this version of fractal.c not intended for release

dev/standnew/frfractal.c

@@ -0,0 +1,1360 @@
+/*
+ * Copyright (c) 1983-2023 Trevor Wishart and Composers Desktop Project Ltd
+ * http://www.trevorwishart.co.uk
+ * http://www.composersdesktop.com
+ *
+ This file is part of the CDP System.
+ 
+ The CDP System is free software; you can redistribute it
+ and/or modify it under the terms of 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 CDP System 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
+ GNU Lesser General Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser General Public
+ License along with the CDP System; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <structures.h>
+#include <tkglobals.h>
+#include <pnames.h>
+#include <filetype.h>
+#include <processno.h>
+#include <modeno.h>
+#include <logic.h>
+#include <globcon.h>
+#include <cdpmain.h>
+#include <math.h>
+#include <mixxcon.h>
+#include <osbind.h>
+#include <standalone.h>
+#include <ctype.h>
+#include <sfsys.h>
+#include <string.h>
+#include <srates.h>
+
+
+#ifdef unix
+#define round(x) lround((x))
+#endif
+#define maxfraccnt rampbrksize
+
+char errstr[2400];
+
+int anal_infiles = 1;
+int sloom = 0;
+int sloombatch = 0;
+
+const char* cdp_version = "6.1.0";
+
+//CDP LIB REPLACEMENTS
+static int check_fractal_param_validity_and_consistency(dataptr dz);
+static int setup_fractal_application(dataptr dz);
+static int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz);
+static int parse_infile_and_check_type(char **cmdline,dataptr dz);
+static int setup_fractal_param_ranges_and_defaults(dataptr dz);
+static int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz);
+static int setup_and_init_input_param_activity(dataptr dz,int tipc);
+static int setup_input_param_defaultval_stores(int tipc,aplptr ap);
+static int establish_application(dataptr dz);
+static int initialise_vflags(dataptr dz);
+static int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz);
+static int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz);
+static int mark_parameter_types(dataptr dz,aplptr ap);
+static int assign_file_data_storage(int infilecnt,dataptr dz);
+static int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q);
+static int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz);
+//static int get_the_mode_from_cmdline(char *str,dataptr dz);
+static int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt);
+static int float_array_for_fractal(int nnn,int n, float **ptr);
+static int generate_fractal_pattern(dataptr dz);
+static int create_fractal_sndbufs(dataptr dz);
+
+/**************************************** MAIN *********************************************/
+
+int main(int argc,char *argv[])
+{
+    int exit_status;
+    dataptr dz = NULL;
+    char **cmdline;
+    int  cmdlinecnt;
+    int n;
+//    aplptr ap;
+    int is_launched = FALSE;
+    if(argc==2 && (strcmp(argv[1],"--version") == 0)) {
+        fprintf(stdout,"%s\n",cdp_version);
+        fflush(stdout);
+        return 0;
+    }
+                        /* CHECK FOR SOUNDLOOM */
+    if((sloom = sound_loom_in_use(&argc,&argv)) > 1) {
+        sloom = 0;
+        sloombatch = 1;
+    }
+    if(sflinit("cdp")){
+        sfperror("cdp: initialisation\n");
+        return(FAILED);
+    }
+                          /* SET UP THE PRINCIPLE DATASTRUCTURE */
+    if((exit_status = establish_datastructure(&dz))<0) {                    // CDP LIB
+        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+        return(FAILED);
+    }
+    if(!sloom) {
+        if(argc == 1) {
+            usage1();   
+            return(FAILED);
+        } else if(argc == 2) {
+            usage2(argv[1]);    
+            return(FAILED);
+        }
+    }
+    if(!sloom) {
+        if((exit_status = make_initial_cmdline_check(&argc,&argv))<0) {     // CDP LIB
+            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+            return(FAILED);
+        }
+        cmdline    = argv;
+        cmdlinecnt = argc;
+        if((get_the_process_no(argv[0],dz))<0)
+            return(FAILED);
+        cmdline++;
+        cmdlinecnt--;
+        dz->maxmode = 0;
+        // get_the_mode_from_cmdline
+        // setup_particular_application =
+        if((exit_status = setup_fractal_application(dz))<0) {
+            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+            return(FAILED);
+        }
+        if((exit_status = count_and_allocate_for_infiles(cmdlinecnt,cmdline,dz))<0) {       // CDP LIB
+            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+            return(FAILED);
+        }
+    } else {
+        //parse_TK_data() =
+        if((exit_status = parse_sloom_data(argc,argv,&cmdline,&cmdlinecnt,dz))<0) {
+            exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+            return(exit_status);         
+        }
+    }
+//    ap = dz->application;
+
+    // parse_infile_and_hone_type() = 
+    if((exit_status = parse_infile_and_check_type(cmdline,dz))<0) {
+        exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+        return(FAILED);
+    }
+    // setup_param_ranges_and_defaults() =
+    if((exit_status = setup_fractal_param_ranges_and_defaults(dz))<0) {
+        exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+        return(FAILED);
+    }
+    // open_first_infile        CDP LIB
+    if((exit_status = open_first_infile(cmdline[0],dz))<0) {    
+        print_messages_and_close_sndfiles(exit_status,is_launched,dz);  
+        return(FAILED);
+    }
+    cmdlinecnt--;
+    cmdline++;
+
+//  handle_extra_infiles() : redundant
+    // handle_outfile() = 
+    if((exit_status = handle_the_outfile(&cmdlinecnt,&cmdline,dz))<0) {
+        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+        return(FAILED);
+    }
+
+//  handle_formants()           redundant
+//  handle_formant_quiksearch() redundant
+//  handle_special_data()       redundant
+    if((exit_status = read_parameters_and_flags(&cmdline,&cmdlinecnt,dz))<0) {      // CDP LIB
+        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+        return(FAILED);
+    }
+//  check_param_validity_and_consistency....
