endif | 
| 4 |  |  | /* | 
| 5 |  |  | * General component matrix combiner, operating on a row at a time. | 
| 6 | greg | 2.18 | * | 
| 7 |  |  | * Multi-processing mode under Unix creates children that each work | 
| 8 | greg | 2.19 | * on one input row at a time, fed by the original process.  Final conversion | 
| 9 | greg | 2.20 | * and output to stdout is sorted by last child while its siblings send it | 
| 10 | greg | 2.19 | * their record calculations. | 
| 11 | greg | 2.1 | */ | 
| 12 |  |  |  | 
| 13 |  |  | #include <math.h> | 
| 14 |  |  | #include "platform.h" | 
| 15 | greg | 2.10 | #include "rtprocess.h" | 
| 16 | greg | 2.1 | #include "rtio.h" | 
| 17 |  |  | #include "rmatrix.h" | 
| 18 |  |  | #include "calcomp.h" | 
| 19 |  |  |  | 
| 20 |  |  | #ifndef M_PI | 
| 21 |  |  | #define M_PI    3.14159265358979323846 | 
| 22 |  |  | #endif | 
| 23 |  |  |  | 
| 24 |  |  | #define MAXCOMP         MAXCSAMP        /* #components we support */ | 
| 25 |  |  |  | 
| 26 |  |  | /* Unary matrix operation(s) */ | 
| 27 |  |  | typedef struct { | 
| 28 |  |  | double          cmat[MAXCOMP*MAXCOMP];  /* component transformation */ | 
| 29 |  |  | double          sca[MAXCOMP];           /* scalar coefficients */ | 
| 30 |  |  | const char      *csym;                  /* symbolic coefficients */ | 
| 31 |  |  | short           clen;                   /* number of coefficients */ | 
| 32 |  |  | short           nsf;                    /* number of scalars */ | 
| 33 |  |  | } RUNARYOP; | 
| 34 |  |  |  | 
| 35 |  |  | /* Input matrix */ | 
| 36 |  |  | typedef struct { | 
| 37 |  |  | const char      *inspec;                /* input specification */ | 
| 38 |  |  | RUNARYOP        preop;                  /* transform operation */ | 
| 39 |  |  | RMATRIX         imx;                    /* input matrix header info */ | 
| 40 |  |  | RMATRIX         *rmp;                   /* active single-row matrix */ | 
| 41 |  |  | FILE            *infp;                  /* open input stream */ | 
| 42 |  |  | } ROPMAT; | 
| 43 |  |  |  | 
| 44 |  |  | ROPMAT          *mop = NULL;                    /* allocated input array */ | 
| 45 |  |  | int             nall = 0;                       /* number allocated */ | 
| 46 |  |  | int             nmats = 0;                      /* number of actual inputs */ | 
| 47 |  |  |  | 
| 48 |  |  | RMATRIX         *mcat = NULL;                   /* final concatenation */ | 
| 49 |  |  | int             mcat_last = 0;                  /* goes after trailing ops? */ | 
| 50 |  |  |  | 
| 51 | greg | 2.2 | int             in_nrows;                       /* number of input rows (or 0) */ | 
| 52 |  |  | #define in_ncols        (mop[0].rmp->ncols)     /* number of input columns */ | 
| 53 | greg | 2.1 | #define in_ncomp        (mop[0].rmp->ncomp)     /* input #components */ | 
| 54 |  |  |  | 
| 55 |  |  | extern int      nowarn;                         /* turn off warnings? */ | 
| 56 |  |  |  | 
| 57 |  |  | int             cur_row;                        /* current input/output row */ | 
| 58 |  |  | int             cur_col;                        /* current input/output column */ | 
| 59 |  |  | int             cur_chan;                       /* if we're looping channels */ | 
| 60 |  |  |  | 
| 61 | greg | 2.10 | SUBPROC         *cproc = NULL;                  /* child process array */ | 
| 62 |  |  | int             nchildren = 0;                  /* # of child processes */ | 
| 63 |  |  | int             inchild = -1;                   /* our child ID (-1: parent) */ | 
| 64 |  |  |  | 
| 65 | greg | 2.22 | extern int      checksymbolic(ROPMAT *rop); | 
| 66 | greg | 2.1 |  | 
| 67 | greg | 2.22 | int | 
| 68 | greg | 2.1 | split_input(ROPMAT *rop) | 
| 69 |  |  | { | 
| 70 |  |  | if (rop->rmp == &rop->imx && !(rop->rmp = rmx_copy(&rop->imx))) { | 
| 71 |  |  | fputs("Out of memory in split_input()\n", stderr); | 
| 72 |  |  | return(0); | 
| 73 |  |  | } | 
| 74 |  |  | rmx_reset(rop->rmp); | 
| 75 |  |  | return(1); | 
| 76 |  |  | } | 
| 77 |  |  |  | 
| 78 |  |  | /* Check/set transform based on a reference input file */ | 
| 79 | greg | 2.22 | int | 
| 80 | greg | 2.1 | checkreffile(ROPMAT *rop) | 
| 81 |  |  | { | 
| 82 |  |  | static const char       *curRF = NULL; | 
| 83 |  |  | static RMATRIX          refm; | 
| 84 |  |  | const int               nc = rop->imx.ncomp; | 
| 85 |  |  | int                     i; | 
| 86 |  |  |  | 
| 87 |  |  | if (!curRF || strcmp(rop->preop.csym, curRF)) { | 
| 88 |  |  | FILE    *fp = fopen(rop->preop.csym, "rb"); | 
| 89 |  |  | if (!rmx_load_header(&refm, fp)) { | 
| 90 |  |  | fprintf(stderr, "%s: cannot read info header\n", | 
| 91 |  |  | rop->preop.csym); | 
| 92 |  |  | curRF = NULL; | 
| 93 |  |  | if (fp) fclose(fp); | 
| 94 |  |  | return(0); | 
| 95 |  |  | } | 
| 96 |  |  | fclose(fp); | 
| 97 |  |  | curRF = rop->preop.csym; | 
| 98 |  |  | } | 
| 99 |  |  | if (refm.ncomp == 3) { | 
| 100 |  |  | rop->preop.csym = (refm.dtype == DTxyze) ? "XYZ" : "RGB"; | 
| 101 |  |  | return(checksymbolic(rop)); | 
| 102 |  |  | } | 
| 103 |  |  | if (refm.ncomp == 2) { | 
| 104 |  |  | fprintf(stderr, "%s: cannot convert to 2 components\n", | 
| 105 |  |  | curRF); | 
| 106 |  |  | return(0); | 
| 107 |  |  | } | 
| 108 |  |  | if (refm.ncomp == 1) { | 
| 109 |  |  | rop->preop.csym = "Y";          /* XXX big assumption */ | 
| 110 |  |  | return(checksymbolic(rop)); | 
| 111 |  |  | } | 
| 112 |  |  | if (refm.ncomp == nc && | 
| 113 |  |  | !memcmp(refm.wlpart, rop->imx.wlpart, sizeof(refm.wlpart))) | 
| 114 |  |  | return(1);                      /* nothing to do */ | 
| 115 |  |  |  | 
| 116 |  |  | if ((nc <= 3) | (nc > MAXCSAMP) | (refm.ncomp > MAXCSAMP)) { | 
| 117 |  |  | fprintf(stderr, "%s: cannot resample from %d to %d components\n", | 
| 118 |  |  | curRF, nc, refm.ncomp); | 
| 119 |  |  | return(0); | 
| 120 |  |  | } | 
| 121 |  |  | if (!split_input(rop))                  /* get our own struct */ | 
