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长方体特征与表达式相关的应用

//头文件
#include <stdio.h>
#include <uf_modl.h>

//长方体特征

char *block_len[3]={"1","2","3"};
double block_orig[3]={0.0,0.0,0.0};
tag_t blk_obj;
int number_of_exps=0,i;
tag_t *exps;
char *string;
char *lhs_str,*rhs_str;
tag_t exp_tag;
char *name[3];
name[0]="l";
name[1]="w";
name[2]="h";
double exp_value;
char buffer[100];
UF_UI_open_listing_window();
//创建长方体
UF_MODL_create_block1(UF_NULLSIGN,block_orig,block_len,&blk_obj);

//查询长方体特征所包含的表达式
UF_MODL_ask_exps_of_feature(blk_obj,&number_of_exps,&exps);
sprintf(buffer,"number_of_exps=%d\n",number_of_exps);
UF_UI_write_listing_window(buffer);

for(i=0;i<number_of_exps;i++)
{
//利用表达式获得标识
UF_MODL_ask_exp_tag_string(exps,&string);
//分离表达式的名称和数值

//计算表达式的值
UF_MODL_eval_exp(name,&exp_value);
sprintf(buffer,"%f\n",exp_value);
UF_UI_write_listing_window(buffer);
buffer[0]='\0';
UF_free(lhs_str);
UF_free(rhs_str);
UF_free(string);
}
UF_free(exps);
string="\0";
UF_MODL_ask_exps_of_feature(blk_obj,&number_of_exps,&exps);
for(i=0;i<number_of_exps;i++)
{
UF_MODL_ask_exp_tag_string(exps,&string);
UF_UI_write_listing_window(string);
UF_UI_write_listing_window("\n");
UF_free(string);
}
UF_free(exps);