+    if((exit_status = check_fractal_param_validity_and_consistency(dz))<0) {
+        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+        return(FAILED);
+    }
+    is_launched = TRUE;
+    dz->bufcnt = 3;
+    if((dz->sampbuf = (float **)malloc(sizeof(float *) * (dz->bufcnt+1)))==NULL) {
+        sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffers.\n");
+        return(MEMORY_ERROR);
+    }
+    if((dz->sbufptr = (float **)malloc(sizeof(float *) * dz->bufcnt))==NULL) {
+        sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffer pointers.\n");
+        return(MEMORY_ERROR);
+    }
+    for(n = 0;n <dz->bufcnt; n++)
+        dz->sampbuf[n] = dz->sbufptr[n] = (float *)0;
+    dz->sampbuf[n] = (float *)0;
+
+    if((exit_status = create_fractal_sndbufs(dz))<0) {                          // CDP LIB
+        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+        return(FAILED);
+    }
+    //param_preprocess()                        redundant
+    //spec_process_file =
+    if((exit_status = generate_fractal_pattern(dz))<0) {
+        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+        return(FAILED);
+    }
+    if((exit_status = complete_output(dz))<0) {                                     // CDP LIB
+        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
+        return(FAILED);
+    }
+    exit_status = print_messages_and_close_sndfiles(FINISHED,is_launched,dz);       // CDP LIB
+    free(dz);
+    return(SUCCEEDED);
+}
+
+/**********************************************
+        REPLACED CDP LIB FUNCTIONS
+**********************************************/
+
+
+/****************************** SET_PARAM_DATA *********************************/
+
+int set_param_data(aplptr ap, int special_data,int maxparamcnt,int paramcnt,char *paramlist)
+{
+    ap->special_data   = (char)special_data;       
+    ap->param_cnt      = (char)paramcnt;
+    ap->max_param_cnt  = (char)maxparamcnt;
+    if(ap->max_param_cnt>0) {
+        if((ap->param_list = (char *)malloc((size_t)(ap->max_param_cnt+1)))==NULL) {    
+            sprintf(errstr,"INSUFFICIENT MEMORY: for param_list\n");
+            return(MEMORY_ERROR);
+        }
+        strcpy(ap->param_list,paramlist); 
+    }
+    return(FINISHED);
+}
+
+/****************************** SET_VFLGS *********************************/
+
+int set_vflgs
+(aplptr ap,char *optflags,int optcnt,char *optlist,char *varflags,int vflagcnt, int vparamcnt,char *varlist)
+{
+    ap->option_cnt   = (char) optcnt;           /*RWD added cast */
+    if(optcnt) {
+        if((ap->option_list = (char *)malloc((size_t)(optcnt+1)))==NULL) {
+            sprintf(errstr,"INSUFFICIENT MEMORY: for option_list\n");
+            return(MEMORY_ERROR);
+        }
+        strcpy(ap->option_list,optlist);
+        if((ap->option_flags = (char *)malloc((size_t)(optcnt+1)))==NULL) {
+            sprintf(errstr,"INSUFFICIENT MEMORY: for option_flags\n");
+            return(MEMORY_ERROR);
+        }
+        strcpy(ap->option_flags,optflags); 
+    }
+    ap->vflag_cnt = (char) vflagcnt;           
+    ap->variant_param_cnt = (char) vparamcnt;
+    if(vflagcnt) {
+        if((ap->variant_list  = (char *)malloc((size_t)(vflagcnt+1)))==NULL) {
+            sprintf(errstr,"INSUFFICIENT MEMORY: for variant_list\n");
+            return(MEMORY_ERROR);
+        }
+        strcpy(ap->variant_list,varlist);       
+        if((ap->variant_flags = (char *)malloc((size_t)(vflagcnt+1)))==NULL) {
+            sprintf(errstr,"INSUFFICIENT MEMORY: for variant_flags\n");
+            return(MEMORY_ERROR);
+        }
+        strcpy(ap->variant_flags,varflags);
+
+    }
+    return(FINISHED);
+}
+
+/***************************** APPLICATION_INIT **************************/
+
+int application_init(dataptr dz)
+{
+    int exit_status;
+    int storage_cnt;
+    int tipc, brkcnt;
+    aplptr ap = dz->application;
+    if(ap->vflag_cnt>0)
+        initialise_vflags(dz);    
+    tipc  = ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt;
+    ap->total_input_param_cnt = (char)tipc;
+    if(tipc>0) {
+        if((exit_status = setup_input_param_range_stores(tipc,ap))<0)             
+            return(exit_status);
+        if((exit_status = setup_input_param_defaultval_stores(tipc,ap))<0)        
+            return(exit_status);
+        if((exit_status = setup_and_init_input_param_activity(dz,tipc))<0)    
+            return(exit_status);
+    }
+    brkcnt = tipc;
+    //THERE ARE NO INPUTFILE brktables USED IN THIS PROCESS
+    if(brkcnt>0) {
+        if((exit_status = setup_and_init_input_brktable_constants(dz,brkcnt))<0)              
+            return(exit_status);
+    }
+    if((storage_cnt = tipc + ap->internal_param_cnt)>0) {         
+        if((exit_status = setup_parameter_storage_and_constants(storage_cnt,dz))<0)   
+            return(exit_status);
+        if((exit_status = initialise_is_int_and_no_brk_constants(storage_cnt,dz))<0)      
+            return(exit_status);
+    }                                                      
+    if((exit_status = mark_parameter_types(dz,ap))<0)     
+        return(exit_status);
+    
+    // establish_infile_constants() replaced by
+    dz->infilecnt = 1;
+    //establish_bufptrs_and_extra_buffers():
+    return(FINISHED);
+}
+
+/********************** SETUP_PARAMETER_STORAGE_AND_CONSTANTS ********************/
+/* RWD mallo changed to calloc; helps debug verison run as release! */
+
+int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz)
+{
+    if((dz->param       = (double *)calloc(storage_cnt, sizeof(double)))==NULL) {
+        sprintf(errstr,"setup_parameter_storage_and_constants(): 1\n");
+        return(MEMORY_ERROR);
+    }
+    if((dz->iparam      = (int    *)calloc(storage_cnt, sizeof(int)   ))==NULL) {
+        sprintf(errstr,"setup_parameter_storage_and_constants(): 2\n");
+        return(MEMORY_ERROR);
+    }
+    if((dz->is_int      = (char   *)calloc(storage_cnt, sizeof(char)))==NULL) {
+        sprintf(errstr,"setup_parameter_storage_and_constants(): 3\n");
+        return(MEMORY_ERROR);
+    }
+    if((dz->no_brk      = (char   *)calloc(storage_cnt, sizeof(char)))==NULL) {
+        sprintf(errstr,"setup_parameter_storage_and_constants(): 5\n");
+        return(MEMORY_ERROR);
+    }
+    return(FINISHED);
+}
+
+/************** INITIALISE_IS_INT_AND_NO_BRK_CONSTANTS *****************/
+
+int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz)
+{
+    int n;
+    for(n=0;n<storage_cnt;n++) {
+        dz->is_int[n] = (char)0;
+        dz->no_brk[n] = (char)0;
+    }
+    return(FINISHED);
+}
+
+/***************************** MARK_PARAMETER_TYPES **************************/
+
+int mark_parameter_types(dataptr dz,aplptr ap)
+{
+    int n, m;                           /* PARAMS */
+    for(n=0;n<ap->max_param_cnt;n++) {
+        switch(ap->param_list[n]) {
+        case('0'):  break; /* dz->is_active[n] = 0 is default */
+        case('i'):  dz->is_active[n] = (char)1; dz->is_int[n] = (char)1;dz->no_brk[n] = (char)1; break;
+        case('I'):  dz->is_active[n] = (char)1; dz->is_int[n] = (char)1;                         break;
+        case('d'):  dz->is_active[n] = (char)1;                         dz->no_brk[n] = (char)1; break;
