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* 2/2/95 Greg Ward |
| 8 |
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*/ |
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|
| 10 |
– |
#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <math.h> |
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#include <ctype.h> |
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#include <sys/types.h> |
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#include "rtprocess.h" /* getpid() */ |
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#include "rtmath.h" |
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|
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#define isdelim(c) (isspace(c) || (c)==',') |
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|
| 20 |
< |
#define MAXTAB 1024 /* maximum number of data rows */ |
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< |
#define MAXLINE 4096 /* maximum line width (characters) */ |
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> |
#define MAXTAB 8192 /* maximum number of data rows */ |
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> |
#define MAXLINE 16384 /* maximum line width (characters) */ |
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#define OUTFMT "%.7g" /* output format conversion string */ |
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|
| 24 |
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int interpolate = 0; |
| 148 |
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strcpy(ourexp, "x"); |
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else |
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sprintf(ourexp, "x-%g", abscissa[0]-1); |
| 151 |
< |
} else |
| 151 |
> |
} else if (fabs(abscissa[0]) < eps) |
| 152 |
> |
sprintf(ourexp, "x/%g+1", step); |
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> |
else |
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sprintf(ourexp, "(x-%g)/%g+1", abscissa[0], step); |
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} else { |
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printf("X`%s(i):select(i,", locID); |
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putlist(abscissa, tabsize, 20); |
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puts(");"); |
| 159 |
< |
if (increasing) { |
| 159 |
> |
if (increasing) |
| 160 |
> |
printf("fx2`%s(x,i):if(x-X`%s(i),\n", locID, locID); |
| 161 |
> |
else |
| 162 |
> |
printf("fx2`%s(x,i):if(X`%s(i)-x,\n", locID, locID); |
| 163 |
> |
printf("\ti+(x-X`%s(i))/(X`%s(i+1)-X`%s(i)),\n", |
| 164 |
> |
locID, locID, locID); |
| 165 |
> |
printf("\tfx2`%s(x,i-1));\n", locID); |
| 166 |
> |
if (increasing) |
| 167 |
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printf("fx`%s(x):if(x-%g,if(%g-x,fx2`%s(x,%d),%d),1);\n", |
| 168 |
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locID, abscissa[0], abscissa[tabsize-1], |
| 169 |
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locID, tabsize, tabsize); |
| 170 |
< |
printf("fx2`%s(x,i):if(x-X`%s(i),\n", locID, locID); |
| 165 |
< |
} else { |
| 170 |
> |
else |
| 171 |
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printf("fx`%s(x):if(%g-x,if(x-%g,fx2`%s(x,%d),%d),1);\n", |
| 172 |
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locID, abscissa[0], abscissa[tabsize-1], |
| 173 |
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locID, tabsize, tabsize); |
| 169 |
– |
printf("fx2`%s(x,i):if(X`%s(i)-x,\n", locID, locID); |
| 170 |
– |
} |
| 171 |
– |
printf("\ti+(x-X`%s(i))/(X`%s(i+1)-X`%s(i)),\n", |
| 172 |
– |
locID, locID, locID); |
| 173 |
– |
printf("\tfx2`%s(x,i-1));\n", locID); |
| 174 |
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sprintf(ourexp, "fx`%s(x)", locID); |
| 175 |
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} |
| 176 |
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return(ourexp); |
| 187 |
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|
| 188 |
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xelen = strlen(xe); |
| 189 |
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for (i = 0; i < nfuncs; i++) { |
| 190 |
< |
if (func[i][0] == '\0' | func[i][0] == '0') |
| 190 |
> |
if ((func[i][0] == '\0') | (func[i][0] == '0')) |
| 191 |
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continue; |
| 192 |
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if (interpolate) { |
| 193 |
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printf("%s`%s(i):select(i,", func[i], locID); |