| 122 |  |  | return(0); | 
| 123 |  |  | rop->preop.clen = refm.ncomp * nc;      /* compute spec to ref */ | 
| 124 |  |  |  | 
| 125 |  |  | for (i = 0; i < nc; i++) { | 
| 126 |  |  | SCOLOR  scstim, scresp; | 
| 127 |  |  | int     j; | 
| 128 |  |  | memset(scstim, 0, sizeof(COLORV)*nc); | 
| 129 |  |  | scstim[i] = 1.f; | 
| 130 |  |  | convertscolor(scresp, refm.ncomp, refm.wlpart[0], refm.wlpart[3], | 
| 131 |  |  | scstim, nc, rop->imx.wlpart[0], rop->imx.wlpart[3]); | 
| 132 |  |  | for (j = refm.ncomp; j-- > 0; ) | 
| 133 |  |  | rop->preop.cmat[j*nc + i] = scresp[j]; | 
| 134 |  |  | } | 
| 135 |  |  | /* remember new spectral params */ | 
| 136 |  |  | memcpy(rop->rmp->wlpart, refm.wlpart, sizeof(rop->rmp->wlpart)); | 
| 137 |  |  | rop->rmp->ncomp = refm.ncomp; | 
| 138 |  |  | return(1); | 
| 139 |  |  | } | 
| 140 |  |  |  | 
| 141 |  |  | /* Compute conversion row from spectrum to one channel of RGB */ | 
| 142 | greg | 2.22 | void | 
| 143 | greg | 2.1 | rgbrow(ROPMAT *rop, int r, int p) | 
| 144 |  |  | { | 
| 145 |  |  | const int       nc = rop->imx.ncomp; | 
| 146 |  |  | const float *   wlp = rop->imx.wlpart; | 
| 147 |  |  | int             i; | 
| 148 |  |  |  | 
| 149 |  |  | for (i = nc; i--; ) { | 
| 150 |  |  | int     nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc; | 
| 151 |  |  | int     nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc; | 
| 152 |  |  | COLOR   crgb; | 
| 153 |  |  | spec_rgb(crgb, nmStart, nmEnd); | 
| 154 |  |  | rop->preop.cmat[r*nc+i] = crgb[p]; | 
| 155 |  |  | } | 
| 156 |  |  | } | 
| 157 |  |  |  | 
| 158 |  |  | /* Compute conversion row from spectrum to one channel of XYZ */ | 
| 159 | greg | 2.22 | void | 
| 160 | greg | 2.1 | xyzrow(ROPMAT *rop, int r, int p) | 
| 161 |  |  | { | 
| 162 |  |  | const int       nc = rop->imx.ncomp; | 
| 163 |  |  | const float *   wlp = rop->imx.wlpart; | 
| 164 |  |  | int             i; | 
| 165 |  |  |  | 
| 166 |  |  | for (i = nc; i--; ) { | 
| 167 |  |  | int     nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc; | 
| 168 |  |  | int     nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc; | 
| 169 |  |  | COLOR   cxyz; | 
| 170 |  |  | spec_cie(cxyz, nmStart, nmEnd); | 
| 171 |  |  | rop->preop.cmat[r*nc+i] = cxyz[p]; | 
| 172 |  |  | } | 
| 173 |  |  | } | 
| 174 |  |  |  | 
| 175 |  |  | /* Use the spectral sensitivity function to compute matrix coefficients */ | 
| 176 | greg | 2.22 | void | 
| 177 | greg | 2.25 | sensrow(ROPMAT *rop, int r, double (*sf)(const SCOLOR sc, int ncs, const float wlpt[4])) | 
| 178 | greg | 2.1 | { | 
| 179 |  |  | const int       nc = rop->imx.ncomp; | 
| 180 |  |  | int             i; | 
| 181 |  |  |  | 
| 182 |  |  | for (i = nc; i--; ) { | 
| 183 |  |  | SCOLOR  sclr; | 
| 184 |  |  | memset(sclr, 0, sizeof(COLORV)*nc); | 
| 185 |  |  | sclr[i] = 1.f; | 
| 186 |  |  | rop->preop.cmat[r*nc+i] = (*sf)(sclr, nc, rop->imx.wlpart); | 
| 187 |  |  | } | 
| 188 |  |  | } | 
| 189 |  |  |  | 
| 190 |  |  | /* Check/set symbolic transform */ | 
| 191 | greg | 2.22 | int | 
| 192 | greg | 2.1 | checksymbolic(ROPMAT *rop) | 
| 193 |  |  | { | 
| 194 |  |  | const int       nc = rop->imx.ncomp; | 
| 195 |  |  | const int       dt = rop->imx.dtype; | 
| 196 | greg | 2.3 | double          cf = 1; | 
| 197 | greg | 2.1 | int             i, j; | 
| 198 |  |  | /* check suffix => reference file */ | 
| 199 |  |  | if (strchr(rop->preop.csym, '.') > rop->preop.csym) | 
| 200 |  |  | return(checkreffile(rop)); | 
| 201 |  |  |  | 
| 202 |  |  | if (nc < 3) { | 
| 203 |  |  | fprintf(stderr, "%s: -c '%s' requires at least 3 components\n", | 
| 204 |  |  | rop->inspec, rop->preop.csym); | 
| 205 |  |  | return(0); | 
| 206 |  |  | } | 
| 207 |  |  | rop->preop.clen = strlen(rop->preop.csym) * nc; | 
| 208 |  |  | if (rop->preop.clen > MAXCOMP*MAXCOMP) { | 
| 209 |  |  | fprintf(stderr, "%s: -c '%s' results in too many components\n", | 
| 210 |  |  | rop->inspec, rop->preop.csym); | 
| 211 |  |  | return(0); | 
| 212 |  |  | } | 
| 213 |  |  | for (j = 0; rop->preop.csym[j]; j++) { | 
| 214 |  |  | int     comp = 0; | 
| 215 |  |  | switch (rop->preop.csym[j]) { | 
| 216 |  |  | case 'B': | 
| 217 | greg | 2.3 | case 'b': | 
| 218 | greg | 2.1 | ++comp; | 
| 219 |  |  | /* fall through */ | 
| 220 |  |  | case 'G': | 
| 221 | greg | 2.3 | case 'g': | 
| 222 | greg | 2.1 | ++comp; | 
| 223 |  |  | /* fall through */ | 
| 224 |  |  | case 'R': | 
| 225 | greg | 2.3 | case 'r': | 
| 226 |  |  | if (rop->preop.csym[j] <= 'Z') | 
| 227 |  |  | cf = 1./WHTEFFICACY; | 
| 228 | greg | 2.1 | if (dt == DTxyze) { | 
| 229 |  |  | for (i = 3; i--; ) | 
| 230 | greg | 2.3 | rop->preop.cmat[j*nc+i] = cf*xyz2rgbmat[comp][i]; | 
| 231 | greg | 2.1 | } else if (nc == 3) | 
| 232 |  |  | rop->preop.cmat[j*nc+comp] = 1.; | 
| 233 |  |  | else | 
| 234 |  |  | rgbrow(rop, j, comp); | 
| 235 |  |  | break; | 
| 236 |  |  | case 'Z': | 
| 237 | greg | 2.3 | case 'z': | 
| 238 | greg | 2.1 | ++comp; | 
| 239 |  |  | /* fall through */ | 
| 240 |  |  | case 'Y': | 
| 241 | greg | 2.3 | case 'y': | 
| 242 | greg | 2.1 | ++comp; | 
| 243 |  |  | /* fall through */ | 
| 244 |  |  | case 'X': | 
| 245 | greg | 2.3 | case 'x': | 
| 246 |  |  | if ((rop->preop.csym[j] <= 'Z') & (dt != DTxyze)) | 
| 247 |  |  | cf = WHTEFFICACY; | 
| 248 | greg | 2.1 | if (dt == DTxyze) { | 
| 249 |  |  | rop->preop.cmat[j*nc+comp] = 1.; | 
| 250 |  |  | } else if (nc == 3) { | 
| 251 |  |  | for (i = 3; i--; ) | 
| 252 |  |  | rop->preop.cmat[j*nc+i] = | 
| 253 |  |  | rgb2xyzmat[comp][i]; | 
| 254 |  |  | } else if (comp == CIEY) | 
| 255 |  |  | sensrow(rop, j, scolor2photopic); | 
| 256 |  |  | else | 
| 257 |  |  | xyzrow(rop, j, comp); | 
| 258 |  |  |  | 
| 259 | greg | 2.3 | for (i = nc*(cf != 1); i--; ) | 
| 260 |  |  | rop->preop.cmat[j*nc+i] *= cf; | 
| 261 | greg | 2.1 | break; | 