+        case('D'):  dz->is_active[n] = (char)1; /* normal case: double val or brkpnt file */     break;
+        default:
+            sprintf(errstr,"Programming error: invalid parameter type in mark_parameter_types()\n");
+            return(PROGRAM_ERROR);
+        }
+    }                               /* OPTIONS */
+    for(n=0,m=ap->max_param_cnt;n<ap->option_cnt;n++,m++) {
+        switch(ap->option_list[n]) {
+        case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; dz->no_brk[m] = (char)1; break;
+        case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1;                          break;
+        case('d'): dz->is_active[m] = (char)1;                          dz->no_brk[m] = (char)1; break;
+        case('D'): dz->is_active[m] = (char)1;  /* normal case: double val or brkpnt file */     break;
+        default:
+            sprintf(errstr,"Programming error: invalid option type in mark_parameter_types()\n");
+            return(PROGRAM_ERROR);
+        }
+    }                               /* VARIANTS */
+    for(n=0,m=ap->max_param_cnt + ap->option_cnt;n < ap->variant_param_cnt; n++, m++) {
+        switch(ap->variant_list[n]) {
+        case('0'): break;
+        case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; dz->no_brk[m] = (char)1; break;
+        case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1;                          break;
+        case('d'): dz->is_active[m] = (char)1;                          dz->no_brk[m] = (char)1; break;
+        case('D'): dz->is_active[m] = (char)1; /* normal case: double val or brkpnt file */      break;
+        default:
+            sprintf(errstr,"Programming error: invalid variant type in mark_parameter_types()\n");
+            return(PROGRAM_ERROR);
+        }
+    }                               /* INTERNAL */
+    for(n=0,
+    m=ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt; n<ap->internal_param_cnt; n++,m++) {
+        switch(ap->internal_param_list[n]) {
+        case('0'):  break;   /* dummy variables: variables not used: but important for internal paream numbering!! */
+        case('i'):  dz->is_int[m] = (char)1;    dz->no_brk[m] = (char)1;    break;
+        case('d'):                              dz->no_brk[m] = (char)1;    break;
+        default:
+            sprintf(errstr,"Programming error: invalid internal param type in mark_parameter_types()\n");
+            return(PROGRAM_ERROR);
+        }
+    }
+    return(FINISHED);
+}
+
+/************************ HANDLE_THE_OUTFILE *********************/
+
+int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz)
+{
+    int exit_status;
+    char *filename = (*cmdline)[0];
+    if(filename[0]=='-' && filename[1]=='f') {
+        dz->floatsam_output = 1;
+        dz->true_outfile_stype = SAMP_FLOAT;
+        filename+= 2;
+    }
+    if(!sloom) {
+        if(file_has_invalid_startchar(filename) || value_is_numeric(filename)) {
+            sprintf(errstr,"Outfile name %s has invalid start character(s) or looks too much like a number.\n",filename);
+            return(DATA_ERROR);
+        }
+    }
+    strcpy(dz->outfilename,filename);      
+    if((exit_status = create_sized_outfile(filename,dz))<0)
+        return(exit_status);
+    (*cmdline)++;
+    (*cmdlinecnt)--;
+    return(FINISHED);
+}
+
+/***************************** ESTABLISH_APPLICATION **************************/
+
+int establish_application(dataptr dz)
+{
+    aplptr ap;
+    if((dz->application = (aplptr)malloc(sizeof (struct applic)))==NULL) {
+        sprintf(errstr,"establish_application()\n");
+        return(MEMORY_ERROR);
+    }
+    ap = dz->application;
+    memset((char *)ap,0,sizeof(struct applic));
+    return(FINISHED);
+}
+
+/************************* INITIALISE_VFLAGS *************************/
+
+int initialise_vflags(dataptr dz)
+{
+    int n;
+    if((dz->vflag  = (char *)malloc(dz->application->vflag_cnt * sizeof(char)))==NULL) {
+        sprintf(errstr,"INSUFFICIENT MEMORY: vflag store,\n");
+        return(MEMORY_ERROR);
+    }
+    for(n=0;n<dz->application->vflag_cnt;n++)
+        dz->vflag[n]  = FALSE;
+    return FINISHED;
+}
+
+/************************* SETUP_INPUT_PARAM_DEFAULTVALS *************************/
+
+int setup_input_param_defaultval_stores(int tipc,aplptr ap)
+{
+    int n;
+    if((ap->default_val = (double *)malloc(tipc * sizeof(double)))==NULL) {
+        sprintf(errstr,"INSUFFICIENT MEMORY for application default values store\n");
+        return(MEMORY_ERROR);
+    }
+    for(n=0;n<tipc;n++)
+        ap->default_val[n] = 0.0;
+    return(FINISHED);
+}
+
+/***************************** SETUP_AND_INIT_INPUT_PARAM_ACTIVITY **************************/
+
+int setup_and_init_input_param_activity(dataptr dz,int tipc)
+{
+    int n;
+    if((dz->is_active = (char   *)malloc((size_t)tipc))==NULL) {
+        sprintf(errstr,"setup_and_init_input_param_activity()\n");
+        return(MEMORY_ERROR);
+    }
+    for(n=0;n<tipc;n++)
+        dz->is_active[n] = (char)0;
+    return(FINISHED);
+}
+
+/************************* SETUP_FRACTAL_APPLICATION *******************/
+
+int setup_fractal_application(dataptr dz)
+{
+    int exit_status;
+    aplptr ap;
+    if((exit_status = establish_application(dz))<0)     // GLOBAL
+        return(FAILED);
+    ap = dz->application;
+    // SEE parstruct FOR EXPLANATION of next 2 functions
+    if((exit_status = set_param_data(ap,0   ,1,1,"i"))<0)
+        return(FAILED);
+    if((exit_status = set_vflgs(ap,"s",1,"i","",0,0,""))<0)
+        return(FAILED);
+    // set_legal_infile_structure -->
+    dz->has_otherfile = FALSE;
+    // assign_process_logic -->
+    dz->input_data_type = SNDFILES_ONLY;
+    dz->process_type    = UNEQUAL_SNDFILE;  
+    dz->outfiletype     = SNDFILE_OUT;
+    return application_init(dz);    //GLOBAL
+}
+
+/************************* PARSE_INFILE_AND_CHECK_TYPE *******************/
+
+int parse_infile_and_check_type(char **cmdline,dataptr dz)
+{
+    int exit_status;
+    infileptr infile_info;
+    if(!sloom) {
+        if((infile_info = (infileptr)malloc(sizeof(struct filedata)))==NULL) {
+            sprintf(errstr,"INSUFFICIENT MEMORY for infile structure to test file data.");
+            return(MEMORY_ERROR);
+        } else if((exit_status = cdparse(cmdline[0],infile_info))<0) {
+            sprintf(errstr,"Failed to parse input file %s\n",cmdline[0]);
+            return(PROGRAM_ERROR);
+        } else if(infile_info->filetype != SNDFILE)  {
+            sprintf(errstr,"File %s is not of correct type\n",cmdline[0]);
+            return(DATA_ERROR);
+        } else if((exit_status = copy_parse_info_to_main_structure(infile_info,dz))<0) {
+            sprintf(errstr,"Failed to copy file parsing information\n");
+            return(PROGRAM_ERROR);
+        }
+        free(infile_info);
+    }
+    return(FINISHED);
+}
+
+/************************* SETUP_FRACTAL_PARAM_RANGES_AND_DEFAULTS *******************/
+
+int setup_fractal_param_ranges_and_defaults(dataptr dz)
+{
+    int exit_status;
+    aplptr ap = dz->application;
+    // set_param_ranges()
+    ap->total_input_param_cnt = (char)(ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt);
+    // NB total_input_param_cnt is > 0 !!!
