cannam@167: /* not worth copyrighting */
cannam@167: 
cannam@167: 
cannam@167: #include "libbench2/bench.h"
cannam@167: 
cannam@167: static void bounds(bench_problem *p, int *ilb, int *iub, int *olb, int *oub)
cannam@167: {
cannam@167:      bench_tensor *t = tensor_append(p->sz, p->vecsz);
cannam@167:      tensor_ibounds(t, ilb, iub);
cannam@167:      tensor_obounds(t, olb, oub);
cannam@167:      tensor_destroy(t);
cannam@167: }
cannam@167: 
cannam@167: /*
cannam@167:  * Allocate I/O arrays for a problem.
cannam@167:  *
cannam@167:  * This is the default routine that can be overridden by the user in
cannam@167:  * complicated cases.
cannam@167:  */
cannam@167: void problem_alloc(bench_problem *p)
cannam@167: {
cannam@167:      int ilb, iub, olb, oub;
cannam@167:      int isz, osz;
cannam@167: 
cannam@167:      bounds(p, &ilb, &iub, &olb, &oub);
cannam@167:      isz = iub - ilb;
cannam@167:      osz = oub - olb;
cannam@167: 
cannam@167:      if (p->kind == PROBLEM_COMPLEX) {
cannam@167: 	  bench_complex *in, *out;
cannam@167: 
cannam@167: 	  p->iphyssz = isz;
cannam@167: 	  p->inphys = in = (bench_complex *) bench_malloc(isz * sizeof(bench_complex));
cannam@167: 	  p->in = in - ilb;
cannam@167: 	  
cannam@167: 	  if (p->in_place) {
cannam@167: 	       p->out = p->in;
cannam@167: 	       p->outphys = p->inphys;
cannam@167: 	       p->ophyssz = p->iphyssz;
cannam@167: 	  } else {
cannam@167: 	       p->ophyssz = osz;
cannam@167: 	       p->outphys = out = (bench_complex *) bench_malloc(osz * sizeof(bench_complex));
cannam@167: 	       p->out = out - olb;
cannam@167: 	  }
cannam@167:      } else if (p->kind == PROBLEM_R2R) {
cannam@167: 	  bench_real *in, *out;
cannam@167: 
cannam@167: 	  p->iphyssz = isz;
cannam@167: 	  p->inphys = in = (bench_real *) bench_malloc(isz * sizeof(bench_real));
cannam@167: 	  p->in = in - ilb;
cannam@167: 	  
cannam@167: 	  if (p->in_place) {
cannam@167: 	       p->out = p->in;
cannam@167: 	       p->outphys = p->inphys;
cannam@167: 	       p->ophyssz = p->iphyssz;
cannam@167: 	  } else {
cannam@167: 	       p->ophyssz = osz;
cannam@167: 	       p->outphys = out = (bench_real *) bench_malloc(osz * sizeof(bench_real));
cannam@167: 	       p->out = out - olb;
cannam@167: 	  }
cannam@167:      } else if (p->kind == PROBLEM_REAL && p->sign < 0) { /* R2HC */
cannam@167: 	  bench_real *in;
cannam@167: 	  bench_complex *out;
cannam@167: 
cannam@167: 	  isz = isz > osz*2 ? isz : osz*2;
cannam@167: 	  p->iphyssz = isz;
cannam@167: 	  p->inphys = in = (bench_real *) bench_malloc(p->iphyssz * sizeof(bench_real));
cannam@167: 	  p->in = in - ilb;
cannam@167: 	  
cannam@167: 	  if (p->in_place) {
cannam@167: 	       p->out = p->in;
cannam@167: 	       p->outphys = p->inphys;
cannam@167: 	       p->ophyssz = p->iphyssz / 2;
cannam@167: 	  } else {
cannam@167: 	       p->ophyssz = osz;
cannam@167: 	       p->outphys = out = (bench_complex *) bench_malloc(osz * sizeof(bench_complex));
cannam@167: 	       p->out = out - olb;
cannam@167: 	  }
cannam@167:      } else if (p->kind == PROBLEM_REAL && p->sign > 0) { /* HC2R */
cannam@167: 	  bench_real *out;
cannam@167: 	  bench_complex *in;
cannam@167: 
cannam@167: 	  osz = osz > isz*2 ? osz : isz*2;
cannam@167: 	  p->ophyssz = osz;
cannam@167: 	  p->outphys = out = (bench_real *) bench_malloc(p->ophyssz * sizeof(bench_real));
cannam@167: 	  p->out = out - olb;
cannam@167: 	  
cannam@167: 	  if (p->in_place) {
cannam@167: 	       p->in = p->out;
cannam@167: 	       p->inphys = p->outphys;
cannam@167: 	       p->iphyssz = p->ophyssz / 2;
cannam@167: 	  } else {
cannam@167: 	       p->iphyssz = isz;
cannam@167: 	       p->inphys = in = (bench_complex *) bench_malloc(isz * sizeof(bench_complex));
cannam@167: 	       p->in = in - ilb;
cannam@167: 	  }
cannam@167:      } else {
cannam@167: 	  BENCH_ASSERT(0); /* TODO */
cannam@167:      }
cannam@167: }
cannam@167: 
cannam@167: void problem_free(bench_problem *p)
cannam@167: {
cannam@167:      if (p->outphys && p->outphys != p->inphys)
cannam@167: 	  bench_free(p->outphys);
cannam@167:      if (p->inphys)
cannam@167: 	  bench_free(p->inphys);
cannam@167:      tensor_destroy(p->sz);
cannam@167:      tensor_destroy(p->vecsz);
cannam@167: }