| 262 |  |  | case 'S':               /* scotopic (il)luminance */ | 
| 263 | greg | 2.3 | cf = WHTSCOTOPIC; | 
| 264 |  |  | /* fall through */ | 
| 265 |  |  | case 's': | 
| 266 | greg | 2.1 | sensrow(rop, j, scolor2scotopic); | 
| 267 | greg | 2.3 | for (i = nc*(cf != 1); i--; ) | 
| 268 |  |  | rop->preop.cmat[j*nc+i] *= cf; | 
| 269 | greg | 2.1 | break; | 
| 270 |  |  | case 'M':               /* melanopic (il)luminance */ | 
| 271 | greg | 2.3 | cf = WHTMELANOPIC; | 
| 272 |  |  | /* fall through */ | 
| 273 |  |  | case 'm': | 
| 274 | greg | 2.1 | sensrow(rop, j, scolor2melanopic); | 
| 275 | greg | 2.3 | for (i = nc*(cf != 1); i--; ) | 
| 276 |  |  | rop->preop.cmat[j*nc+i] *= cf; | 
| 277 | greg | 2.1 | break; | 
| 278 |  |  | case 'A':               /* average component */ | 
| 279 | greg | 2.3 | case 'a': | 
| 280 | greg | 2.1 | for (i = nc; i--; ) | 
| 281 |  |  | rop->preop.cmat[j*nc+i] = 1./(double)nc; | 
| 282 |  |  | break; | 
| 283 |  |  | default: | 
| 284 |  |  | fprintf(stderr, "%s: -c '%c' unsupported\n", | 
| 285 |  |  | rop->inspec, rop->preop.csym[j]); | 
| 286 |  |  | return(0); | 
| 287 |  |  | } | 
| 288 |  |  | } | 
| 289 |  |  | if (!split_input(rop))          /* get our own struct */ | 
| 290 |  |  | return(0); | 
| 291 |  |  | memcpy(rop->rmp->wlpart, WLPART, sizeof(rop->rmp->wlpart)); | 
| 292 |  |  | rop->rmp->ncomp = rop->preop.clen / nc; | 
| 293 |  |  | /* decide on output type */ | 
| 294 | greg | 2.4 | if (!strcasecmp(rop->preop.csym, "XYZ")) { | 
| 295 | greg | 2.1 | if (dt <= DTspec) | 
| 296 |  |  | rop->rmp->dtype = DTxyze; | 
| 297 | greg | 2.4 | } else if (!strcasecmp(rop->preop.csym, "RGB")) { | 
| 298 | greg | 2.1 | if (dt <= DTspec) | 
| 299 |  |  | rop->rmp->dtype = DTrgbe; | 
| 300 |  |  | } else if (rop->rmp->dtype == DTspec) | 
| 301 |  |  | rop->rmp->dtype = DTfloat; | 
| 302 |  |  | return(1); | 
| 303 |  |  | } | 
| 304 |  |  |  | 
| 305 | greg | 2.22 | int | 
| 306 | greg | 2.1 | get_component_xfm(ROPMAT *rop) | 
| 307 |  |  | { | 
| 308 |  |  | int     i, j; | 
| 309 |  |  |  | 
| 310 |  |  | if (rop->rmp != &rop->imx) {            /* reset destination matrix */ | 
| 311 |  |  | rmx_free(rop->rmp); | 
| 312 |  |  | rop->rmp = &rop->imx; | 
| 313 |  |  | } | 
| 314 |  |  | if (rop->preop.csym &&                  /* symbolic transform? */ | 
| 315 |  |  | !checksymbolic(rop)) | 
| 316 |  |  | return(0); | 
| 317 |  |  | /* undo exposure? */ | 
| 318 |  |  | if (fabs(1. - bright(rop->rmp->cexp)) > .025) { | 
| 319 |  |  | if (rop->rmp->ncomp == 1) | 
| 320 |  |  | rop->rmp->cexp[RED] = rop->rmp->cexp[GRN] = | 
| 321 |  |  | rop->rmp->cexp[BLU] = bright(rop->rmp->cexp); | 
| 322 |  |  | if (rop->preop.nsf <= 0) { | 
| 323 |  |  | rop->preop.nsf = i = rop->rmp->ncomp; | 
| 324 |  |  | while (i--) | 
| 325 |  |  | rop->preop.sca[i] = 1.; | 
| 326 |  |  | } | 
| 327 |  |  | if (rop->preop.nsf == 1) { | 
| 328 |  |  | if (rop->rmp->ncomp == 3) { | 
| 329 |  |  | rop->preop.sca[2] = rop->preop.sca[1] = | 
| 330 |  |  | rop->preop.sca[0]; | 
| 331 |  |  | rop->preop.nsf = 3; | 
| 332 |  |  | } else | 
| 333 |  |  | rop->preop.sca[0] /= bright(rop->rmp->cexp); | 
| 334 |  |  | } | 
| 335 |  |  | if (rop->preop.nsf == 3) { | 
| 336 |  |  | opcolor(rop->preop.sca, /=, rop->rmp->cexp); | 
| 337 |  |  | } else if (rop->preop.nsf > 3) {        /* punt */ | 
| 338 |  |  | double  mult = 1./bright(rop->rmp->cexp); | 
| 339 |  |  | for (i = rop->preop.nsf; i--; ) | 
| 340 |  |  | rop->preop.sca[i] *= mult; | 
| 341 |  |  | } | 
| 342 |  |  | setcolor(rop->rmp->cexp, 1., 1., 1.); | 
| 343 |  |  | } | 
| 344 |  |  | if (rop->preop.clen > 0) {              /* use component transform? */ | 
| 345 |  |  | if (rop->preop.clen % rop->imx.ncomp) { | 
| 346 |  |  | fprintf(stderr, "%s: -c must have N x %d coefficients\n", | 
| 347 |  |  | rop->inspec, rop->imx.ncomp); | 
| 348 |  |  | return(0); | 
| 349 |  |  | } | 
| 350 |  |  | if (rop->preop.nsf > 0) {       /* scale transform, instead */ | 
| 351 |  |  | if (rop->preop.nsf == 1) { | 
| 352 |  |  | for (i = rop->preop.clen; i--; ) | 
| 353 |  |  | rop->preop.cmat[i] *= rop->preop.sca[0]; | 
| 354 |  |  | } else if (rop->preop.nsf*rop->imx.ncomp != rop->preop.clen) { | 
| 355 |  |  | fprintf(stderr, "%s: -s must have one or %d factors\n", | 
| 356 |  |  | rop->inspec, | 
| 357 |  |  | rop->preop.clen/rop->imx.ncomp); | 
| 358 |  |  | return(0); | 
| 359 |  |  | } else { | 
| 360 |  |  | for (i = rop->preop.nsf; i--; ) | 
| 361 |  |  | for (j = rop->imx.ncomp; j--; ) | 
| 362 |  |  | rop->preop.cmat[i*rop->imx.ncomp+j] | 
| 363 |  |  | *= rop->preop.sca[i]; | 
| 364 |  |  | } | 
| 365 |  |  | } | 
| 366 |  |  | rop->preop.nsf = 0;             /* now folded in */ | 
| 367 |  |  | if (!split_input(rop))          /* get our own struct */ | 
| 368 |  |  | return(0); | 
| 369 |  |  | rop->rmp->ncomp = rop->preop.clen / rop->imx.ncomp; | 
| 370 |  |  | if ((rop->rmp->ncomp > 3) & (rop->rmp->dtype <= DTspec)) { | 
| 371 |  |  | rop->rmp->dtype = DTfloat;      /* probably not actual spectrum */ | 
| 372 |  |  | memcpy(rop->rmp->wlpart, WLPART, sizeof(rop->rmp->wlpart)); | 
| 373 |  |  | } | 
| 374 |  |  | } else if (rop->preop.nsf > 0) {        /* else use scalar(s)? */ | 
| 375 |  |  | if (rop->preop.nsf == 1) { | 
| 376 |  |  | for (i = rop->rmp->ncomp; --i; ) | 
| 377 |  |  | rop->preop.sca[i] = rop->preop.sca[0]; | 
| 378 |  |  | rop->preop.nsf = rop->rmp->ncomp; | 
| 379 |  |  | } else if (rop->preop.nsf != rop->rmp->ncomp) { | 
| 380 |  |  | fprintf(stderr, "%s: -s must have one or %d factors\n", | 
| 381 |  |  | rop->inspec, rop->rmp->ncomp); | 
| 382 |  |  | return(0); | 
| 383 |  |  | } | 
| 384 |  |  | } | 
| 385 |  |  | return(1); | 
| 386 |  |  | } | 
| 387 |  |  |  | 
| 388 | greg | 2.22 | int | 
| 389 | greg | 2.1 | apply_op(RMATRIX *dst, const RMATRIX *src, const RUNARYOP *ro) | 
| 390 |  |  | { | 
| 391 |  |  | if (ro->clen > 0) { | 
| 392 |  |  | RMATRIX *res = rmx_transform(src, dst->ncomp, ro->cmat); | 
