version 1.8, 2000/02/22 18:13:20
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version 1.10, 2000/03/22 21:08:03
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Line 596 int set;
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Line 596 int set;
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ans_p[length]='\0'; |
ans_p[length]='\0'; |
sprintf(fmtbuf, "%%%dc",(3*length-1)); |
sprintf(fmtbuf, "%%%dc",(3*length-1)); |
sscanf(oneline + MAX_STUDENT_NUMBER+1+length+1,fmtbuf,tries_p); |
sscanf(oneline + MAX_STUDENT_NUMBER+1+length+1,fmtbuf,tries_p); |
tries_p[3*length-1]; |
tries_p[3*length-1]='\0'; |
entry->answers = ans_p; |
entry->answers = ans_p; |
entry->tries = tries_p; |
entry->tries = tries_p; |
entry->e_probs = nq; |
entry->e_probs = nq; |
Line 2612 answers_string(mode, p)int mode;Problem_
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Line 2612 answers_string(mode, p)int mode;Problem_
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str_bb = format_toTeX(lower); |
str_bb = format_toTeX(lower); |
} else { /* answer could be string, choice */ |
} else { /* answer could be string, choice */ |
str_bb = (char *)capa_malloc(strlen(lower)+MAX_BUFFER_SIZE,1); |
str_bb = (char *)capa_malloc(strlen(lower)+MAX_BUFFER_SIZE,1); |
if (p->ans_type == ANSWER_IS_FORMULA || 1) |
if (p->verbatim == DO_VERBATIM) |
sprintf(str_bb,"\\begin{verbatim}%s\\end{verbatim}",lower); |
sprintf(str_bb,"\\begin{verbatim}%s\\end{verbatim}",lower); |
else |
else |
strcpy(str_bb,lower); |
strcpy(str_bb,lower); |
Line 2867 answers_string(mode, p)int mode;Problem_
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Line 2867 answers_string(mode, p)int mode;Problem_
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/* <== This routine checks user input string *ans against correct answer *s ==> */ |
/* <== This routine checks user input string *ans against correct answer *s ==> */ |
int |
int |
capa_check_ans(ai,ans) AnswerInfo_t *ai; char *ans; |
capa_check_ans(ai,ans, error) AnswerInfo_t *ai; char *ans; char **error; |
{ |
{ |
int t; /* ans_type */ |
int t; /* ans_type */ |
char *s; /* ans_str */ |
char *s; /* ans_str */ |
Line 2910 capa_check_ans(ai,ans) AnswerInfo_t *ai
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Line 2910 capa_check_ans(ai,ans) AnswerInfo_t *ai
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outcome = split_num_unit(ans,&n_part,num_str,unit_str); |
outcome = split_num_unit(ans,&n_part,num_str,unit_str); |
if( outcome > 1 ) { /* with both num and unit parts or only unit part */ |
if( outcome > 1 ) { /* with both num and unit parts or only unit part */ |
if( u_p != NULL ) { |
if( u_p != NULL ) { |
result = check_correct_unit(unit_str,u_p,&scale); |
if (UNIT_FAIL == (result = check_correct_unit(unit_str,u_p,&scale))) { |
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*error=strsave(unit_str); |
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} |
} else { /* what to do when no unit is specified but student entered a unit? */ |
} else { /* what to do when no unit is specified but student entered a unit? */ |
result = UNIT_NOTNEEDED; |
result = UNIT_NOTNEEDED; |
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*error=strsave(unit_str); |
} |
} |
} else { |
} else { |
if( u_p != NULL ) { |
if( u_p != NULL ) { |
Line 2927 capa_check_ans(ai,ans) AnswerInfo_t *ai
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Line 2930 capa_check_ans(ai,ans) AnswerInfo_t *ai
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} |
} |
given = n_part * scale; /* convert the given answer into proper scale for units */ |
given = n_part * scale; /* convert the given answer into proper scale for units */ |
sig = calc_sig( num_str ); |
sig = calc_sig( num_str ); |
if( (sig < sl) || (sig > su) ) { |
if( ((sig < sl ) || (sig > su )) && (sig!=0)) { |
result = SIG_FAIL; |
result = SIG_FAIL; |
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*error=capa_malloc(1,ANSWER_STRING_LENG); |
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sprintf(*error,"%d",sig); |
} else { |
} else { |
switch( tt ) { /* tolerence type */ |
switch( tt ) { /* tolerence type */ |
case TOL_ABSOLUTE: |
case TOL_ABSOLUTE: |
Line 2970 capa_check_ans(ai,ans) AnswerInfo_t *ai
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Line 2975 capa_check_ans(ai,ans) AnswerInfo_t *ai
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} /* end sig check */ |
} /* end sig check */ |
} /* end if unit check */ |
} /* end if unit check */ |
} else { /* user entered alphabets, but no number */ |
} else { /* user entered alphabets, but no number */ |
result = INCORRECT; |
result = WANTED_NUMERIC; |
} |
} |
} |
} |
break; |
break; |
Line 3001 capa_check_ans(ai,ans) AnswerInfo_t *ai
