version 1.22, 2002/09/20 21:27:49
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version 1.24, 2004/06/01 19:57:18
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Line 2638 answers_string(mode, p)int mode;Problem_
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Line 2638 answers_string(mode, p)int mode;Problem_
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if(len_dd == 0 ) { /* no unit_str */ |
if(len_dd == 0 ) { /* no unit_str */ |
sprintf(ans_str," %s [%s,%s]\n\n", str_aa,str_bb,str_cc); |
sprintf(ans_str," %s [%s,%s]\n\n", str_aa,str_bb,str_cc); |
} else { |
} else { |
sprintf(ans_str," %s [%s,%s] $%s$\n\n", str_aa,str_bb,str_cc,p->unit_str); |
sprintf(ans_str," %s [%s,%s] $\\mathrm{%s}$\n\n", str_aa,str_bb,str_cc,p->unit_str); |
} |
} |
capa_mfree((char *)str_aa); |
capa_mfree((char *)str_aa); |
capa_mfree((char *)str_bb); |
capa_mfree((char *)str_bb); |
Line 2660 answers_string(mode, p)int mode;Problem_
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Line 2660 answers_string(mode, p)int mode;Problem_
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if(len_dd == 0 ) { /* no unit_str */ |
if(len_dd == 0 ) { /* no unit_str */ |
sprintf(ans_str," %s\n", str_bb); |
sprintf(ans_str," %s\n", str_bb); |
} else { |
} else { |
sprintf(ans_str," %s $%s$\n", str_bb,p->unit_str); |
sprintf(ans_str," %s $\\mathrm{%s}$\n", str_bb,p->unit_str); |
} |
} |
capa_mfree((char *)str_bb); |
capa_mfree((char *)str_bb); |
} |
} |
Line 2897 answers_string(mode, p)int mode;Problem_
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Line 2897 answers_string(mode, p)int mode;Problem_
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} |
} |
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int check_for_unit_fail(int result) |
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{ |
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int ret; |
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ret = (result == UNIT_FAIL || |
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result == UNIT_IRRECONCIBLE || |
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result == UNIT_INVALID_STUDENT3 || |
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result == UNIT_INVALID_STUDENT2 || |
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result == UNIT_INVALID_STUDENT1); |
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return ret; |
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} |
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/* ------------------------------ called from capalogin */ |
/* ------------------------------ called from capalogin */ |
/* impose stronger checking on the user input string *answer */ |
/* impose stronger checking on the user input string *answer */ |
Line 2947 capa_check_ans(ai,ans, error) AnswerInfo
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Line 2957 capa_check_ans(ai,ans, error) AnswerInfo
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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 ) { |
if (UNIT_FAIL == (result = check_correct_unit(unit_str,u_p,&scale))) { |
result = check_correct_unit(unit_str,u_p,&scale); |
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if (check_for_unit_fail(result)) { |
*error=strsave(unit_str); |
*error=strsave(unit_str); |
} |
} |
} 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? */ |
Line 2959 capa_check_ans(ai,ans, error) AnswerInfo
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Line 2970 capa_check_ans(ai,ans, error) AnswerInfo
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result = NO_UNIT; |
result = NO_UNIT; |
} |
} |
} |
} |
if( (result != NO_UNIT) && (result != UNIT_FAIL) && ( result != UNIT_NOTNEEDED) ) { |
if( (result != NO_UNIT) && (!check_for_unit_fail(result)) && ( result != UNIT_NOTNEEDED) ) { |
if( t == ANSWER_IS_FLOAT ) { |
if( t == ANSWER_IS_FLOAT ) { |
target = (double)atof(s); /* real number */ |
target = (double)atof(s); /* real number */ |
} else { |
} else { |
Line 3097 capa_check_answer(p, answer, error) Prob
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Line 3108 capa_check_answer(p, answer, error) Prob
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fmt = p->ans_fmt; |
fmt = p->ans_fmt; |
calc_type = p->calc; |
calc_type = p->calc; |
unit_str[0]=0; |
unit_str[0]=0; |
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switch(type) { |
switch(type) { |
case ANSWER_IS_INTEGER: |
case ANSWER_IS_INTEGER: |
case ANSWER_IS_FLOAT: |
case ANSWER_IS_FLOAT: |
Line 3113 capa_check_answer(p, answer, error) Prob
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Line 3124 capa_check_answer(p, answer, error) Prob
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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 ) { |
if ( UNIT_FAIL == ( result = check_correct_unit(unit_str,p->ans_unit,&scale) ) ) { |
result = check_correct_unit(unit_str,p->ans_unit,&scale); |
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if (check_for_unit_fail(result)) { |
*error=strsave(unit_str); |
*error=strsave(unit_str); |
} |
} |
} 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? */ |
Line 3125 capa_check_answer(p, answer, error) Prob
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Line 3137 capa_check_answer(p, answer, error) Prob
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result = NO_UNIT; |
result = NO_UNIT; |
} |
} |
} |
} |
if( (result != NO_UNIT) && (result != UNIT_FAIL) && ( result != UNIT_NOTNEEDED) ) { |
if( (result != NO_UNIT) && (!check_for_unit_fail(result)) && ( result != UNIT_NOTNEEDED) ) { |
if( type == ANSWER_IS_FLOAT ) { |
if( type == ANSWER_IS_FLOAT ) { |
target = (double)atof(correct); /* real number */ |
target = (double)atof(correct); /* real number */ |
} else { |
} else { |
Line 3400 Problem_t *p; char **answers; int cnt; c
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Line 3412 Problem_t *p; char **answers; int cnt; c
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done = ii = 0; |
done = ii = 0; |
result = 0; |
result = 0; |
while( !done ) { /* check if any of the outcome has failed on units */ |
while( !done ) { /* check if any of the outcome has failed on units */ |
if( (outcomes[ii] == UNIT_FAIL) || |
if( (check_for_unit_fail(outcomes[ii])) || |
(outcomes[ii] == NO_UNIT) || |
(outcomes[ii] == NO_UNIT) || |
(outcomes[ii] == UNIT_NOTNEEDED) ) { |
(outcomes[ii] == UNIT_NOTNEEDED) ) { |
result = outcomes[ii]; |
result = outcomes[ii]; |
Line 3447 Problem_t *p; char **answers; int cnt; c
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Line 3459 Problem_t *p; char **answers; int cnt; c
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} |
} |
} |
} |
for (ii=0;ii<cnt;ii++) { |
for (ii=0;ii<cnt;ii++) { |
if( (outcomes[ii] == UNIT_FAIL) || |
if( (check_for_unit_fail(outcomes[ii])) || |
(outcomes[ii] == SIG_FAIL) || |
(outcomes[ii] == SIG_FAIL) || |
(outcomes[ii] == UNIT_NOTNEEDED) ) { |
(outcomes[ii] == UNIT_NOTNEEDED) ) { |
capa_mfree(errormsg[ii]); |
capa_mfree(errormsg[ii]); |
Line 3465 Problem_t *p; char **answers; int cnt; c
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Line 3477 Problem_t *p; char **answers; int cnt; c
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result = capa_check_answer(p, answers[0], error); |
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) ) ) { |
if((ii!=1)&&((result==UNIT_FAIL)||(result==SIG_FAIL)||(result==UNIT_NOTNEEDED))) { |
if((ii!=1)&&((check_for_unit_fail(result))||(result==SIG_FAIL)||(result==UNIT_NOTNEEDED))) { |
capa_mfree((char*)error); |
capa_mfree((char*)error); |
} |
} |
result = capa_check_ans(ai,answers[0],error); |
result = capa_check_ans(ai,answers[0],error); |