| 393 |  |  | if (!res) { | 
| 394 |  |  | fputs("Error in call to rmx_transform()\n", stderr); | 
| 395 |  |  | return(0); | 
| 396 |  |  | } | 
| 397 |  |  | if (!rmx_transfer_data(dst, res, 0)) | 
| 398 |  |  | return(0); | 
| 399 |  |  | rmx_free(res); | 
| 400 |  |  | } else if (dst != src) | 
| 401 | greg | 2.9 | memcpy(dst->mtx, src->mtx, rmx_array_size(dst)); | 
| 402 | greg | 2.1 | if (ro->nsf == dst->ncomp) | 
| 403 |  |  | rmx_scale(dst, ro->sca); | 
| 404 |  |  | return(1); | 
| 405 |  |  | } | 
| 406 |  |  |  | 
| 407 | greg | 2.22 | int | 
| 408 | greg | 2.1 | open_input(ROPMAT *rop) | 
| 409 |  |  | { | 
| 410 |  |  | int     outtype; | 
| 411 |  |  |  | 
| 412 |  |  | if (!rop || !rop->inspec || !rop->inspec[0]) | 
| 413 |  |  | return(0); | 
| 414 |  |  | if (rop->inspec == stdin_name) | 
| 415 |  |  | rop->infp = stdin; | 
| 416 |  |  | else if (rop->inspec[0] == '!') | 
| 417 |  |  | rop->infp = popen(rop->inspec+1, "r"); | 
| 418 |  |  | else | 
| 419 |  |  | rop->infp = fopen(rop->inspec, "rb"); | 
| 420 |  |  |  | 
| 421 |  |  | if (!rmx_load_header(&rop->imx, rop->infp)) { | 
| 422 |  |  | fprintf(stderr, "Bad header from: %s\n", rop->inspec); | 
| 423 |  |  | return(0); | 
| 424 |  |  | } | 
| 425 |  |  | return(get_component_xfm(rop)); | 
| 426 |  |  | } | 
| 427 |  |  |  | 
| 428 |  |  | /* Return nominal wavelength associated with input component (return nm) */ | 
| 429 | greg | 2.22 | double | 
| 430 | greg | 2.1 | l_wavelength(char *nam) | 
| 431 |  |  | { | 
| 432 |  |  | double  comp = argument(1); | 
| 433 |  |  |  | 
| 434 |  |  | if ((comp < -.5) | (comp >= in_ncomp+.5)) { | 
| 435 |  |  | errno = EDOM; | 
| 436 |  |  | return(.0); | 
| 437 |  |  | } | 
| 438 |  |  | if (comp < .5)                          /* asking for #components? */ | 
| 439 |  |  | return(in_ncomp); | 
| 440 |  |  |  | 
| 441 |  |  | if (in_ncomp == 3) {                    /* special case for RGB */ | 
| 442 |  |  | const int       w0 = (int)(comp - .5); | 
| 443 |  |  | return(mop[0].rmp->wlpart[w0] + | 
| 444 |  |  | (comp-.5)*(mop[0].rmp->wlpart[w0+1] - | 
| 445 |  |  | mop[0].rmp->wlpart[w0])); | 
| 446 |  |  | } | 
| 447 |  |  | return(mop[0].rmp->wlpart[0] +          /* general case, even div. */ | 
| 448 |  |  | (comp-.5)/(double)in_ncomp * | 
| 449 |  |  | (mop[0].rmp->wlpart[3] - mop[0].rmp->wlpart[0])); | 
| 450 |  |  | } | 
| 451 |  |  |  | 
| 452 |  |  | /* Return ith input with optional channel selector */ | 
| 453 | greg | 2.22 | double | 
| 454 | greg | 2.1 | l_chanin(char *nam) | 
| 455 |  |  | { | 
| 456 |  |  | double  inp = argument(1); | 
| 457 |  |  | int     mi, chan; | 
| 458 |  |  |  | 
| 459 |  |  | if ((mi = (int)(inp-.5)) < 0 || mi >= nmats) { | 
| 460 |  |  | errno = EDOM; | 
| 461 |  |  | return(.0); | 
| 462 |  |  | } | 
| 463 |  |  | if (inp < .5)                   /* asking for #inputs? */ | 
| 464 |  |  | return(nmats); | 
| 465 |  |  |  | 
| 466 |  |  | if (nargum() >= 2) { | 
| 467 |  |  | double  cval = argument(2); | 
| 468 |  |  | if (cval < .5 || (chan = (int)(cval-.5)) >= in_ncomp) { | 
| 469 |  |  | errno = EDOM; | 
| 470 |  |  | return(.0); | 
| 471 |  |  | } | 
| 472 |  |  | } else | 
| 473 |  |  | chan = cur_chan; | 
| 474 |  |  |  | 
| 475 |  |  | return(mop[mi].rmp->mtx[cur_col*in_ncomp + chan]); | 
| 476 |  |  | } | 
| 477 |  |  |  | 
| 478 | greg | 2.22 | int | 
| 479 | greg | 2.1 | initialize(RMATRIX *imp) | 
| 480 |  |  | { | 
| 481 |  |  | int     i; | 
| 482 |  |  | /* XXX struct is zeroed coming in */ | 
| 483 |  |  | setcolor(imp->cexp, 1.f, 1.f, 1.f); | 
| 484 |  |  | for (i = 0; i < nmats; i++) {   /* open each input */ | 
| 485 |  |  | int     restype; | 
| 486 |  |  | if (!open_input(&mop[i])) | 
| 487 |  |  | return(0); | 
| 488 |  |  | restype = mop[i].rmp->dtype; | 
| 489 |  |  | if (!imp->dtype || (restype = rmx_newtype(restype, imp->dtype)) > 0) | 
| 490 |  |  | imp->dtype = restype; | 
| 491 | greg | 2.24 | else if (!nowarn) | 
| 492 | greg | 2.1 | fprintf(stderr, "%s: warning - data type mismatch\n", | 
| 493 |  |  | mop[i].inspec); | 
| 494 |  |  | if (!i) { | 
| 495 |  |  | imp->ncols = mop[0].rmp->ncols; | 
| 496 |  |  | imp->ncomp = mop[0].rmp->ncomp; | 
| 497 |  |  | memcpy(imp->wlpart, mop[0].rmp->wlpart, sizeof(imp->wlpart)); | 
| 498 | greg | 2.2 | } else if ((mop[i].rmp->ncols != imp->ncols) | | 
| 499 |  |  | (mop[i].rmp->ncomp != imp->ncomp) | | 
| 500 |  |  | ((in_nrows > 0) & (mop[i].rmp->nrows > 0) & | 
| 501 |  |  | (mop[i].rmp->nrows != in_nrows))) { | 
| 502 | greg | 2.1 | fprintf(stderr, "%s: mismatch in size or #components\n", | 
| 503 |  |  | mop[i].inspec); | 
| 504 |  |  | return(0); | 
| 505 |  |  | }                       /* XXX should check wlpart? */ | 
| 506 | greg | 2.2 | if (in_nrows <= 0) | 
| 507 |  |  | in_nrows = imp->nrows = mop[i].rmp->nrows; | 
| 508 | greg | 2.1 | }                               /* set up .cal environment */ | 
| 509 |  |  | esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; | 
| 510 |  |  | esupport &= ~(E_OUTCHAN|E_INCHAN); | 
| 511 |  |  | varset("PI", ':', M_PI); | 
| 512 |  |  | varset("nfiles", ':', nmats); | 
| 513 |  |  | varset("nrows", ':', in_nrows); | 
| 514 |  |  | varset("ncols", ':', in_ncols); | 
| 515 |  |  | varset("ncomp", ':', in_ncomp); | 
| 516 |  |  | varset("R", ':', 1.); | 
| 517 |  |  | varset("G", ':', 2.); | 
| 518 |  |  | varset("B", ':', 3.); | 
| 519 |  |  | funset("wl", 1, ':', l_wavelength); | 
| 520 |  |  | funset("ci", 1, '=', l_chanin); | 
| 521 |  |  | scompile("ri(i)=ci(i,R);gi(i)=ci(i,G);bi(i)=ci(i,B)", NULL, 0); | 
| 522 |  |  | return(1); | 
| 523 |  |  | } | 
| 524 |  |  |  | 
| 525 | greg | 2.22 | void | 
| 526 | greg | 2.1 | output_headinfo(FILE *fp) | 
| 527 |  |  | { | 
| 528 |  |  | int     i; | 
| 529 |  |  |  | 
| 530 |  |  | for (i = 0; i < nmats; i++) { | 
| 531 |  |  | const char      *cp = mop[i].imx.info; | 
| 532 |  |  | fputs(mop[i].inspec, fp); | 
