parser/inpeval.c, whitespace cleanup

This commit is contained in:
rlar 2015-02-28 18:55:24 +01:00
parent 4555107013
commit c018b328b9
1 changed files with 96 additions and 79 deletions

View File

@ -9,8 +9,10 @@ Author: 1985 Thomas L. Quarles
#include "ngspice/inpdefs.h"
#include "inpxx.h"
double INPevaluate(char **line, int *error, int gobble)
/* non-zero to gobble rest of token, zero to leave it alone */
double
INPevaluate(char **line, int *error, int gobble)
/* gobble: non-zero to gobble rest of token, zero to leave it alone */
{
char *token;
char *here;
@ -23,12 +25,13 @@ double INPevaluate(char **line, int *error, int gobble)
/* setup */
tmpline = *line;
if (gobble == 1) {
/* MW. INPgetUTok should be called with gobble=0 or it make
* errors in v(1,2) exp */
/* MW. INPgetUTok should be called with gobble=0 or it make
* errors in v(1,2) exp */
*error = INPgetUTok(line, &token, 0);
if (*error)
return (0.0);
return (0.0);
} else if (gobble == 2) {
*error = INPgetU2Tok(line, &token, 0);
if (*error)
@ -37,21 +40,25 @@ double INPevaluate(char **line, int *error, int gobble)
token = *line;
*error = 0;
}
mantis = 0;
expo1 = 0;
expo2 = 0;
sign = 1;
expsgn = 1;
/* loop through all of the input token */
here = token;
if (*here == '+')
here++; /* plus, so do nothing except skip it */
else if (*here == '-') { /* minus, so skip it, and change sign */
here++; /* plus, so do nothing except skip it */
else if (*here == '-') { /* minus, so skip it, and change sign */
here++;
sign = -1;
}
if ((*here == '\0') || ((!(isdigit(*here))) && (*here != '.'))) {
/* number looks like just a sign! */
/* number looks like just a sign! */
*error = 1;
if (gobble) {
FREE(token);
@ -60,11 +67,13 @@ double INPevaluate(char **line, int *error, int gobble)
}
return (0);
}
while (isdigit(*here)) {
/* digit, so accumulate it. */
mantis = 10 * mantis + *here - '0';
here++;
}
if (*here == '\0') {
/* reached the end of token - done. */
if (gobble) {
@ -74,6 +83,7 @@ double INPevaluate(char **line, int *error, int gobble)
}
return ((double) mantis * sign);
}
if (*here == ':') {
/* ':' is no longer used for subcircuit node numbering
but is part of ternary function a?b:c
@ -86,10 +96,12 @@ double INPevaluate(char **line, int *error, int gobble)
}
return ((double) mantis * sign);
}
/* after decimal point! */
if (*here == '.') {
/* found a decimal point! */
here++; /* skip to next character */
here++; /* skip to next character */
if (*here == '\0') {
/* number ends in the decimal point */
if (gobble) {
@ -99,6 +111,7 @@ double INPevaluate(char **line, int *error, int gobble)
}
return ((double) mantis * sign);
}
while (isdigit(*here)) {
/* digit, so accumulate it. */
mantis = 10 * mantis + *here - '0';
@ -110,106 +123,110 @@ double INPevaluate(char **line, int *error, int gobble)
} else {
*line = here;
}
return (mantis * sign * pow(10., (double) expo1));
return (mantis * sign * pow(10.0, (double) expo1));
}
here++;
}
}
/* now look for "E","e",etc to indicate an exponent */
if ((*here == 'E') || (*here == 'e') || (*here == 'D')
|| (*here == 'd')) {
if ((*here == 'E') || (*here == 'e') || (*here == 'D') || (*here == 'd')) {
/* have an exponent, so skip the e */
here++;
/* now look for exponent sign */
if (*here == '+')
here++; /* just skip + */
here++; /* just skip + */
else if (*here == '-') {
here++; /* skip over minus sign */
expsgn = -1; /* and make a negative exponent */
here++; /* skip over minus sign */
expsgn = -1; /* and make a negative exponent */
/* now look for the digits of the exponent */
}
while (isdigit(*here)) {
expo2 = 10 * expo2 + *here - '0';
here++;
}
}
/* now we have all of the numeric part of the number, time to
* look for the scale factor (alphabetic)
*/
switch (*here) {
case 't':
case 'T':
expo1 = expo1 + 12;
break;
case 'g':
case 'G':
expo1 = expo1 + 9;
break;
case 'k':
case 'K':
expo1 = expo1 + 3;
break;
case 'u':
case 'U':
expo1 = expo1 - 6;
break;
case 'n':
case 'N':
expo1 = expo1 - 9;
break;
case 'p':
case 'P':
expo1 = expo1 - 12;
break;
case 'f':
case 'F':
expo1 = expo1 - 15;
break;
case 'm':
case 'M':
{
/* special case for m - may be m or mil or meg */
if (here[1] != '\0' && here[2] != '\0') {
/* at least 2 characters, so check them. */
if ((here[1] == 'E') || (here[1] == 'e')) {
if ((here[2] == 'G') || (here[2] == 'g')) {
expo1 = expo1 + 6;
if (gobble) {
FREE(token);
} else {
*line = here;
}
return (sign * mantis *
pow(10.0,
(double) (expo1 + expsgn * expo2)));
case 't':
case 'T':
expo1 = expo1 + 12;
break;
case 'g':
case 'G':
expo1 = expo1 + 9;
break;
case 'k':
case 'K':
expo1 = expo1 + 3;
break;
case 'u':
case 'U':
expo1 = expo1 - 6;
break;
case 'n':
case 'N':
expo1 = expo1 - 9;
break;
case 'p':
case 'P':
expo1 = expo1 - 12;
break;
case 'f':
case 'F':
expo1 = expo1 - 15;
break;
case 'm':
case 'M':
{
/* special case for m - may be m or mil or meg */
if (here[1] != '\0' && here[2] != '\0') {
/* at least 2 characters, so check them. */
if ((here[1] == 'E') || (here[1] == 'e')) {
if ((here[2] == 'G') || (here[2] == 'g')) {
expo1 = expo1 + 6;
if (gobble) {
FREE(token);
} else {
*line = here;
}
} else if ((here[1] == 'I') || (here[1] == 'i')) {
if ((here[2] == 'L') || (here[2] == 'l')) {
expo1 = expo1 - 6;
mantis = mantis * 25.4;
if (gobble) {
FREE(token);
} else {
*line = here;
}
return (sign * mantis *
pow(10.0,
(double) (expo1 + expsgn * expo2)));
return (sign * mantis *
pow(10.0, (double) (expo1 + expsgn * expo2)));
}
} else if ((here[1] == 'I') || (here[1] == 'i')) {
if ((here[2] == 'L') || (here[2] == 'l')) {
expo1 = expo1 - 6;
mantis = mantis * 25.4;
if (gobble) {
FREE(token);
} else {
*line = here;
}
return (sign * mantis *
pow(10.0, (double) (expo1 + expsgn * expo2)));
}
}
/* not either special case, so just m => 1e-3 */
expo1 = expo1 - 3;
}
break;
default:
break;
}
/* not either special case, so just m => 1e-3 */
expo1 = expo1 - 3;
}
break;
default:
break;
}
if (gobble) {
FREE(token);
} else {
*line = here;
}
return (sign * mantis *
pow(10.0, (double) (expo1 + expsgn * expo2)));
pow(10.0, (double) (expo1 + expsgn * expo2)));
}