111 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* not worth copyrighting */
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| 
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| 
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| #include "libbench2/bench.h"
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| 
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| static void bounds(bench_problem *p, int *ilb, int *iub, int *olb, int *oub)
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| {
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|      bench_tensor *t = tensor_append(p->sz, p->vecsz);
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|      tensor_ibounds(t, ilb, iub);
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|      tensor_obounds(t, olb, oub);
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|      tensor_destroy(t);
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| }
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| 
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| /*
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|  * Allocate I/O arrays for a problem.
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|  *
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|  * This is the default routine that can be overridden by the user in
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|  * complicated cases.
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|  */
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| void problem_alloc(bench_problem *p)
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| {
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|      int ilb, iub, olb, oub;
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|      int isz, osz;
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| 
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|      bounds(p, &ilb, &iub, &olb, &oub);
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|      isz = iub - ilb;
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|      osz = oub - olb;
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| 
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|      if (p->kind == PROBLEM_COMPLEX) {
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| 	  bench_complex *in, *out;
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| 
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| 	  p->iphyssz = isz;
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| 	  p->inphys = in = (bench_complex *) bench_malloc(isz * sizeof(bench_complex));
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| 	  p->in = in - ilb;
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| 	  
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| 	  if (p->in_place) {
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| 	       p->out = p->in;
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| 	       p->outphys = p->inphys;
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| 	       p->ophyssz = p->iphyssz;
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| 	  } else {
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| 	       p->ophyssz = osz;
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| 	       p->outphys = out = (bench_complex *) bench_malloc(osz * sizeof(bench_complex));
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| 	       p->out = out - olb;
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| 	  }
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|      } else if (p->kind == PROBLEM_R2R) {
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| 	  bench_real *in, *out;
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| 
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| 	  p->iphyssz = isz;
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| 	  p->inphys = in = (bench_real *) bench_malloc(isz * sizeof(bench_real));
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| 	  p->in = in - ilb;
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| 	  
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| 	  if (p->in_place) {
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| 	       p->out = p->in;
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| 	       p->outphys = p->inphys;
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| 	       p->ophyssz = p->iphyssz;
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| 	  } else {
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| 	       p->ophyssz = osz;
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| 	       p->outphys = out = (bench_real *) bench_malloc(osz * sizeof(bench_real));
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| 	       p->out = out - olb;
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| 	  }
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|      } else if (p->kind == PROBLEM_REAL && p->sign < 0) { /* R2HC */
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| 	  bench_real *in;
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| 	  bench_complex *out;
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| 
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| 	  isz = isz > osz*2 ? isz : osz*2;
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| 	  p->iphyssz = isz;
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| 	  p->inphys = in = (bench_real *) bench_malloc(p->iphyssz * sizeof(bench_real));
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| 	  p->in = in - ilb;
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| 	  
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| 	  if (p->in_place) {
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| 	       p->out = p->in;
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| 	       p->outphys = p->inphys;
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| 	       p->ophyssz = p->iphyssz / 2;
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| 	  } else {
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| 	       p->ophyssz = osz;
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| 	       p->outphys = out = (bench_complex *) bench_malloc(osz * sizeof(bench_complex));
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| 	       p->out = out - olb;
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| 	  }
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|      } else if (p->kind == PROBLEM_REAL && p->sign > 0) { /* HC2R */
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| 	  bench_real *out;
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| 	  bench_complex *in;
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| 
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| 	  osz = osz > isz*2 ? osz : isz*2;
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| 	  p->ophyssz = osz;
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| 	  p->outphys = out = (bench_real *) bench_malloc(p->ophyssz * sizeof(bench_real));
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| 	  p->out = out - olb;
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| 	  
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| 	  if (p->in_place) {
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| 	       p->in = p->out;
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| 	       p->inphys = p->outphys;
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| 	       p->iphyssz = p->ophyssz / 2;
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| 	  } else {
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| 	       p->iphyssz = isz;
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| 	       p->inphys = in = (bench_complex *) bench_malloc(isz * sizeof(bench_complex));
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| 	       p->in = in - ilb;
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| 	  }
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|      } else {
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| 	  BENCH_ASSERT(0); /* TODO */
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|      }
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| }
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| 
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| void problem_free(bench_problem *p)
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| {
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|      if (p->outphys && p->outphys != p->inphys)
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| 	  bench_free(p->outphys);
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|      if (p->inphys)
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| 	  bench_free(p->inphys);
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|      tensor_destroy(p->sz);
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|      tensor_destroy(p->vecsz);
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| }
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