+    if((exit_status = setup_input_param_range_stores(ap->total_input_param_cnt,ap))<0)
+        return(FAILED);
+    // get_param_ranges()
+    ap->lo[0]   = 2;
+    ap->hi[0]   = 100;
+    ap->default_val[0]  = 8;
+    ap->lo[1]   = 2;
+    ap->hi[1]   = 50;
+    ap->default_val[1] = 15;
+    dz->maxmode = 0;
+    if(!sloom)
+        put_default_vals_in_all_params(dz);
+    return(FINISHED);
+}
+
+/********************************* PARSE_SLOOM_DATA *********************************/
+
+int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz)
+{
+    int exit_status;
+    int cnt = 1, infilecnt;
+    int filesize, insams, inbrksize;
+    double dummy;
+    int true_cnt = 0;
+//    aplptr ap;
+
+    while(cnt<=PRE_CMDLINE_DATACNT) {
+        if(cnt > argc) {
+            sprintf(errstr,"Insufficient data sent from TK\n");
+            return(DATA_ERROR);
+        }
+        switch(cnt) {
+        case(1):    
+            if(sscanf(argv[cnt],"%d",&dz->process)!=1) {
+                sprintf(errstr,"Cannot read process no. sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+
+        case(2):    
+            if(sscanf(argv[cnt],"%d",&dz->mode)!=1) {
+                sprintf(errstr,"Cannot read mode no. sent from TK\n");
+                return(DATA_ERROR);
+            }
+            if(dz->mode > 0)
+                dz->mode--;
+            //setup_particular_application() =
+            if((exit_status = setup_fractal_application(dz))<0)
+                return(exit_status);
+//            ap = dz->application;
+            break;
+
+        case(3):    
+            if(sscanf(argv[cnt],"%d",&infilecnt)!=1) {
+                sprintf(errstr,"Cannot read infilecnt sent from TK\n");
+                return(DATA_ERROR);
+            }
+            if(infilecnt < 1) {
+                true_cnt = cnt + 1;
+                cnt = PRE_CMDLINE_DATACNT;  /* force exit from loop after assign_file_data_storage */
+            }
+            if((exit_status = assign_file_data_storage(infilecnt,dz))<0)
+                return(exit_status);
+            break;
+        case(INPUT_FILETYPE+4): 
+            if(sscanf(argv[cnt],"%d",&dz->infile->filetype)!=1) {
+                sprintf(errstr,"Cannot read filetype sent from TK (%s)\n",argv[cnt]);
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_FILESIZE+4): 
+            if(sscanf(argv[cnt],"%d",&filesize)!=1) {
+                sprintf(errstr,"Cannot read infilesize sent from TK\n");
+                return(DATA_ERROR);
+            }
+            dz->insams[0] = filesize;   
+            break;
+        case(INPUT_INSAMS+4):   
+            if(sscanf(argv[cnt],"%d",&insams)!=1) {
+                sprintf(errstr,"Cannot read insams sent from TK\n");
+                return(DATA_ERROR);
+            }
+            dz->insams[0] = insams; 
+            break;
+        case(INPUT_SRATE+4):    
+            if(sscanf(argv[cnt],"%d",&dz->infile->srate)!=1) {
+                sprintf(errstr,"Cannot read srate sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_CHANNELS+4): 
+            if(sscanf(argv[cnt],"%d",&dz->infile->channels)!=1) {
+                sprintf(errstr,"Cannot read channels sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_STYPE+4):    
+            if(sscanf(argv[cnt],"%d",&dz->infile->stype)!=1) {
+                sprintf(errstr,"Cannot read stype sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_ORIGSTYPE+4):    
+            if(sscanf(argv[cnt],"%d",&dz->infile->origstype)!=1) {
+                sprintf(errstr,"Cannot read origstype sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_ORIGRATE+4): 
+            if(sscanf(argv[cnt],"%d",&dz->infile->origrate)!=1) {
+                sprintf(errstr,"Cannot read origrate sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_MLEN+4): 
+            if(sscanf(argv[cnt],"%d",&dz->infile->Mlen)!=1) {
+                sprintf(errstr,"Cannot read Mlen sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_DFAC+4): 
+            if(sscanf(argv[cnt],"%d",&dz->infile->Dfac)!=1) {
+                sprintf(errstr,"Cannot read Dfac sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_ORIGCHANS+4):    
+            if(sscanf(argv[cnt],"%d",&dz->infile->origchans)!=1) {
+                sprintf(errstr,"Cannot read origchans sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_SPECENVCNT+4):   
+            if(sscanf(argv[cnt],"%d",&dz->infile->specenvcnt)!=1) {
+                sprintf(errstr,"Cannot read specenvcnt sent from TK\n");
+                return(DATA_ERROR);
+            }
+            dz->specenvcnt = dz->infile->specenvcnt;
+            break;
+        case(INPUT_WANTED+4):   
+            if(sscanf(argv[cnt],"%d",&dz->wanted)!=1) {
+                sprintf(errstr,"Cannot read wanted sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_WLENGTH+4):  
+            if(sscanf(argv[cnt],"%d",&dz->wlength)!=1) {
+                sprintf(errstr,"Cannot read wlength sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_OUT_CHANS+4):    
+            if(sscanf(argv[cnt],"%d",&dz->out_chans)!=1) {
+                sprintf(errstr,"Cannot read out_chans sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+            /* RWD these chanegs to samps - tk will have to deal with that! */
+        case(INPUT_DESCRIPTOR_BYTES+4): 
+            if(sscanf(argv[cnt],"%d",&dz->descriptor_samps)!=1) {
+                sprintf(errstr,"Cannot read descriptor_samps sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_IS_TRANSPOS+4):  
+            if(sscanf(argv[cnt],"%d",&dz->is_transpos)!=1) {
+                sprintf(errstr,"Cannot read is_transpos sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_COULD_BE_TRANSPOS+4):    
+            if(sscanf(argv[cnt],"%d",&dz->could_be_transpos)!=1) {
+                sprintf(errstr,"Cannot read could_be_transpos sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_COULD_BE_PITCH+4):   
+            if(sscanf(argv[cnt],"%d",&dz->could_be_pitch)!=1) {
+                sprintf(errstr,"Cannot read could_be_pitch sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_DIFFERENT_SRATES+4): 
+            if(sscanf(argv[cnt],"%d",&dz->different_srates)!=1) {
+                sprintf(errstr,"Cannot read different_srates sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_DUPLICATE_SNDS+4):   
+            if(sscanf(argv[cnt],"%d",&dz->duplicate_snds)!=1) {
+                sprintf(errstr,"Cannot read duplicate_snds sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_BRKSIZE+4):  
+            if(sscanf(argv[cnt],"%d",&inbrksize)!=1) {
+                sprintf(errstr,"Cannot read brksize sent from TK\n");
+                return(DATA_ERROR);
