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/* reada.f -- translated by f2c (version 19991025).
You must link the resulting object file with the libraries:
-lf2c -lm (in that order)
*/
#include "f2c.h"
/* Table of constant values */
static integer c__1 = 1;
static doublereal c_b21 = 10.;
doublereal reada_(string, istart, string_len)
char *string;
integer *istart;
ftnlen string_len;
{
/* System generated locals */
integer i__1, i__2;
doublereal ret_val, d__1;
/* Builtin functions */
integer i_len(), i_indx();
double pow_dd();
/* Local variables */
static integer iadd, ineg, idot, ipos, i__, j, l, n, icapd, icape;
extern doublereal digit_();
static integer ismld, ismle, i0, i9;
static logical expnnt;
/* FORTRAN FUNCTION TO EXTRACT NUMBER FROM STRING */
/* DEFINE ASCII VALUES OF NUMERIC FIELD CHARACTERS */
i0 = '0';
i9 = '9';
idot = '.';
ineg = '-';
ipos = '+';
icapd = 'D';
icape = 'E';
ismld = 'd';
ismle = 'e';
l = i_len(string, string_len);
/* FIND THE START OF THE NUMERIC FIELD */
i__1 = l;
for (i__ = *istart; i__ <= i__1; ++i__) {
iadd = 0;
n = *(unsigned char *)&string[i__ - 1];
/* SIGNAL START OF NUMERIC FIELD IF DIGIT FOUND */
if (n >= i0 && n <= i9) {
goto L20;
}
/* ACCOUNT FOR CONSECUTIVE SIGNS [- AND(OR) +] */
if (n == ineg || n == ipos) {
++iadd;
if (i__ + iadd > l) {
goto L50;
}
i__2 = i__ + iadd - 1;
n = *(unsigned char *)&string[i__2];
if (n >= i0 && n <= i9) {
goto L20;
}
}
/* ACCOUNT FOR CONSECUTIVE DECIMAL POINTS (.) */
if (n == idot) {
++iadd;
if (i__ + iadd > l) {
goto L50;
}
i__2 = i__ + iadd - 1;
n = *(unsigned char *)&string[i__2];
if (n >= i0 && n <= i9) {
goto L20;
}
}
/* L10: */
}
goto L50;
/* FIND THE END OF THE NUMERIC FIELD */
L20:
expnnt = FALSE_;
i__1 = l;
for (j = i__ + 1; j <= i__1; ++j) {
iadd = 0;
n = *(unsigned char *)&string[j - 1];
/* CONTINUE SEARCH FOR END IF DIGIT FOUND */
if (n >= i0 && n <= i9) {
goto L30;
}
/* CONTINUE SEARCH FOR END IF SIGN FOUND AND EXPNNT TRUE */
if (n == ineg || n == ipos) {
if (! expnnt) {
goto L40;
}
++iadd;
if (j + iadd > l) {
goto L40;
}
i__2 = j + iadd - 1;
n = *(unsigned char *)&string[i__2];
if (n >= i0 && n <= i9) {
goto L30;
}
}
if (n == idot) {
++iadd;
if (j + iadd > l) {
goto L40;
}
i__2 = j + iadd - 1;
n = *(unsigned char *)&string[i__2];
if (n >= i0 && n <= i9) {
goto L30;
}
if (n == icape || n == ismle || n == icapd || n == ismld) {
goto L30;
}
}
if (n == icape || n == ismle || n == icapd || n == ismld) {
if (expnnt) {
goto L40;
}
expnnt = TRUE_;
goto L30;
}
goto L40;
L30:
;
}
j = l + 1;
L40:
i__1 = j - 2;
n = *(unsigned char *)&string[i__1];
if (n == icape || n == ismle || n == icapd || n == ismld) {
--j;
}
/* FOUND THE END OF THE NUMERIC FIELD (IT RUNS 'I' THRU 'J-1') */
n = 0;
n += i_indx(string + (i__ - 1), "e", j - 1 - (i__ - 1), (ftnlen)1);
n += i_indx(string + (i__ - 1), "E", j - 1 - (i__ - 1), (ftnlen)1);
n += i_indx(string + (i__ - 1), "d", j - 1 - (i__ - 1), (ftnlen)1);
n += i_indx(string + (i__ - 1), "D", j - 1 - (i__ - 1), (ftnlen)1);
if (n == 0) {
ret_val = digit_(string + (i__ - 1), &c__1, j - 1 - (i__ - 1));
} else {
i__1 = i__ + n;
d__1 = digit_(string, &i__1, j - 1);
ret_val = digit_(string, &i__, i__ + n - 2) * pow_dd(&c_b21, &d__1);
}
return ret_val;
/* DEFAULT VALUE RETURNED BECAUSE NO NUMERIC FIELD FOUND */
L50:
ret_val = 0.;
return ret_val;
} /* reada_ */
/* ****************************************************************** */
doublereal digit_(string, istart, string_len)
char *string;
integer *istart;
ftnlen string_len;
{
/* System generated locals */
integer i__1;
doublereal ret_val;
/* Builtin functions */
integer i_len();
/* Local variables */
static integer idig, ineg, ispc, idot;
static logical sign;
static integer ipos, i__, j, l, n;
static doublereal c1, c2;
static integer i0, i9;
static doublereal deciml;
/* FORTRAN FUNCTION TO CONVERT NUMERIC FIELD TO DOUBLE PRECISION */
/* NUMBER. THE STRING IS ASSUMED TO BE CLEAN (NO INVALID DIGIT */
/* OR CHARACTER COMBINATIONS FROM ISTART TO THE FIRST NONSPACE, */
/* NONDIGIT, NONSIGN, AND NONDECIMAL POINT CHARACTER). */
/* DEFINE ASCII VALUES OF NUMERIC FIELD CHARACTERS */
i0 = '0';
i9 = '9';
ineg = '-';
ipos = '+';
idot = '.';
ispc = ' ';
c1 = 0.;
c2 = 0.;
sign = TRUE_;
l = i_len(string, string_len);
/* DETERMINE THE CONTRIBUTION TO THE NUMBER GREATER THAN ONE */
idig = 0;
i__1 = l;
for (i__ = *istart; i__ <= i__1; ++i__) {
n = *(unsigned char *)&string[i__ - 1];
if (n >= i0 && n <= i9) {
++idig;
c1 = c1 * 10. + n - i0;
} else if (n == ineg || n == ipos || n == ispc) {
if (n == ineg) {
sign = FALSE_;
}
} else if (n == idot) {
goto L20;
} else {
goto L40;
}
/* L10: */
}
/* DETERMINE THE CONTRIBUTION TO THE NUMBER LESS THAN THAN ONE */
L20:
deciml = 1.;
i__1 = l;
for (j = i__ + 1; j <= i__1; ++j) {
n = *(unsigned char *)&string[j - 1];
if (n >= i0 && n <= i9) {
deciml /= 10.;
c2 += (n - i0) * deciml;
} else if (n != ispc) {
goto L40;
}
/* L30: */
}
/* PUT THE PIECES TOGETHER */
L40:
ret_val = c1 + c2;
if (! sign) {
ret_val = -ret_val;
}
return ret_val;
} /* digit_ */
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