46 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			46 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Copyright (c) 2003, 2007-14 Matteo Frigo | ||
|  |  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology | ||
|  |  * | ||
|  |  * This program is free software; you can redistribute it and/or modify | ||
|  |  * it under the terms of the GNU General Public License as published by | ||
|  |  * the Free Software Foundation; either version 2 of the License, or | ||
|  |  * (at your option) any later version. | ||
|  |  * | ||
|  |  * This program is distributed in the hope that it will be useful, | ||
|  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  * GNU General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU General Public License | ||
|  |  * along with this program; if not, write to the Free Software | ||
|  |  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA | ||
|  |  * | ||
|  |  */ | ||
|  | 
 | ||
|  | #include "kernel/ifftw.h"
 | ||
|  | 
 | ||
|  | const INT X(an_INT_guaranteed_to_be_zero) = 0; | ||
|  | 
 | ||
|  | #ifdef PRECOMPUTE_ARRAY_INDICES
 | ||
|  | stride X(mkstride)(INT n, INT s) | ||
|  | { | ||
|  |      int i; | ||
|  |      INT *p; | ||
|  | 
 | ||
|  |      A(n >= 0); | ||
|  |      p = (INT *) MALLOC((size_t)n * sizeof(INT), STRIDES); | ||
|  | 
 | ||
|  |      for (i = 0; i < n; ++i) | ||
|  |           p[i] = s * i; | ||
|  | 
 | ||
|  |      return p; | ||
|  | } | ||
|  | 
 | ||
|  | void X(stride_destroy)(stride p) | ||
|  | { | ||
|  |      X(ifree0)(p); | ||
|  | } | ||
|  | 
 | ||
|  | #endif
 |