+            }
+            if(inbrksize > 0) {
+                switch(dz->input_data_type) {
+                case(WORDLIST_ONLY):
+                    break;
+                case(PITCH_AND_PITCH):
+                case(PITCH_AND_TRANSPOS):
+                case(TRANSPOS_AND_TRANSPOS):
+                    dz->tempsize = inbrksize;
+                    break;
+                case(BRKFILES_ONLY):
+                case(UNRANGED_BRKFILE_ONLY):
+                case(DB_BRKFILES_ONLY):
+                case(ALL_FILES):
+                case(ANY_NUMBER_OF_ANY_FILES):
+                    if(dz->extrabrkno < 0) {
+                        sprintf(errstr,"Storage location number for brktable not established by CDP.\n");
+                        return(DATA_ERROR);
+                    }
+                    if(dz->brksize == NULL) {
+                        sprintf(errstr,"CDP has not established storage space for input brktable.\n");
+                        return(PROGRAM_ERROR);
+                    }
+                    dz->brksize[dz->extrabrkno] = inbrksize;
+                    break;
+                default:
+                    sprintf(errstr,"TK sent brktablesize > 0 for input_data_type [%d] not using brktables.\n",
+                    dz->input_data_type);
+                    return(PROGRAM_ERROR);
+                }
+                break;
+            }
+            break;
+        case(INPUT_NUMSIZE+4):  
+            if(sscanf(argv[cnt],"%d",&dz->numsize)!=1) {
+                sprintf(errstr,"Cannot read numsize sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_LINECNT+4):  
+            if(sscanf(argv[cnt],"%d",&dz->linecnt)!=1) {
+                sprintf(errstr,"Cannot read linecnt sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_ALL_WORDS+4):    
+            if(sscanf(argv[cnt],"%d",&dz->all_words)!=1) {
+                sprintf(errstr,"Cannot read all_words sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_ARATE+4):    
+            if(sscanf(argv[cnt],"%f",&dz->infile->arate)!=1) {
+                sprintf(errstr,"Cannot read arate sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_FRAMETIME+4):    
+            if(sscanf(argv[cnt],"%lf",&dummy)!=1) {
+                sprintf(errstr,"Cannot read frametime sent from TK\n");
+                return(DATA_ERROR);
+            }
+            dz->frametime = (float)dummy;
+            break;
+        case(INPUT_WINDOW_SIZE+4):  
+            if(sscanf(argv[cnt],"%f",&dz->infile->window_size)!=1) {
+                sprintf(errstr,"Cannot read window_size sent from TK\n");
+                    return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_NYQUIST+4):  
+            if(sscanf(argv[cnt],"%lf",&dz->nyquist)!=1) {
+                sprintf(errstr,"Cannot read nyquist sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_DURATION+4): 
+            if(sscanf(argv[cnt],"%lf",&dz->duration)!=1) {
+                sprintf(errstr,"Cannot read duration sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_MINBRK+4):   
+            if(sscanf(argv[cnt],"%lf",&dz->minbrk)!=1) {
+                sprintf(errstr,"Cannot read minbrk sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_MAXBRK+4):   
+            if(sscanf(argv[cnt],"%lf",&dz->maxbrk)!=1) {
+                sprintf(errstr,"Cannot read maxbrk sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_MINNUM+4):   
+            if(sscanf(argv[cnt],"%lf",&dz->minnum)!=1) {
+                sprintf(errstr,"Cannot read minnum sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        case(INPUT_MAXNUM+4):   
+            if(sscanf(argv[cnt],"%lf",&dz->maxnum)!=1) {
+                sprintf(errstr,"Cannot read maxnum sent from TK\n");
+                return(DATA_ERROR);
+            }
+            break;
+        default:
+            sprintf(errstr,"case switch item missing: parse_sloom_data()\n");
+            return(PROGRAM_ERROR);
+        }
+        cnt++;
+    }
+    if(cnt!=PRE_CMDLINE_DATACNT+1) {
+        sprintf(errstr,"Insufficient pre-cmdline params sent from TK\n");
+        return(DATA_ERROR);
+    }
+
+    if(true_cnt)
+        cnt = true_cnt;
+    *cmdlinecnt = 0;        
+
+    while(cnt < argc) {
+        if((exit_status = get_tk_cmdline_word(cmdlinecnt,cmdline,argv[cnt]))<0)
+            return(exit_status);
+        cnt++;
+    }
+    return(FINISHED);
+}
+
+/********************************* GET_TK_CMDLINE_WORD *********************************/
+
+int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q)
+{
+    if(*cmdlinecnt==0) {
+        if((*cmdline = (char **)malloc(sizeof(char *)))==NULL)  {
+            sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n");
+            return(MEMORY_ERROR);
+        }
+    } else {
+        if((*cmdline = (char **)realloc(*cmdline,((*cmdlinecnt)+1) * sizeof(char *)))==NULL)    {
+            sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n");
+            return(MEMORY_ERROR);
+        }
+    }
+    if(((*cmdline)[*cmdlinecnt] = (char *)malloc((strlen(q) + 1) * sizeof(char)))==NULL)    {
+        sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline item %d.\n",(*cmdlinecnt)+1);
+        return(MEMORY_ERROR);
+    }
+    strcpy((*cmdline)[*cmdlinecnt],q);
+    (*cmdlinecnt)++;
+    return(FINISHED);
+}
+
+
+/****************************** ASSIGN_FILE_DATA_STORAGE *********************************/
+
+int assign_file_data_storage(int infilecnt,dataptr dz)
+{
+    int exit_status;
+    int no_sndfile_system_files = FALSE;
+    dz->infilecnt = infilecnt;
+    if((exit_status = allocate_filespace(dz))<0)
+        return(exit_status);
+    if(no_sndfile_system_files)
+        dz->infilecnt = 0;
+    return(FINISHED);
+}
+
+
+
+/************************* redundant functions: to ensure libs compile OK *******************/
+
+int assign_process_logic(dataptr dz)
+{
+    return(FINISHED);
+}
+
+void set_legal_infile_structure(dataptr dz)
+{}
+
+int set_legal_internalparam_structure(int process,int mode,aplptr ap)
+{
+    return(FINISHED);
+}
+
+int setup_internal_arrays_and_array_pointers(dataptr dz)
+{
+    return(FINISHED);
+}
+
+int establish_bufptrs_and_extra_buffers(dataptr dz)
+{
+    return(FINISHED);
+}
+
+int read_special_data(char *str,dataptr dz) 
+{
+    return(FINISHED);
+}
+
+int inner_loop
+(int *peakscore,int *descnt,int *in_start_portion,int *least,int *pitchcnt,int windows_in_buf,dataptr dz)
+{
+    return(FINISHED);
+}
+
+int get_process_no(char *prog_identifier_from_cmdline,dataptr dz)
+{
+    return(FINISHED);
+}
+
+
+/******************************** USAGE1 ********************************/
+
+int usage1(void)
+{
+    usage2("fractal");
+    return(USAGE_ONLY);
+}
+
