| 106 |
|
goto fatal; |
| 107 |
|
} |
| 108 |
|
ordinate[i][tabsize] = atof(cp); |
| 109 |
< |
if ((cp = fskip(cp)) == NULL) { |
| 109 |
> |
if ((cp = fskip(cp)) == NULL || !isdelim(*cp)) { |
| 110 |
|
err = "bad floating-point format"; |
| 111 |
|
goto fatal; |
| 112 |
|
} |
| 156 |
|
printf("X`%s(i):select(i,", locID); |
| 157 |
|
putlist(abscissa, tabsize, 20); |
| 158 |
|
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 |
|
printf("fx`%s(x):if(x-%g,if(%g-x,fx2`%s(x,%d),%d),1);\n", |
| 168 |
|
locID, abscissa[0], abscissa[tabsize-1], |
| 169 |
|
locID, tabsize, tabsize); |
| 170 |
< |
printf("fx2`%s(x,i):if(x-X`%s(i),\n", locID, locID); |
| 164 |
< |
} else { |
| 170 |
> |
else |
| 171 |
|
printf("fx`%s(x):if(%g-x,if(x-%g,fx2`%s(x,%d),%d),1);\n", |
| 172 |
|
locID, abscissa[0], abscissa[tabsize-1], |
| 173 |
|
locID, tabsize, tabsize); |
| 168 |
– |
printf("fx2`%s(x,i):if(X`%s(i)-x,\n", locID, locID); |
| 169 |
– |
} |
| 170 |
– |
printf("\ti+(x-X`%s(i))/(X`%s(i+1)-X`%s(i)),\n", |
| 171 |
– |
locID, locID, locID); |
| 172 |
– |
printf("\tfx2`%s(x,i-1));\n", locID); |
| 174 |
|
sprintf(ourexp, "fx`%s(x)", locID); |
| 175 |
|
} |
| 176 |
|
return(ourexp); |