| 533 |  |  | fputs(":\n", fp); | 
| 534 |  |  | if (!cp) continue; | 
| 535 |  |  | while (*cp) { | 
| 536 |  |  | if (*cp == '\n') { | 
| 537 |  |  | cp++;           /* avoid inadvertant terminus */ | 
| 538 |  |  | continue; | 
| 539 |  |  | } | 
| 540 |  |  | fputc('\t', fp);        /* indent this input's info */ | 
| 541 |  |  | do | 
| 542 |  |  | putc(*cp, fp); | 
| 543 |  |  | while (*cp++ != '\n'); | 
| 544 |  |  | } | 
| 545 |  |  | } | 
| 546 |  |  | } | 
| 547 |  |  |  | 
| 548 | greg | 2.22 | int | 
| 549 | greg | 2.10 | spawned_children(int np) | 
| 550 | greg | 2.1 | { | 
| 551 | greg | 2.10 | int     i, rv; | 
| 552 |  |  |  | 
| 553 |  |  | #if defined(_WIN32) || defined(_WIN64) | 
| 554 |  |  | if (np > 1) { | 
| 555 | greg | 2.24 | if (!nowarn) | 
| 556 |  |  | fputs("Warning: only one process under Windows\n", stderr); | 
| 557 | greg | 2.10 | np = 1; | 
| 558 |  |  | } else | 
| 559 |  |  | #endif | 
| 560 | greg | 2.18 | if ((in_nrows > 0) & (np*4 > in_nrows)) | 
| 561 |  |  | np = in_nrows/4; | 
| 562 | greg | 2.10 | /* we'll be doing a row at a time */ | 
| 563 | greg | 2.1 | for (i = 0; i < nmats; i++) { | 
| 564 | greg | 2.10 | mop[i].imx.nrows = 1; | 
| 565 | greg | 2.1 | if (!rmx_prepare(&mop[i].imx)) | 
| 566 |  |  | goto memerror; | 
| 567 |  |  | if (mop[i].rmp != &mop[i].imx) { | 
| 568 |  |  | mop[i].rmp->nrows = 1; | 
| 569 |  |  | if (!rmx_prepare(mop[i].rmp)) | 
| 570 |  |  | goto memerror; | 
| 571 |  |  | } | 
| 572 |  |  | } | 
| 573 | greg | 2.20 | /* prep output row buffer(s) */ | 
| 574 | greg | 2.23 | if (mop[nmats].preop.clen > 0) { | 
| 575 | greg | 2.10 | if (!split_input(&mop[nmats]))  /* need separate buffer */ | 
| 576 | greg | 2.23 | goto memerror; | 
| 577 |  |  | mop[nmats].rmp->ncomp = mop[nmats].preop.clen / | 
| 578 |  |  | mop[nmats].imx.ncomp; | 
| 579 | greg | 2.1 | } | 
| 580 | greg | 2.10 | mop[nmats].imx.nrows = 1; | 
| 581 |  |  | if (!rmx_prepare(&mop[nmats].imx)) | 
| 582 |  |  | goto memerror; | 
| 583 | greg | 2.20 | if (mop[nmats].rmp != &mop[nmats].imx) { | 
| 584 |  |  | mop[nmats].rmp->nrows = 1; | 
| 585 |  |  | if (!rmx_prepare(mop[nmats].rmp)) | 
| 586 |  |  | goto memerror; | 
| 587 |  |  | } | 
| 588 | greg | 2.18 | if (np <= 1) {          /* single process return */ | 
| 589 | greg | 2.10 | #ifdef getc_unlocked | 
| 590 |  |  | for (i = 0; i < nmats; i++) | 
| 591 |  |  | flockfile(mop[i].infp); | 
| 592 |  |  | flockfile(stdout); | 
| 593 |  |  | #endif | 
| 594 |  |  | return(0); | 
| 595 |  |  | } | 
| 596 |  |  | fflush(stdout);         /* flush header & spawn children */ | 
| 597 | greg | 2.20 | nchildren = np + 1;     /* extra child to sequence output */ | 
| 598 | greg | 2.19 | cproc = (SUBPROC *)malloc(sizeof(SUBPROC)*nchildren); | 
| 599 | greg | 2.10 | if (!cproc) | 
| 600 |  |  | goto memerror; | 
| 601 | greg | 2.20 | for (i = nchildren; i--; ) cproc[i] = sp_inactive; | 
| 602 |  |  | cproc[nchildren-1].flags |= PF_FILT_OUT; | 
| 603 | greg | 2.23 | /* start each child from parent */ | 
| 604 |  |  | for (i = 0; i < nchildren; i++) | 
| 605 |  |  | if ((rv = open_process(&cproc[i], NULL)) <= 0) | 
| 606 |  |  | break;  /* child breaks here */ | 
| 607 | greg | 2.10 | if (rv < 0) { | 
| 608 | greg | 2.23 | perror("fork"); /* WTH? */ | 
| 609 | greg | 2.17 | close_processes(cproc, i); | 
| 610 | greg | 2.10 | exit(1); | 
| 611 |  |  | } | 
| 612 | greg | 2.23 | if (i != nchildren-1) { /* last child is sole reader */ | 
| 613 |  |  | int     j = i; | 
| 614 |  |  | while (j-- > 0) { | 
| 615 |  |  | close(cproc[j].r); | 
| 616 |  |  | cproc[j].r = -1; | 
| 617 | greg | 2.21 | } | 
| 618 | greg | 2.23 | } | 
| 619 |  |  | if (rv > 0) | 
| 620 | greg | 2.20 | return(1);      /* parent return value */ | 
| 621 | greg | 2.23 |  | 
| 622 |  |  | inchild = i;            /* else set our child index */ | 
| 623 | greg | 2.20 | while (i-- > 0)         /* only parent writes siblings */ | 
| 624 | greg | 2.11 | close(cproc[i].w); | 
| 625 | greg | 2.20 |  | 
| 626 | greg | 2.23 | i = nmats;              /* close matrix streams (carefully) */ | 
| 627 |  |  | while (i-- > 0) { | 
| 628 |  |  | if (mop[i].infp != stdin) { | 
| 629 |  |  | close(fileno(mop[i].infp));     /* avoid lseek() */ | 
| 630 |  |  | fclose(mop[i].infp);            /* ! pclose() */ | 
| 631 |  |  | } | 
| 632 |  |  | mop[i].infp = NULL; | 
| 633 |  |  | } | 
| 634 |  |  | fpurge(stdin);          /* discard previously buffered input */ | 
| 635 |  |  |  | 
| 636 | greg | 2.22 | if (inchild == nchildren-1) | 
| 637 |  |  | return(-1);     /* output process return value */ | 
| 638 | greg | 2.20 |  | 
| 639 | greg | 2.23 | i = nmats;              /* get matrix rows from parent */ | 
| 640 | greg | 2.20 | while (i-- > 0) { | 
| 641 |  |  | mop[i].infp = stdin; | 
| 642 |  |  | mop[i].imx.dtype = DTrmx_native; | 
| 643 |  |  | mop[i].imx.pflags &= ~RMF_SWAPIN; | 
| 644 |  |  | } | 
| 645 | greg | 2.10 | #ifdef getc_unlocked | 
| 646 |  |  | flockfile(stdin); | 
| 647 |  |  | #endif | 
| 648 | greg | 2.20 | mop[nmats].rmp->dtype = DTrmx_native; | 
| 649 |  |  | return(0);              /* worker child return value */ | 
| 650 | greg | 2.10 | memerror: | 
| 651 |  |  | fputs("Out of memory in spawned_children()\n", stderr); | 
| 652 |  |  | exit(1); | 
| 653 |  |  | } | 
| 654 |  |  |  | 
| 655 | greg | 2.22 | int | 
| 656 | greg | 2.19 | parent_loop(void) | 
| 657 | greg | 2.10 | { | 
| 658 |  |  | int     i; | 
| 659 |  |  |  | 
| 660 | greg | 2.20 | rmx_reset(&mop[nmats].imx);             /* not touching output side */ | 
| 661 |  |  | if (mop[nmats].rmp != &mop[nmats].imx) { | 
| 662 |  |  | rmx_free(mop[nmats].rmp); | 
| 663 |  |  | mop[nmats].rmp = &mop[nmats].imx; | 
| 664 |  |  | } | 
| 665 | greg | 2.10 | #ifdef getc_unlocked | 
| 666 | greg | 2.20 | for (i = 0; i < nmats; i++)             /* we handle matrix inputs */ | 
| 667 | greg | 2.10 | flockfile(mop[i].infp); | 
| 668 |  |  | #endif | 
