ljz
7611f13208
相较上一版 Jacobian 确定性复用更新，本次补齐事件边界一致性、结果两侧采样及接触事件定位；保留已有物性复用和组件力学公式。 - 统一 UD00 信号求值与下一事件查询的绝对时间边界，修复循环边界浮点舍入导致的阶段错位、重复或漏报，并覆盖零时长、多阶段及长周期场景。 - 引入原生输出语义 v2：保留规则网格真实时间，补充内部时间事件和状态事件的左邻及事件后采样，按保存时间、状态和离散模式重放结果。 - 两条代码生成路径均发出 LSTP 接触描述，默认定位间隙过零及非负力模式的力截断；仅在接受事件时更新防重复记录，增加 contactEvents 诊断计数。 - 补充 MASS/LSTP 独立事件实验、八路全曲线与驱动阶段配对评估，以及 Amesim 不连续点输出对照和力差定位报告；MASS 新增释放机制仍保留为独立实验。 - 保存局部 probe、context 访问与回退、shadow replay、R288 real skip/typed replay 及阀门数值尾部诊断工具和报告；未证明净收益的实验不启用为生产默认优化。 - 更新原生运行说明和元件建模规范，补充信号边界、输出语义、接触事件和实验依赖回归测试。 验证：五组专项回归共 34 项全部通过；37 个待提交 Python 文件语法检查通过；git diff --cached --check 通过。
180 lines
9.2 KiB
C
180 lines
9.2 KiB
C
#include "runtime.h"
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#include "json_numbers.h"
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#include <sundials/sundials_config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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static void json_string(FILE *f, const char *value) {
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fputc('"',f);
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for (const unsigned char *p=(const unsigned char *)value; *p; p++) {
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if (*p=='"' || *p=='\\') { fputc('\\',f); fputc(*p,f); }
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else if (*p<32) fprintf(f,"\\u%04x",*p);
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else fputc(*p,f);
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}
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fputc('"',f);
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}
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static void vector(FILE *f, const double *value, int count) {
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fputc('[',f);
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for (int i=0;i<count;i++) fprintf(f,"%s%.17g",i?",":"",value[i]);
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fputc(']',f);
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}
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static int probe(void) {
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double t, y[NSTATES], dy[NSTATES], w[NOUTPUTS];
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while (scanf("%lf",&t)==1) {
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for (int i=0;i<NSTATES;i++) if (scanf("%lf",&y[i])!=1) return 64;
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int ok=model_eval(t,y,dy,w);
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printf("{\"success\":%s",ok?"true":"false");
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if (ok) { printf(",\"rhs\":"); vector(stdout,dy,NSTATES); printf(",\"outputs\":"); vector(stdout,w,NOUTPUTS); }
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printf("}\n");
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}
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return 0;
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}
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static int write_result_index(const char *path, int64_t series_start, int64_t series_end,
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int64_t result_bytes, size_t sample_count) {
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if(series_start<0 || series_end<series_start || result_bytes<series_end) return 0;
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FILE *index=fopen(path,"wb"); if(!index) return 0;
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int ok=fprintf(index,"{\"version\":1,\"seriesStart\":%lld,\"seriesEnd\":%lld,"
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"\"resultBytes\":%lld,\"sampleCount\":%zu}\n",
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(long long)series_start,(long long)series_end,(long long)result_bytes,sample_count)>=0;
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if(ferror(index)) ok=0;
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if(fclose(index)) ok=0;
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return ok;
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}
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static int write_result(NativeRun *r, const char *path, const char *index_path) {
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if(index_path && !strcmp(path,index_path)) return 0;
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double dy[NSTATES], final[NOUTPUTS];
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int final_ok=model_eval(r->final_time,r->final_state,dy,final);
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if (!native_samples_outputs(r)) return 0;
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FILE *f=fopen(path,"wb"); if (!f) return 0;
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fprintf(f,"{\"success\":%s,\"status\":",!r->status?"true":"false");
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json_string(f,r->status==0?"completed":r->status==1?"cancelled":"failed");
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fprintf(f,",\"message\":"); json_string(f,r->message);
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fprintf(f,",\"contactEvents\":{\"checks\":%lu,\"denseCalls\":%lu,\"rootIterations\":%lu,\"transitions\":%lu,\"forceClipTransitions\":%lu}",
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r->contact_checks,r->contact_dense,r->contact_roots,r->contact_transitions,r->contact_clipping);
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fprintf(f,",\"propertyWarnings\":"); native_property_warnings_json(r,f);
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fputs(",\"outputSemantics\":{\"version\":2,"
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"\"regularSamples\":\"actual-time-no-snap\","
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"\"internalTimeEvents\":\"left-adjacent-and-at-event\","
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"\"stateEvents\":\"left-adjacent-when-available-and-post-reset\","