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Line 3006 capa_check_ans(ai,ans) AnswerInfo_t *ai
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break; |
break; |
case ANSWER_IS_EXTERNAL: /* Not yet implemented */ |
case ANSWER_IS_EXTERNAL: /* Not yet implemented */ |
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break; |
break; |
} |
} |
return (result); |
return (result); |
Line 3023 capa_check_ans(ai,ans) AnswerInfo_t *ai
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Line 3030 capa_check_ans(ai,ans) AnswerInfo_t *ai
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int |
int |
capa_check_answer(p, answer) Problem_t *p; char *answer; |
capa_check_answer(p, answer, error) Problem_t *p; char *answer; char **error; |
{ |
{ |
int type; |
int type; |
char *correct; |
char *correct; |
Line 3064 capa_check_answer(p, answer) Problem_t *
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Line 3071 capa_check_answer(p, answer) Problem_t *
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outcome = split_num_unit(answer,&n_part,input,unit_str); |
outcome = split_num_unit(answer,&n_part,input,unit_str); |
if( outcome > 1 ) { /* with both num and unit parts or only unit part */ |
if( outcome > 1 ) { /* with both num and unit parts or only unit part */ |
if( p->ans_unit != NULL ) { |
if( p->ans_unit != NULL ) { |
result = check_correct_unit(unit_str,p->ans_unit,&scale); |
if ( UNIT_FAIL == ( result = check_correct_unit(unit_str,p->ans_unit,&scale) ) ) { |
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*error=strsave(unit_str); |
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} |
} else { /* what to do when no unit is specified but student entered a unit? */ |
} else { /* what to do when no unit is specified but student entered a unit? */ |
result = UNIT_NOTNEEDED; |
result = UNIT_NOTNEEDED; |
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*error=strsave(unit_str); |
} |
} |
} else { |
} else { |
if( p->ans_unit != NULL ) { |
if( p->ans_unit != NULL ) { |
Line 3084 capa_check_answer(p, answer) Problem_t *
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Line 3093 capa_check_answer(p, answer) Problem_t *
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sig = calc_sig( input ); |
sig = calc_sig( input ); |
if( ((sig < sig_l) || (sig > sig_u)) && (sig!=0)) { |
if( ((sig < sig_l) || (sig > sig_u)) && (sig!=0)) { |
result = SIG_FAIL; |
result = SIG_FAIL; |
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*error=capa_malloc(1,ANSWER_STRING_LENG); |
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sprintf(*error,"%d",sig); |
} else { |
} else { |
switch( tol_type ) { |
switch( tol_type ) { |
case TOL_ABSOLUTE: |
case TOL_ABSOLUTE: |
Line 3125 capa_check_answer(p, answer) Problem_t *
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Line 3136 capa_check_answer(p, answer) Problem_t *
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} /* end sig check */ |
} /* end sig check */ |
} /* end if unit check */ |
} /* end if unit check */ |
} else { /* user entered alphabet, but no number */ |
} else { /* user entered alphabet, but no number */ |
result = INCORRECT; |
result = WANTED_NUMERIC; |
} |
} |
} |
} |
break; |
break; |
Line 3310 int tol_type;double tol;char *lower;char
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Line 3321 int tol_type;double tol;char *lower;char
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/* New check answers routine checks the /AND and /OR group of answers */ |
/* New check answers routine checks the /AND and /OR group of answers */ |
/* use array of char pointers char **a */ |
/* use array of char pointers char **a */ |
int |
int |
capa_check_answers(p,answers,cnt) Problem_t *p; char **answers; int cnt; |
capa_check_answers(p,answers,cnt,error) |
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Problem_t *p; char **answers; int cnt; char **error; |
{ |
{ |
AnswerInfo_t *ai; |
AnswerInfo_t *ai; |
int ii, done, result; |
int ii, done, result; |
int *outcomes; |
int *outcomes; |
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char **errormsg; |
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errormsg=(char**)capa_malloc(cnt,sizeof(char*)); |
if(p->ans_op == ANS_AND) { /* ans /and ans */ |
if(p->ans_op == ANS_AND) { /* ans /and ans */ |
if( (cnt != p->ans_cnt) ) { return (ANS_CNT_NOT_MATCH); } |
if( (cnt != p->ans_cnt) ) { return (ANS_CNT_NOT_MATCH); } |
if( cnt == 1 ) { return (capa_check_answer(p, answers[0])); } /* there is only one answer */ |
if( cnt == 1 ) { return (capa_check_answer(p, answers[0], error)); } /* there is only one answer */ |
outcomes = (int *)capa_malloc(sizeof(int),cnt); |
outcomes = (int *)capa_malloc(sizeof(int),cnt); |
for(ii=0;ii<cnt;ii++) outcomes[ii]=0; /* initialize the outcomes array */ |