| 669 | greg | 2.19 | /* load & send rows to kids */ | 
| 670 | greg | 2.10 | for (cur_row = 0; (in_nrows <= 0) | (cur_row < in_nrows); cur_row++) { | 
| 671 | greg | 2.20 | int         wfd = cproc[cur_row % (nchildren-1)].w; | 
| 672 | greg | 2.11 | for (i = 0; i < nmats; i++) | 
| 673 | greg | 2.10 | if (!rmx_load_row(mop[i].imx.mtx, &mop[i].imx, mop[i].infp)) { | 
| 674 |  |  | if (cur_row > in_nrows) /* unknown #input rows? */ | 
| 675 |  |  | break; | 
| 676 | greg | 2.23 | fprintf(stderr, "%s: parent_loop() load error at row %d\n", | 
| 677 | greg | 2.10 | mop[i].inspec, cur_row); | 
| 678 |  |  | return(0); | 
| 679 |  |  | } | 
| 680 | greg | 2.11 | if (i < nmats) | 
| 681 |  |  | break; | 
| 682 |  |  | for (i = 0; i < nmats; i++) | 
| 683 | greg | 2.19 | if (writebuf(wfd, mop[i].imx.mtx, rmx_array_size(&mop[i].imx)) | 
| 684 | greg | 2.23 | != rmx_array_size(&mop[i].imx)) { | 
| 685 |  |  | fprintf(stderr, "%s: parent_loop() write error at row %d\n", | 
| 686 |  |  | mop[i].inspec, cur_row); | 
| 687 | greg | 2.19 | return(0); | 
| 688 | greg | 2.23 | } | 
| 689 | greg | 2.10 | } | 
| 690 | greg | 2.23 | i = close_processes(cproc, nchildren);  /* collect family */ | 
| 691 | greg | 2.20 | free(cproc); cproc = NULL; nchildren = 0; | 
| 692 | greg | 2.10 | if (i < 0) { | 
| 693 | greg | 2.24 | if (!nowarn) | 
| 694 |  |  | fputs("Warning: lost child in parent_loop()\n", stderr); | 
| 695 | greg | 2.10 | return(1); | 
| 696 |  |  | } | 
| 697 |  |  | if (i > 0) { | 
| 698 |  |  | fprintf(stderr, "Child exited with status %d\n", i); | 
| 699 |  |  | return(0); | 
| 700 |  |  | } | 
| 701 | greg | 2.20 | return(1);                              /* return success! */ | 
| 702 | greg | 2.10 | } | 
| 703 |  |  |  | 
| 704 | greg | 2.22 | int | 
| 705 | greg | 2.19 | combine_input(void) | 
| 706 | greg | 2.10 | { | 
| 707 | greg | 2.20 | const int       row0 = (inchild >= 0)*inchild; | 
| 708 |  |  | const int       rstep = nchildren ? nchildren-1 : 1; | 
| 709 | greg | 2.10 | ROPMAT          *res = &mop[nmats]; | 
| 710 |  |  | int             set_r, set_c; | 
| 711 |  |  | RMATRIX         *tmp = NULL; | 
| 712 |  |  | int             co_set; | 
| 713 |  |  | int             i; | 
| 714 |  |  |  | 
| 715 | greg | 2.23 | if (mcat_last && !(tmp = rmx_alloc(1, res->imx.ncols, res->rmp->ncomp))) { | 
| 716 |  |  | fputs("Out of buffer space in combine_input()\n", stderr); | 
| 717 |  |  | return(0); | 
| 718 |  |  | } | 
| 719 | greg | 2.1 | /* figure out what the user set */ | 
| 720 |  |  | co_set = fundefined("co"); | 
| 721 |  |  | if (!co_set) | 
| 722 |  |  | co_set = -vardefined("co"); | 
| 723 |  |  | if (!co_set & (in_ncomp == 3) && vardefined("ro") && | 
| 724 |  |  | vardefined("go") && vardefined("bo")) { | 
| 725 |  |  | scompile("co(p)=select(p,ro,go,bo)", NULL, 0); | 
| 726 |  |  | co_set = 1; | 
| 727 |  |  | } | 
| 728 |  |  | if (co_set) {                   /* set if user wants, didn't set */ | 
| 729 |  |  | set_r = varlookup("r") != NULL && !vardefined("r"); | 
| 730 |  |  | set_c = varlookup("c") != NULL && !vardefined("c"); | 
| 731 |  |  | } else                          /* save a little time */ | 
| 732 |  |  | set_r = set_c = 0; | 
| 733 | greg | 2.16 | /* read/process row-by-row */ | 
| 734 | greg | 2.10 | for (cur_row = row0; (in_nrows <= 0) | (cur_row < in_nrows); cur_row += rstep) { | 
| 735 | greg | 2.1 | RMATRIX     *mres = NULL; | 
| 736 | greg | 2.14 | for (i = 0; i < nmats; i++) | 
| 737 | greg | 2.1 | if (!rmx_load_row(mop[i].imx.mtx, &mop[i].imx, mop[i].infp)) { | 
| 738 | greg | 2.5 | if (cur_row > in_nrows) /* unknown #input rows? */ | 
| 739 | greg | 2.10 | break; | 
| 740 | greg | 2.23 | fprintf(stderr, "%s: combine_input() load error at row %d\n", | 
| 741 | greg | 2.1 | mop[i].inspec, cur_row); | 
| 742 |  |  | return(0); | 
| 743 |  |  | } | 
| 744 | greg | 2.10 | if (i < nmats) | 
| 745 |  |  | break; | 
| 746 |  |  | for (i = 0; i < nmats; i++) | 
| 747 | greg | 2.1 | if (!apply_op(mop[i].rmp, &mop[i].imx, &mop[i].preop)) | 
| 748 |  |  | return(0); | 
| 749 |  |  | if (set_r) varset("r", '=', cur_row); | 
| 750 |  |  | for (cur_col = 0; cur_col < in_ncols; cur_col++) { | 
| 751 |  |  | if (set_c) varset("c", '=', cur_col); | 
| 752 |  |  | for (cur_chan = 0; cur_chan < in_ncomp; cur_chan++) { | 
| 753 |  |  | const int   ndx = cur_col*in_ncomp + cur_chan; | 
| 754 |  |  | eclock++; | 
| 755 |  |  | if (!co_set) {      /* just summing elements? */ | 
| 756 |  |  | res->imx.mtx[ndx] = 0; | 
| 757 |  |  | for (i = nmats; i--; ) | 
| 758 |  |  | res->imx.mtx[ndx] += mop[i].rmp->mtx[ndx]; | 
| 759 |  |  | } else if (co_set > 0) { | 
| 760 |  |  | double  dchan = cur_chan+1; | 
| 761 |  |  | res->imx.mtx[ndx] = funvalue("co", 1, &dchan); | 
| 762 |  |  | } else | 
| 763 |  |  | res->imx.mtx[ndx] = varvalue("co"); | 
| 764 |  |  | } | 
| 765 |  |  | }                           /* final conversions */ | 
| 766 |  |  | if (!mcat) { | 
| 767 |  |  | if (!apply_op(res->rmp, &res->imx, &res->preop)) | 
| 768 |  |  | return(0); | 
| 769 |  |  | } else if (mcat_last) { | 
| 770 |  |  | if (!apply_op(tmp, &res->imx, &res->preop)) | 
| 771 |  |  | return(0); | 
| 772 |  |  | mres = rmx_multiply(tmp, mcat); | 
| 773 |  |  | if (!mres) | 
| 774 |  |  | goto multerror; | 
| 775 |  |  | if (!rmx_transfer_data(res->rmp, mres, 0)) | 
| 776 |  |  | return(0); | 
| 777 |  |  | } else /* mcat && !mcat_last */ { | 
| 778 |  |  | mres = rmx_multiply(&res->imx, mcat); | 
| 779 |  |  | if (!mres) | 
| 780 |  |  | goto multerror; | 
| 781 |  |  | if (!apply_op(res->rmp, mres, &res->preop)) | 
| 782 |  |  | return(0); | 
| 783 |  |  | } | 
| 784 |  |  | rmx_free(mres); mres = NULL; | 
| 785 |  |  | if (!rmx_write_data(res->rmp->mtx, res->rmp->ncomp, | 
| 786 | greg | 2.23 | res->rmp->ncols, res->rmp->dtype, stdout) || | 
| 787 |  |  | (inchild >= 0 && fflush(stdout) == EOF)) { | 