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"\"sameTime\":\"last-accepted-state\","
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"\"replay\":\"saved-time-and-state-including-discrete-modes\"}",f);
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fprintf(f,",\"jacobianReuse\":{\"gasEvaluations\":%lu,\"gasReuses\":%lu",
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r->jacobian_gas_evaluations,r->jacobian_gas_reuses);
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const char *reuse_names[]={"ph","density","pipe"};
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for(int i=0;i<NATIVE_JACOBIAN_SCALAR_KINDS;i++)
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fprintf(f,",\"%sEvaluations\":%lu,\"%sReuses\":%lu",reuse_names[i],r->jacobian_scalar_evaluations[i],reuse_names[i],r->jacobian_scalar_reuses[i]);
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fputc('}',f);
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fprintf(f,",\"solverControl\":{\"reason\":"); json_string(f,r->failure_reason?r->failure_reason:"");
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fprintf(f,",\"operation\":"); json_string(f,r->failure_operation?r->failure_operation:"");
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fprintf(f,",\"returnCode\":%d,\"sameTimeReturns\":%lu,\"maxSameTimeStreak\":%lu",
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r->cvode_flag,r->same_time_returns,r->max_same_time_streak);
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const char *names[]={"returnTime","internalTime","lastStep","nextStep"};
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double diagnostic[]={r->cvode_return_time,r->cvode_internal_time,r->cvode_last_step,r->cvode_next_step};
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for(int i=0;i<4;i++) {
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fprintf(f,",\"%s\":",names[i]);
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if(isfinite(diagnostic[i])) fprintf(f,"%.17g",diagnostic[i]); else fputs("null",f);
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}
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fputc('}',f);
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fprintf(f,",\"jacobianMode\":\"%s\",\"jacobianRhsCalls\":%lu,"
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"\"jacobianColoredEvals\":%lu,\"jacobianFallbacks\":%lu,"
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"\"jacobianChecks\":%lu,\"jacobianMismatches\":%lu,"
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"\"cvodeRhsCalls\":%lu,\"cvodeLinearRhsCalls\":%lu",
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!r->options.bdf?"not-used":r->jacobian_colored?"colored-difference":"dense-difference",
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r->jacobian_rhs,r->jacobian_colored_evals,r->jacobian_fallbacks,
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r->jacobian_checks,r->jacobian_mismatches,r->cvode_rhs,r->linear_rhs);
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fprintf(f,",\"backend\":\"native-c\",\"method\":\"%s\",\"solver\":\"%s\",\"sundialsVersion\":\"%s\","
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"\"simulatedUntil\":%.17g,\"solveSeconds\":%.17g,\"solveCpuSeconds\":%.17g,"
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"\"nfev\":%lu,\"acceptedSteps\":%lu,\"rejectedSteps\":%lu,\"stateTransitions\":%lu,"
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"\"solverStarts\":%lu,\"njev\":%lu,\"nlu\":%lu,\"maxAcceptedStep\":%.17g,\"series\":{",
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r->options.bdf?"BDF":"RK45",r->options.bdf?"CVODE":"Dormand-Prince 5(4)",SUNDIALS_VERSION,
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r->final_time,r->solve_seconds,r->solve_cpu_seconds,r->nfev,r->accepted,r->rejected,
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r->events,r->starts,r->njev,r->nlu,r->max_accepted_step);
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/* Binary-mode positions delimit the complete series object, including
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both braces. The optional index avoids scanning or parsing its values. */
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int64_t series_start=-1,series_end=-1,result_bytes=-1;
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if(index_path) {
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series_start=native_file_tell(f);
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if(series_start>0) series_start--; else series_start=-1;
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}
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int output_ok=1;
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if (r->count) {
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fprintf(f,"\"time\":");
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output_ok=native_samples_json(r,f,0);
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for (int j=0;j<NOUTPUTS && output_ok;j++) {
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fputc(',',f); json_string(f,model_output_keys[j]); fputc(':',f);
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output_ok=native_samples_json(r,f,(size_t)j+1);
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}
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}
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fputc('}',f);
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if(index_path) series_end=native_file_tell(f);
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fprintf(f,",\"final\":{");
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if (final_ok) for (int j=0;j<NOUTPUTS && output_ok;j++) {
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if (j) fputc(',',f);
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json_string(f,model_output_keys[j]); fputc(':',f);
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output_ok=native_json_write_number(f,final[j]);