for(ii=0;ii<cnt;ii++) outcomes[ii]=0; /* initialize the outcomes array */ |
outcomes[0] = capa_check_answer(p, answers[0]); |
outcomes[0] = capa_check_answer(p, answers[0], &errormsg[0]); |
for(ii=1, ai = p->ans_list; ai; ii++,ai = ai->ans_next ) { |
for(ii=1, ai = p->ans_list; ai; ii++,ai = ai->ans_next ) { |
outcomes[ii] = capa_check_ans(ai,answers[ii]); |
outcomes[ii] = capa_check_ans(ai,answers[ii],&(errormsg[ii])); |
} |
} |
done = ii = 0; |
done = ii = 0; |
result = 0; |
result = 0; |
Line 3332 capa_check_answers(p,answers,cnt) Proble
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Line 3346 capa_check_answers(p,answers,cnt) Proble
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(outcomes[ii] == NO_UNIT) || |
(outcomes[ii] == NO_UNIT) || |
(outcomes[ii] == UNIT_NOTNEEDED) ) { |
(outcomes[ii] == UNIT_NOTNEEDED) ) { |
result = outcomes[ii]; |
result = outcomes[ii]; |
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if (result != NO_UNIT) { *error=strsave(errormsg[ii]); } |
done = 1; |
done = 1; |
} |
} |
ii++; |
ii++; |
if(ii==cnt) done = 1; |
if(ii==cnt) done = 1; |
} |
} |
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if( result == 0 ) { /* check if any of the outcome has failed to be a numeric */ |
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done = ii = 0; |
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while( !done ) { |
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if( outcomes[ii] == WANTED_NUMERIC ) { |
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result = outcomes[ii]; |
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done = 1; |
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} |
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ii++; |
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if(ii==cnt) done = 1; |
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} |
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} |
if( result == 0 ) { /* check if any of the outcome has failed on sig figs */ |
if( result == 0 ) { /* check if any of the outcome has failed on sig figs */ |
done = ii = 0; |
done = ii = 0; |
while( !done ) { |
while( !done ) { |
if( outcomes[ii] == SIG_FAIL ) { |
if( outcomes[ii] == SIG_FAIL ) { |
result = outcomes[ii]; |
result = outcomes[ii]; |
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*error = strsave(errormsg[ii]); |
done = 1; |
done = 1; |
} |
} |
ii++; |
ii++; |
Line 3359 capa_check_answers(p,answers,cnt) Proble
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Line 3386 capa_check_answers(p,answers,cnt) Proble
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if(ii==cnt) done = 1; |
if(ii==cnt) done = 1; |
} |
} |
} |
} |
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for (ii=0;ii<cnt;ii++) { |
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if( (outcomes[ii] == UNIT_FAIL) || |
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(outcomes[ii] == SIG_FAIL) || |
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(outcomes[ii] == UNIT_NOTNEEDED) ) { |
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capa_mfree(errormsg[ii]); |
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} |
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} |
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capa_mfree((char *)errormsg); |
capa_mfree((char *)outcomes); |
capa_mfree((char *)outcomes); |
if( result == 0 ) { |
if( result == 0 ) { |
result = APPROX_ANS; /* all answers are correct */ |
result = APPROX_ANS; /* all answers are correct */ |
} |
} |
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} else { /* should be ANS_OR , user answer count should always be 1 */ |
} else { /* should be ANS_OR , user answer count should always be 1 */ |
if( cnt != 1 ) { return (ANS_CNT_NOT_MATCH); } |
if( cnt != 1 ) { return (ANS_CNT_NOT_MATCH); } |
if( p->ans_cnt == 1 ) { return (capa_check_answer(p, answers[0])); } |
if( p->ans_cnt == 1 ) { return (capa_check_answer(p, answers[0], error)); } |
result = capa_check_answer(p, answers[0]); |
result = capa_check_answer(p, answers[0], error); |
ii = 1; ai = p->ans_list; |
ii = 1; ai = p->ans_list; |
while( (ii<p->ans_cnt) && ( (result != EXACT_ANS) && (result != APPROX_ANS) ) ) { |
while( (ii<p->ans_cnt) && ( (result != EXACT_ANS) && (result != APPROX_ANS) ) ) { |
result = capa_check_ans(ai,answers[0]); |
if((ii!=1)&&((result==UNIT_FAIL)||(result==SIG_FAIL)||(result==UNIT_NOTNEEDED))) { |
ai = ai->ans_next; ii++; |
capa_mfree((char*)error); |
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} |
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result = capa_check_ans(ai,answers[0],error); |
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ai = ai->ans_next; ii++; |
} |
} |
} |
} |
return (result); |
return (result); |