+/**************************** CHECK_FRACTAL_PARAM_VALIDITY_AND_CONSISTENCY *****************************/
+
+int check_fractal_param_validity_and_consistency(dataptr dz)
+{
+    int gpsamplen, minfracsize, maxsegcnt, maxcutcnt;
+    gpsamplen = dz->insams[0]/dz->infile->channels;                 //  Length of file in sample-groups
+    dz->iparam[FRACSPLICE] = (int)round(dz->param[FRACSPLICE] * MS_TO_SECS * dz->infile->srate);
+    minfracsize = dz->iparam[FRACSPLICE] * 3;                       //  Assume splicelen is in groupsamples
+                                                                    //  Assume min size = 3 X splicelen
+    maxsegcnt = (int)floor((double)gpsamplen/(double)(minfracsize));//  Number of segments obtained by cutting file into minlength chunks
+    maxcutcnt = 1;
+    dz->maxfraccnt = 2;                                             //  Count how many successive cuts-in-half are needed
+    while(dz->maxfraccnt < maxsegcnt) {                                 //  To generate NO MORE THAN maxfraccnt segments.
+        dz->maxfraccnt *= 2;
+        maxcutcnt++;                                                //  calculate the maximum number of divisions by 2
+    }                                                               //  which will fit INSIDE the maxsegcnt
+    dz->maxfraccnt /= 2;
+    maxcutcnt--;
+    if(dz->iparam[FRACDEPTH] > maxcutcnt) {
+        sprintf(errstr,"INFO: Maximum number of fractal cuts for this file = %d\n",maxcutcnt);
+        return DATA_ERROR;
+    }
+    return FINISHED;
+}
+
+/********************************************************************************************/
+
+int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz)
+{
+    if(!strcmp(prog_identifier_from_cmdline,"fractal"))             dz->process = FRACTAL;
+    else {
+        sprintf(errstr,"Unknown program identification string '%s'\n",prog_identifier_from_cmdline);
+        return(USAGE_ONLY);
+    }
+    return(FINISHED);
+}
+
+/******************************** SETUP_AND_INIT_INPUT_BRKTABLE_CONSTANTS ********************************/
+
+int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt)
+{   
+    int n;
+    if((dz->brk      = (double **)malloc(brkcnt * sizeof(double *)))==NULL) {
+        sprintf(errstr,"setup_and_init_input_brktable_constants(): 1\n");
+        return(MEMORY_ERROR);
+    }
+    if((dz->brkptr   = (double **)malloc(brkcnt * sizeof(double *)))==NULL) {
+        sprintf(errstr,"setup_and_init_input_brktable_constants(): 6\n");
+        return(MEMORY_ERROR);
+    }
+    if((dz->brksize  = (int    *)malloc(brkcnt * sizeof(int)))==NULL) {
+        sprintf(errstr,"setup_and_init_input_brktable_constants(): 2\n");
+        return(MEMORY_ERROR);
+    }
+    if((dz->firstval = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
+        sprintf(errstr,"setup_and_init_input_brktable_constants(): 3\n");
+        return(MEMORY_ERROR);                                                 
+    }
+    if((dz->lastind  = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
+        sprintf(errstr,"setup_and_init_input_brktable_constants(): 4\n");
+        return(MEMORY_ERROR);
+    }
+    if((dz->lastval  = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
+        sprintf(errstr,"setup_and_init_input_brktable_constants(): 5\n");
+        return(MEMORY_ERROR);
+    }
+    if((dz->brkinit  = (int     *)malloc(brkcnt * sizeof(int)))==NULL) {
+        sprintf(errstr,"setup_and_init_input_brktable_constants(): 7\n");
+        return(MEMORY_ERROR);
+    }
+    for(n=0;n<brkcnt;n++) {
+        dz->brk[n]     = NULL;
+        dz->brkptr[n]  = NULL;
+        dz->brkinit[n] = 0;
+        dz->brksize[n] = 0;
+    }
+    return(FINISHED);
+}
+
+/******************************** USAGE2 ********************************/
+
+int usage2(char *str)
+{
+    if(!strcmp(str,"fractal")) {
+        fprintf(stderr,
+        "USAGE:\n"
+        "fractal fractal infile outfile layers [-ssplicelen]\n"
+        "\n"
+        "Create fractalised version of sound.\n"
+        "\n"
+        "SPLICELEN Length of splices in mS.\n"
+        "\n"
+        "LAYERS    Number of fractal layers in the output sound.\n"
+        "          Note that the maximum number of layers possible\n"
+        "          depends on the duration of the input sound\n"
+        "          and the size of splices used\n"
+        "          and cannot be easily predicted in advance\n"
+        "\n"
+        "WARNINGS\n"
+        "(1) Specifying many layers will produce very long output sounds.\n"
+        "(2) Don't use very long input sounds, or you will run out of memory,\n"
+        "\n");
+    } else
+        fprintf(stdout,"Unknown option '%s'\n",str);
+    return(USAGE_ONLY);
+}
+
+int usage3(char *str1,char *str2)
+{
+    fprintf(stderr,"Insufficient parameters on command line.\n");
+    return(USAGE_ONLY);
+}
+
+/************************** GENERATE_FRACTAL_PATTERN *************************/
+
+int generate_fractal_pattern(dataptr dz)
+{
+    int exit_status, chans, segcnt, grpcnt, fracdepth, tailsize, cutcnt, splicelen;
+    int gpsamplen, patterncnt, segsize, total_used_len, obufpos, endfilestt, bufsize, starttail, origbuflen;
+    int n, j, m, z, c, thiscut, cutstt, cutend, thissegsize, patcnt, segno, insams;
+    double spliceincr;
+    float *ibuf = dz->sampbuf[0], *obuf = dz->sampbuf[1], *ovflwbuf = dz->sampbuf[2];
+    float *splicebuf, *tailbuf, **buf;
+    int *patterna, *patternb, *pattern1, *pattern2, *cutsegsize;
+
+    chans     = dz->infile->channels;
+    gpsamplen = dz->insams[0]/chans;
+    fracdepth = dz->iparam[FRACDEPTH];
+    splicelen = dz->iparam[FRACSPLICE];
+    obufpos = 0;
+
+    //  CREATE SPLICE VALUES IN BUFFER
+
+    memset((char *)obuf,0,dz->buflen * 2 * sizeof(float));              //  Initialise obuf, and ovflwbuf to zero
+    origbuflen = dz->buflen;
+    dz->buflen = dz->insams[0];
+    if((exit_status = read_samps(ibuf,dz))<0)                           //  Fill the input buffer
+        return(exit_status);
+    dz->buflen = origbuflen;
+
+    if((exit_status = float_array_for_fractal(splicelen,-2,&splicebuf)) < 0)
+        return exit_status;                                             //  Create buffer to store splice values
+    spliceincr = 1.0/(double)splicelen;                                 //  Fill the splice buffer
+    for(m = 0; m < splicelen; m++)
+        splicebuf[m] = (float)((double)m * spliceincr);
+
+    //  FIND HOW MANY SEGMENTS NEEDED (segcnt) AND THEIR SIZE (segsize) in gpsamples
+    //  For cut-stage 0 need  2^0 = 1 segment
+    //  For cut-stage 1 need  2^1 = 2 segments
+    //  For cut-stage 2 need  2^2 = 4 segments
+    //  For cut N need  2^N segments.
