text: /* Copyright 2013-2014. The Regents of the University of California.
   * Copyright 2015-2016. Martin Uecker.
   * All rights reserved. Use of this source code is governed by
   * a BSD-style license which can be found in the LICENSE file.
   * 
   * Authors:
   * 2012-2016 Martin Uecker <martin.uecker@med.uni-goettingen.de>
   * 2014 Jonathan Tamir <jtamir@eecs.berkeley.edu>
   */
  
  #include <complex.h>
  #include <stdbool.h>
  
  #include "num/multind.h"
  #include "num/init.h"
  
  #include "misc/resize.h"
  #include "misc/mmio.h"
  #include "misc/misc.h"
  #include "misc/opts.h"
  
  
  #ifndef DIMS
  #define DIMS 16
  #endif
  
  #ifndef CFL_SIZE
  #define CFL_SIZE sizeof(complex float)
  #endif
  
  
  static const char usage_str[] = "dim1 size1 ... dimn sizen <input> <output>";
  static const char help_str[] = "Resizes an array along dimensions to sizes by truncating or zero-padding.";
  
  
  int main_resize(int argc, char* argv[])
  {
  	bool center = false;
  
  	const struct opt_s opts[] = {
  
  		OPT_SET('c', &center, "center"),
  	};
  
  	cmdline(&argc, argv, 4, 1000, usage_str, help_str, ARRAY_SIZE(opts), opts);
  
  	num_init();
  
  
  	unsigned int N = DIMS;
  
  	int count = argc - 3;
  	assert((count > 0) && (count % 2 == 0));
  
  	long in_dims[N];
  	long out_dims[N];
  
  	void* in_data = load_cfl(argv[argc - 2], N, in_dims);
  	md_copy_dims(N, out_dims, in_dims);
  	
  	for (int i = 0; i < count; i += 2) {
  
  		unsigned int dim = atoi(argv[i + 1]);
  		unsigned int size = atoi(argv[i + 2]);
  
  		assert(dim < N);
  		assert(size >= 1);
  
  		out_dims[dim] = size;
  	}
  
  	void* out_data = create_cfl(argv[argc - 1], N, out_dims);
  
  	(center ? md_resize_center : md_resize)(N, out_dims, out_data, in_dims, in_data, CFL_SIZE);
  
  	unmap_cfl(N, in_dims, in_data);
  	unmap_cfl(N, out_dims, out_data);
  
  	return 0;
  }
  
  
  