| 788 |  |  | fprintf(stderr, "Conversion/write error at row %d in combine_input()\n", | 
| 789 |  |  | cur_row); | 
| 790 | greg | 2.16 | return(0); | 
| 791 | greg | 2.23 | } | 
| 792 | greg | 2.1 | } | 
| 793 | greg | 2.20 | return(inchild >= 0 || fflush(stdout) != EOF); | 
| 794 | greg | 2.1 | multerror: | 
| 795 |  |  | fputs("Unexpected matrix multiply error in combine_input()\n", stderr); | 
| 796 |  |  | return(0); | 
| 797 |  |  | } | 
| 798 |  |  |  | 
| 799 | greg | 2.22 | int | 
| 800 |  |  | output_loop(void) | 
| 801 |  |  | { | 
| 802 |  |  | const size_t    row_size = rmx_array_size(mop[nmats].rmp); | 
| 803 | greg | 2.23 | int             cur_child = 0; | 
| 804 | greg | 2.22 | int             i = nmats; | 
| 805 |  |  |  | 
| 806 | greg | 2.23 | while (i-- > 0) {                               /* free input buffers */ | 
| 807 | greg | 2.22 | rmx_reset(&mop[i].imx); | 
| 808 |  |  | if (mop[i].rmp != &mop[i].imx) { | 
| 809 |  |  | rmx_free(mop[i].rmp); | 
| 810 |  |  | mop[i].rmp = &mop[i].imx; | 
| 811 |  |  | } | 
| 812 |  |  | } | 
| 813 | greg | 2.23 | if (mop[nmats].rmp != &mop[nmats].imx)          /* output is split? */ | 
| 814 |  |  | rmx_reset(&mop[nmats].imx); | 
| 815 | greg | 2.22 | #ifdef getc_unlocked | 
| 816 |  |  | flockfile(stdout);                              /* we own this, now */ | 
| 817 |  |  | #endif | 
| 818 |  |  | for ( ; ; ) {                                   /* loop until no more */ | 
| 819 |  |  | ssize_t         rv; | 
| 820 |  |  | rv = readbuf(cproc[cur_child].r, mop[nmats].rmp->mtx, row_size); | 
| 821 |  |  | if (!rv)                                /* out of rows? */ | 
| 822 |  |  | break; | 
| 823 |  |  | if (rv != row_size) { | 
| 824 | greg | 2.23 | fputs("Read error in output_loop()\n", stderr); | 
| 825 | greg | 2.22 | return(0); | 
| 826 |  |  | }                                       /* do final conversion */ | 
| 827 |  |  | if (!rmx_write_data(mop[nmats].rmp->mtx, mop[nmats].rmp->ncomp, | 
| 828 |  |  | mop[nmats].rmp->ncols, mop[nmats].rmp->dtype, stdout)) { | 
| 829 | greg | 2.23 | fputs("Conversion/write error in output_loop()\n", stderr); | 
| 830 | greg | 2.22 | return(0); | 
| 831 |  |  | } | 
| 832 |  |  | cur_child++; | 
| 833 | greg | 2.23 | cur_child *= (cur_child < inchild);     /* loop over workers */ | 
| 834 | greg | 2.22 | } | 
| 835 |  |  | return(fflush(stdout) != EOF); | 
| 836 |  |  | } | 
| 837 |  |  |  | 
| 838 |  |  | int | 
| 839 | greg | 2.1 | get_factors(double da[], int n, char *av[]) | 
| 840 |  |  | { | 
| 841 |  |  | int     ac; | 
| 842 |  |  |  | 
| 843 |  |  | for (ac = 0; ac < n && isflt(av[ac]); ac++) | 
| 844 |  |  | da[ac] = atof(av[ac]); | 
| 845 |  |  | return(ac); | 
| 846 |  |  | } | 
| 847 |  |  |  | 
| 848 | greg | 2.22 | void | 
| 849 | greg | 2.1 | resize_inparr(int n2alloc) | 
| 850 |  |  | { | 
| 851 |  |  | int     i; | 
| 852 |  |  |  | 
| 853 | greg | 2.6 | if (n2alloc == nall) | 
| 854 |  |  | return; | 
| 855 | greg | 2.26 | for (i = nall; i-- > n2alloc; ) { | 
| 856 | greg | 2.1 | rmx_reset(&mop[i].imx); | 
| 857 |  |  | if (mop[i].rmp != &mop[i].imx) | 
| 858 |  |  | rmx_free(mop[i].rmp); | 
| 859 |  |  | } | 
| 860 |  |  | mop = (ROPMAT *)realloc(mop, n2alloc*sizeof(ROPMAT)); | 
| 861 |  |  | if (mop == NULL) { | 
| 862 |  |  | fputs("Out of memory in resize_inparr()\n", stderr); | 
| 863 |  |  | exit(1); | 
| 864 |  |  | } | 
| 865 | greg | 2.6 | if (n2alloc > nall) | 
| 866 |  |  | memset(mop+nall, 0, (n2alloc-nall)*sizeof(ROPMAT)); | 
| 867 | greg | 2.1 | nall = n2alloc; | 
| 868 |  |  | } | 
| 869 |  |  |  | 
| 870 |  |  | /* Load one or more matrices and operate on them, sending results to stdout */ | 
| 871 |  |  | int | 
| 872 |  |  | main(int argc, char *argv[]) | 
| 873 |  |  | { | 
| 874 |  |  |  | 
| 875 |  |  | int             outfmt = DTfromHeader; | 
| 876 |  |  | const char      *defCsym = NULL; | 
| 877 |  |  | int             echoheader = 1; | 
| 878 |  |  | int             stdin_used = 0; | 
| 879 | greg | 2.10 | int             nproc = 1; | 
| 880 | greg | 2.1 | const char      *mcat_spec = NULL; | 
| 881 |  |  | int             n2comp = 0; | 
| 882 |  |  | uby8            comp_ndx[128]; | 
| 883 |  |  | int             i; | 
| 884 |  |  | /* get starting input array */ | 
| 885 |  |  | mop = (ROPMAT *)calloc(nall=2, sizeof(ROPMAT)); | 
| 886 |  |  | /* get options and arguments */ | 
| 887 |  |  | for (i = 1; i < argc; i++) | 
| 888 |  |  | if (argv[i][0] != '-' || !argv[i][1]) { | 
| 889 |  |  | if (argv[i][0] == '-') { | 
| 890 |  |  | if (stdin_used++) goto stdin_error; | 
| 891 |  |  | mop[nmats].inspec = stdin_name; | 
| 892 |  |  | } else | 
| 893 |  |  | mop[nmats].inspec = argv[i]; | 
| 894 |  |  | if (!mop[nmats].preop.csym) | 
| 895 |  |  | mop[nmats].preop.csym = defCsym; | 
| 896 |  |  | if (++nmats >= nall) | 
| 897 |  |  | resize_inparr(nmats + (nmats>>2) + 2); | 
| 898 |  |  | } else { | 
| 899 |  |  | int     n = argc-1 - i; | 
| 900 |  |  | switch (argv[i][1]) {   /* get option */ | 
| 901 |  |  | case 'w': | 
| 902 |  |  | nowarn = !nowarn; | 
| 903 |  |  | break; | 
| 904 |  |  | case 'h': | 
| 905 |  |  | echoheader = !echoheader; | 
| 906 |  |  | break; | 
| 907 | greg | 2.10 | case 'n': | 
| 908 |  |  | nproc = atoi(argv[++i]); | 
| 909 |  |  | if (nproc <= 0) | 
| 910 |  |  | goto userr; | 
| 911 |  |  | break; | 
| 912 | greg | 2.1 | case 'e': | 
| 913 |  |  | if (!n) goto userr; | 
| 914 |  |  | comp_ndx[n2comp++] = i++; | 
| 915 |  |  | break; | 
| 916 |  |  | case 'f': | 
| 917 |  |  | switch (argv[i][2]) { | 
| 918 |  |  | case '\0': | 
| 919 |  |  | if (!n) goto userr; | 
| 920 |  |  | comp_ndx[n2comp++] = i++; | 
| 921 |  |  | break; | 
| 922 |  |  | case 'd': | 
| 923 |  |  | outfmt = DTdouble; | 
| 924 |  |  | break; | 
| 925 |  |  | case 'f': | 
| 926 |  |  | outfmt = DTfloat; | 
| 927 |  |  | break; | 
| 928 |  |  | case 'a': | 
| 929 |  |  | outfmt = DTascii; | 
| 930 |  |  | break; | 
| 931 |  |  | case 'c': | 