+
+    segcnt = 1;
+    for(n = 1;n < fracdepth; n++)
+        segcnt *= 2;
+
+    //  HOW int ARE THE SEGMENTS, IN SAMPLES : WHAT IS THE BUFFER SIZE REQUIRED
+    
+    segsize = gpsamplen/segcnt;                 //  Sizeof segments (truncated)
+    bufsize = (segsize + splicelen) * chans;
+
+    //  STORE UNUSED TAIL OF FILE IN ITS OWN BUFFER
+
+    total_used_len = segcnt * segsize * chans;              //  How much of file used in making fractal
+    tailsize = dz->insams[0] - total_used_len;              //  How much is left
+    tailsize += splicelen * chans;                          //  Add room for upsplice
+    starttail = total_used_len - (splicelen * chans);       //  Find start of portion extended-tail-portion to copy
+    if((exit_status = float_array_for_fractal(tailsize,-1,&tailbuf)) < 0)
+        return exit_status;                                 //  Create buffer to store tail
+    for(n = 0, m = starttail;n < tailsize; n++,m++)         //  Copy tail into buffer
+        tailbuf[n] = ibuf[m];
+    for(m = 0; m < splicelen; m++) {                        //  Put upsplice on tail
+        j = m * 2;
+        for(c = 0; c < chans; c++) {
+            tailbuf[j] = (float)(tailbuf[j] * splicebuf[m]);
+            j++;
+        }
+        if(j == tailsize)                                   //  Break, if tail is shorter than full splice
+            break;
+    }
+
+    //  SET UP ARRAY OF BUFFERS TO STORE SEGMENTS
+    
+    if((buf = (float **)malloc(segcnt * sizeof(float *)))==NULL) {
+        sprintf(errstr,"Insufficient memory to store cut segments 1.\n");
+        return(MEMORY_ERROR);
+    }
+    for(n = 0; n < segcnt; n++) {
+        if((exit_status = float_array_for_fractal(bufsize,-1,&buf[n])) < 0) //  Create buffers to store segments
+            return exit_status;
+    }
+
+    //  FIND FINAL SIZE OF FRACTAL PATTERN, AND SET UP ARRAYS TO STORE (GROWING) PATTERN
+    //  At every cut, the initial_pattern of segments is copied (and reversed), and appended, to make pattern twice as int
+    //  So total pattern of segments doubles in size at every cut
+    
+    patterncnt = segcnt;
+    for(n = 0;n < fracdepth; n++)
+        patterncnt *= 2; 
+    if((patterna = (int *)malloc(patterncnt * sizeof(int)))==NULL) {
+        sprintf(errstr,"Insufficient memory to store pattern array 1.\n");
+        return(MEMORY_ERROR);
+    }
+    if((patternb = (int *)malloc(patterncnt * sizeof(int)))==NULL) {
+        sprintf(errstr,"Insufficient memory to store pattern array 2.\n");
+        return(MEMORY_ERROR);
+    }
+
+    //  CREATE ARRAY TO STORE SIZES OF STORED SEGMENTS
+    
+    if((cutsegsize = (int *)malloc(segcnt * sizeof(int)))==NULL) {      //  Stores lengths of cut-segs, after splices added (or not)
+        sprintf(errstr,"Insufficient memory to store gating points.\n");
+        return(MEMORY_ERROR);
+    }
+
+    //  FILL THE PATTERN ARRAY
+
+    pattern1 = patterna;
+    pattern2 = patternb;
+
+    for(n = 0; n < segcnt; n++)                                 //  Initiate pattern : put all (numbered) segments in numeric order 
+        pattern1[n] = n;
+    grpcnt = segcnt;                                            //  Start off repatterning all existing segments
+    cutcnt = 1;
+    patcnt = 0;
+    for(n = 0;n < fracdepth; n++) {                             //  For every cut-stage : loop-n
+        thiscut = 0;                                            //  Specify start and end of first-cut of cutcnt repatternings
+        cutend  = grpcnt;
+        patcnt = 0;                                             //  Initialise pattern counter at start of every repatterning
+
+        for(j = 0; j < cutcnt;j ++) {                           //  For the number of cuts to be made at this stage : loop-j
+            if(patcnt + (grpcnt * 2) > patterncnt) {
+                sprintf(errstr,"ERROR: Error in pattern generation counting.\n");
+                return PROGRAM_ERROR;
+            }
+            for(m = thiscut; m <cutend;m++)                     //  Copy pattern to new array   abcd
+                pattern2[patcnt++] = pattern1[m];               
+            for(m = cutend-1; m >= thiscut;m--)                 //  Then copy it in reverse     abcddbca
+                pattern2[patcnt++] = pattern1[m];
+            thiscut += grpcnt;                              
+            cutend  += grpcnt;                                  //  Advance start and end of cut in j-loop  
+        }
+        if(EVEN(n)) {
+            pattern1 = patternb;                                //  Swap pattern pointers
+            pattern2 = patterna;
+        } else {                                                //  Final pattern always ends up as pattern1    
+            pattern1 = patterna;
+            pattern2 = patternb;
+        }                                                       //  ONCE ALL segs at this level are reverse-copied and abutted
+        grpcnt /= 2;                                            //  Gpsize to Cut gets smaller (by 1/2) BUT the total pattern has doubled in size
+        cutcnt *= 4;                                            //  SO The number of cuts goes up by 2 X 2 !!   