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}
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fprintf(f,"},\"finalState\":");
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if (output_ok) output_ok=native_json_write_array(f,r->final_state,NSTATES,1);
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fprintf(f,"}\n"); int ok=output_ok && !ferror(f);
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if(index_path) {
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result_bytes=native_file_tell(f);
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if(series_start<0 || series_end<0 || result_bytes<0) ok=0;
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}
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if (fclose(f)) ok=0;
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/* Publish the index only after the complete result was successfully
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flushed and closed. An index I/O failure is a failed result write. */
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if(ok && index_path) ok=write_result_index(index_path,series_start,series_end,result_bytes,r->count);
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return ok;
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}
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int main(int argc, char **argv) {
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NativeRun r={0};
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r.options=(NativeOptions){0,10,.02,.001,1e-6,300,0,1,NULL};
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const char *output="result.json", *index_path=NULL;
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for (int i=1;i<argc;i++) {
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const char *arg=argv[i];
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if (!strcmp(arg,"--probe")) return probe();
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if (!strcmp(arg,"--init")) {
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double y[NSTATES]; if (!model_init(y)) return 2;
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vector(stdout,y,NSTATES); fputc('\n',stdout); return 0;
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}
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if (!strcmp(arg,"--storage-control")) { r.storage_control=1; continue; }
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if (!strcmp(arg,"--solve-only")) { r.options.record_samples=0; continue; }
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if (!strcmp(arg,"--verify-jacobian")) { r.jacobian_verify=1; continue; }
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if (i+1==argc) return 64;
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const char *value=argv[++i];
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if (!strcmp(arg,"--output")) output=value;
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else if (!strcmp(arg,"--sample-file")) r.sample_path=value;
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else if (!strcmp(arg,"--output-block-file")) r.output_blocks_path=value;
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else if (!strcmp(arg,"--result-index")) index_path=value;
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else if (!strcmp(arg,"--cancel-file")) r.options.cancel_path=value;
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else if (!strcmp(arg,"--method")) {
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if (strcmp(value,"RK45") && strcmp(value,"BDF")) return 64;
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r.options.bdf=!strcmp(value,"BDF");
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} else {
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char *end; double number=strtod(value,&end);
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if (*end || !isfinite(number)) return 64;
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if (!strcmp(arg,"--start")) r.options.start=number;
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else if (!strcmp(arg,"--stop")) r.options.stop=number;
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else if (!strcmp(arg,"--sample-step")) r.options.sample_step=number;
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else if (!strcmp(arg,"--max-step")) r.options.max_step=number;
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else if (!strcmp(arg,"--rtol")) r.options.rtol=number;
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else if (!strcmp(arg,"--timeout")) r.options.timeout=number;
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else return 64;
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}
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}
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if (!(r.options.stop>r.options.start && r.options.sample_step>0 && r.options.max_step>0 &&
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r.options.rtol>0 && r.options.timeout>0) ||
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r.options.start+r.options.sample_step==r.options.start ||
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r.options.start+r.options.max_step==r.options.start ||
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!isfinite(r.options.stop-r.options.start)) return 64;
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if (r.options.record_samples &&
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((r.options.stop-r.options.start)/r.options.sample_step>1000000)) return 64;
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native_solve(&r);
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int saved=write_result(&r,output,index_path);
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int code=saved?(r.status==2?2:0):3;
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native_run_free(&r); return code;
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}
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