| 932 |  |  | outfmt = DTrgbe; | 
| 933 |  |  | break; | 
| 934 |  |  | default: | 
| 935 |  |  | goto userr; | 
| 936 |  |  | } | 
| 937 |  |  | break; | 
| 938 |  |  | case 's': | 
| 939 |  |  | if (n > MAXCOMP) n = MAXCOMP; | 
| 940 |  |  | i += mop[nmats].preop.nsf = | 
| 941 |  |  | get_factors(mop[nmats].preop.sca, | 
| 942 |  |  | n, argv+i+1); | 
| 943 |  |  | if (mop[nmats].preop.nsf <= 0) { | 
| 944 |  |  | fprintf(stderr, "%s: -s missing arguments\n", | 
| 945 |  |  | argv[0]); | 
| 946 |  |  | goto userr; | 
| 947 |  |  | } | 
| 948 |  |  | break; | 
| 949 |  |  | case 'C': | 
| 950 | greg | 2.23 | mcat_last = 0; | 
| 951 | greg | 2.1 | if (!n || isflt(argv[i+1])) | 
| 952 |  |  | goto userr; | 
| 953 |  |  | defCsym = mop[nmats].preop.csym = argv[++i]; | 
| 954 |  |  | mop[nmats].preop.clen = 0; | 
| 955 |  |  | break; | 
| 956 |  |  | case 'c': | 
| 957 | greg | 2.23 | mcat_last = 0; | 
| 958 | greg | 2.1 | if (n && !isflt(argv[i+1])) { | 
| 959 |  |  | mop[nmats].preop.csym = argv[++i]; | 
| 960 |  |  | mop[nmats].preop.clen = 0; | 
| 961 |  |  | break; | 
| 962 |  |  | } | 
| 963 |  |  | if (n > MAXCOMP*MAXCOMP) n = MAXCOMP*MAXCOMP; | 
| 964 |  |  | i += mop[nmats].preop.clen = | 
| 965 |  |  | get_factors(mop[nmats].preop.cmat, | 
| 966 |  |  | n, argv+i+1); | 
| 967 |  |  | if (mop[nmats].preop.clen <= 0) { | 
| 968 |  |  | fprintf(stderr, "%s: -c missing arguments\n", | 
| 969 |  |  | argv[0]); | 
| 970 |  |  | goto userr; | 
| 971 |  |  | } | 
| 972 |  |  | mop[nmats].preop.csym = NULL; | 
| 973 |  |  | break; | 
| 974 |  |  | case 'm': | 
| 975 | greg | 2.23 | mcat_last = 1; | 
| 976 | greg | 2.1 | if (!n) goto userr; | 
| 977 |  |  | if (argv[++i][0] == '-' && !argv[i][1]) { | 
| 978 |  |  | if (stdin_used++) goto stdin_error; | 
| 979 |  |  | mcat_spec = stdin_name; | 
| 980 |  |  | } else | 
| 981 |  |  | mcat_spec = argv[i]; | 
| 982 |  |  | break; | 
| 983 |  |  | default: | 
| 984 |  |  | fprintf(stderr, "%s: unknown option '%s'\n", | 
| 985 |  |  | argv[0], argv[i]); | 
| 986 |  |  | goto userr; | 
| 987 |  |  | } | 
| 988 |  |  | } | 
| 989 |  |  | if (!nmats) { | 
| 990 |  |  | fprintf(stderr, "%s: need at least one input matrix\n", argv[0]); | 
| 991 |  |  | goto userr; | 
| 992 |  |  | } | 
| 993 |  |  | resize_inparr(nmats+1);         /* extra matrix at end for result */ | 
| 994 |  |  | mop[nmats].inspec = "trailing_ops"; | 
| 995 |  |  | /* load final concatenation matrix */ | 
| 996 |  |  | if (mcat_spec && !(mcat = rmx_load(mcat_spec, RMPnone))) { | 
| 997 |  |  | fprintf(stderr, "%s: error loading concatenation matrix: %s\n", | 
| 998 |  |  | argv[0], mcat_spec); | 
| 999 |  |  | return(1); | 
| 1000 |  |  | } | 
| 1001 |  |  | /* get/check inputs, set constants */ | 
| 1002 |  |  | if (!initialize(&mop[nmats].imx)) | 
| 1003 |  |  | return(1); | 
| 1004 |  |  |  | 
| 1005 |  |  | for (i = 0; i < n2comp; i++)    /* user .cal files and expressions */ | 
| 1006 |  |  | if (argv[comp_ndx[i]][1] == 'f') { | 
| 1007 |  |  | char    *fpath = getpath(argv[comp_ndx[i]+1], | 
| 1008 |  |  | getrlibpath(), 0); | 
| 1009 |  |  | if (fpath == NULL) { | 
| 1010 |  |  | fprintf(stderr, "%s: cannot find file '%s'\n", | 
| 1011 |  |  | argv[0], argv[comp_ndx[i]+1]); | 
| 1012 |  |  | return(1); | 
| 1013 |  |  | } | 
| 1014 |  |  | fcompile(fpath); | 
| 1015 |  |  | } else /* (argv[comp_ndx[i]][1] == 'e') */ | 
| 1016 |  |  | scompile(argv[comp_ndx[i]+1], NULL, 0); | 
| 1017 |  |  |  | 
| 1018 |  |  | /* get trailing color transform */ | 
| 1019 |  |  | if (!get_component_xfm(&mop[nmats])) | 
| 1020 |  |  | return(1); | 
| 1021 |  |  | /* adjust output dimensions and #components */ | 
| 1022 |  |  | if (mcat) { | 
| 1023 |  |  | if (mop[nmats].imx.ncols != mcat->nrows) { | 
| 1024 |  |  | fprintf(stderr, | 
| 1025 |  |  | "%s: number of input columns does not match number of rows in '%s'\n", | 
| 1026 |  |  | argv[0], mcat_spec); | 
| 1027 |  |  | return(1); | 
| 1028 |  |  | } | 
| 1029 |  |  | if (mcat->ncomp != (mcat_last ? mop[nmats].rmp->ncomp : mop[nmats].imx.ncomp)) { | 
| 1030 |  |  | fprintf(stderr, | 
| 1031 |  |  | "%s: number of components does not match those in '%s'\n", | 
| 1032 |  |  | argv[0], mcat_spec); | 
| 1033 |  |  | return(1); | 
| 1034 |  |  | } | 
| 1035 |  |  | if (!split_input(&mop[nmats])) | 
| 1036 |  |  | return(1); | 
| 1037 |  |  | mop[nmats].rmp->ncols = mcat->ncols; | 
| 1038 |  |  | } | 
| 1039 |  |  | newheader("RADIANCE", stdout);  /* write output header */ | 
| 1040 |  |  | if (echoheader) | 
| 1041 |  |  | output_headinfo(stdout); | 
| 1042 |  |  | printargs(argc, argv, stdout); | 
| 1043 |  |  | fputnow(stdout); | 
| 1044 |  |  | mop[nmats].rmp->dtype = rmx_write_header(mop[nmats].rmp, outfmt, stdout); | 
| 1045 |  |  | if (!mop[nmats].rmp->dtype) { | 
| 1046 |  |  | fprintf(stderr, "%s: unsupported output format\n", argv[0]); | 
| 1047 |  |  | return(1); | 
| 1048 |  |  | } | 
| 1049 | greg | 2.7 | doptimize(1);                   /* optimize definitions */ | 
| 1050 | greg | 2.22 | i = spawned_children(nproc);    /* create multiple processes if requested */ | 
| 1051 |  |  | if (i > 0)                      /* running in parent process? */ | 
| 1052 | greg | 2.10 | return(parent_loop() ? 0 : 1); | 
| 1053 | greg | 2.22 | if (i < 0)                      /* running in output process? */ | 
| 1054 |  |  | return(output_loop() ? 0 : 1); | 
| 1055 |  |  | /* else we are a worker process */ | 
| 1056 | greg | 2.10 | return(combine_input() ? 0 : 1); | 
| 1057 | greg | 2.1 | stdin_error: | 
| 1058 |  |  | fprintf(stderr, "%s: %s used for more than one input\n", | 
| 1059 |  |  | argv[0], stdin_name); | 
| 1060 |  |  | return(1); | 
| 1061 |  |  | userr: | 
| 1062 |  |  | fprintf(stderr, | 
| 1063 | greg | 2.10 | "Usage: %s [-h][-f{adfc}][-n nproc][-e expr][-f file][-s sf .. | -c ce ..] m1 .. -m mcat > mres\n", | 
| 1064 | greg | 2.1 | argv[0]); | 
| 1065 |  |  | return(1); | 
| 1066 |  |  | } |