+    }
+
+    //  TRANSFER SEGMENTS TO BUFFERS, EXTENDING BACKWARDS FOR UPSPLICE, AND DO START AND END SPLICES
+
+    //      Segments extended backwards by splicelen, but not forwards
+    //          |_______  |
+    //       | /|       \ | 
+    //       |/ |        \|
+    //       |  |         |
+    //      add |         |
+    //      for | length  |
+    //    splice|specified|
+    //          |_________|
+    //                    |_______  |
+    //                   /|       \ |
+    //                  / |  next  \|
+    //                    | segment |
+    //                    |
+
+    for(n = 0; n < segcnt; n++) {                                   
+        cutstt = ((n * segsize) - splicelen) * chans;           //  Startcut is segment-index in pattern X segsize, MINUS room for splice
+        cutstt = max(cutstt,0);
+        cutend = (n + 1) * segsize * chans;                     //  Startcut is segment-index+1 
+        cutend = min(cutend,dz->insams[0]);
+        for(m = cutstt,thissegsize = 0; m < cutend; m++,thissegsize++)  //  Copy segment to Relevant buffer
+            buf[n][thissegsize] = ibuf[m];                              //  Counting the segment size with thissegsize
+        z = thissegsize - 1;
+        for(m = 0; m < splicelen; m++) {
+            if( n == 0) {                                           //  Start segment has no upsplice   
+                for(c = 0; c < chans; c++) {
+                    buf[n][z] = (float)(buf[n][z] * splicebuf[m]);
+                    z--;
+                }
+            } else {
+                j = m*2;                                            //  Otherwise : do start and end splices simultaneously
+                for(c = 0; c < chans; c++) {
+                    buf[n][j] = (float)(buf[n][j] * splicebuf[m]);
+                    j++;
+                    buf[n][z] = (float)(buf[n][z] * splicebuf[m]);
+                    z--;
+                }
+            }
+        }
+        cutsegsize[n] = thissegsize;
+    }
+
+    dz->tempsize = segsize * patcnt;                                    //  Approximate size of output
+
+    //  JOIN SEGMENTS TOGETHER IN OUTBUF, IN ORDER OF PATTERN
+
+    obufpos = splicelen * chans;                                        //  Preset ensures baktrak for splice doesn't run off start of infile
+    for(n = 0; n < patterncnt; n++) {
+        obufpos -= splicelen * chans;                                   //  baktrak to do splice
+        segno = pattern1[n];                                            //  Find segment indicated at position "n" in pattern
+                                                                        //  and therefore get its buffer number (segno)
+        for(m = 0; m < cutsegsize[segno]; m++) {
+            obuf[obufpos] = (float)(obuf[obufpos] + buf[segno][m]);     //  Add-Copy segment to obuf (automatically overlapping splices)
+            if(++obufpos >= dz->buflen * 2) {
+                insams = dz->insams[0];                                 //  These two lines ensure that
+                dz->insams[0] = dz->tempsize;                           //  time-reports when program runs are correct
+                if((exit_status = write_samps(obuf,dz->buflen,dz))<0)
+                    return(exit_status);
+                dz->insams[0] = insams;
+                memcpy((char *)obuf,(char *)ovflwbuf,dz->buflen * sizeof(float));
+                memset((char *)ovflwbuf,0,dz->buflen * sizeof(float));
+                obufpos -= dz->buflen;
+            }
+        }
+    }
+    //  ADD TAIL OF SOUND
+
+    endfilestt = ((segcnt * segsize) - splicelen) * chans;
+    tailsize = dz->insams[0] - endfilestt;
+    obufpos -= splicelen * chans;
+    for(m = 0; m < tailsize; m++) {
+        obuf[obufpos] = (float)(obuf[obufpos] + ibuf[m]);
+        if(++obufpos >= dz->buflen * 2) {
+            insams = dz->insams[0];
+            dz->insams[0] = dz->tempsize;
+            if((exit_status = write_samps(obuf,dz->buflen,dz))<0)
+                return(exit_status);
+            dz->insams[0] = insams;
+            memcpy((char *)obuf,(char *)ovflwbuf,dz->buflen * sizeof(float));
+            memset((char *)ovflwbuf,0,dz->buflen * sizeof(float));
+            obufpos -= dz->buflen;
+        }
+    }
+    if(obufpos) {
+        insams = dz->insams[0];
+        dz->insams[0] = dz->tempsize;
+        if((exit_status = write_samps(obuf,obufpos,dz))<0)
+            return(exit_status);
+        dz->insams[0] = insams;
+    }
+    return FINISHED;
+}
+
+/****************************** FLOAT_ARRAY ******************************/
+
+int float_array_for_fractal(int nnn,int n, float **ptr)
+{   /* set up a floating point array length nnn. */
+    *ptr = (float *) calloc(nnn,sizeof(float));
+    if(*ptr==NULL){
+        if(n == -2) {
+            sprintf(errstr,"pvoc: insufficient memory to store splice values.\n");
+            return(MEMORY_ERROR);
+        } else if(n == -1) {
+            sprintf(errstr,"pvoc: insufficient memory to store end-segment of sound\n");
+            return(MEMORY_ERROR);
+        } else {
+            sprintf(errstr,"pvoc: insufficient memory for segment-of-pattern %d\n",n+1);
+            return(MEMORY_ERROR);
+        }
+    }
+    return(FINISHED);
+}
+
+/****************************** CREATE_FRACTAL_SNDBUFS ******************************/
+
+int create_fractal_sndbufs(dataptr dz)
+{
+    int bigbufsize, splicelen;
+    int framesize;
+    framesize = F_SECSIZE * dz->infile->channels;
+    if(dz->sbufptr == 0 || dz->sampbuf==0) {
+        sprintf(errstr,"buffer pointers not allocated: create_sndbufs()\n");
+        return(PROGRAM_ERROR);
+    }
+    splicelen = (int)round(1.0 * MS_TO_SECS * (double)dz->infile->srate) * dz->infile->channels;
+    dz->buflen = max(2 * splicelen,4096);
+    dz->buflen = (dz->buflen / framesize)  * framesize;
+
+    bigbufsize = dz->insams[0] + (2 * dz->buflen);
+    bigbufsize *= sizeof(float);
+    if((dz->bigbuf = (float *)malloc(bigbufsize)) == NULL) {
+        sprintf(errstr,"INSUFFICIENT MEMORY to create sound buffers. Don't use very big infiles\n");
+        return(PROGRAM_ERROR);
+    }
+    dz->sbufptr[0] = dz->sampbuf[0] = dz->bigbuf;
+    dz->sbufptr[1] = dz->sampbuf[1] = dz->sampbuf[0] + dz->insams[0];
+    dz->sbufptr[2] = dz->sampbuf[2] = dz->sampbuf[1] + dz->buflen;
+    dz->sbufptr[3] = dz->sampbuf[3] = dz->sampbuf[2] + dz->buflen;
+    return(FINISHED);
+}