WebSVN – AFRtranscoder – Blame – /trunk/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/inc/transform_tests/transform_templates.h

Rev	Author	Line No.	Line
2	mjames	1	#ifndef _TRANSFORM_TEMPLATES_H_
		2	#define _TRANSFORM_TEMPLATES_H_
		3
		4	/--------------------------------------------------------------------------------/
		5	/* Includes */
		6	/--------------------------------------------------------------------------------/
		7
		8	#include "test_templates.h"
		9	#include <string.h> /* memcpy() */
		10
		11	/--------------------------------------------------------------------------------/
		12	/* Group Specific Templates */
		13	/--------------------------------------------------------------------------------/
		14
		15	/**
		16	* Comparison SNR thresholds for the data types used in transform_tests.
		17	*/
		18	#define TRANSFORM_SNR_THRESHOLD_float32_t 90
		19	#define TRANSFORM_SNR_THRESHOLD_q31_t 90
		20	#define TRANSFORM_SNR_THRESHOLD_q15_t 30
		21
		22	#define DCT4_TRANSFORM_SNR_THRESHOLD_float32_t 80
		23	#define DCT4_TRANSFORM_SNR_THRESHOLD_q31_t 75
		24	#define DCT4_TRANSFORM_SNR_THRESHOLD_q15_t 11
		25
		26	/**
		27	* Compare the outputs from the function under test and the reference
		28	* function using SNR.
		29	*/
		30	#define TRANSFORM_SNR_COMPARE_INTERFACE(block_size, \
		31	output_type) \
		32	do \
		33	{ \
		34	TEST_CONVERT_AND_ASSERT_SNR( \
		35	transform_fft_output_f32_ref, \
		36	(output_type *) transform_fft_output_ref, \
		37	transform_fft_output_f32_fut, \
		38	(output_type *) transform_fft_output_fut, \
		39	block_size, \
		40	output_type, \
		41	TRANSFORM_SNR_THRESHOLD_##output_type \
		42	); \
		43	} while (0)
		44
		45	/**
		46	* Compare the outputs from the function under test and the reference
		47	* function using SNR.
		48	*/
		49	#define DCT_TRANSFORM_SNR_COMPARE_INTERFACE(block_size, \
		50	output_type) \
		51	do \
		52	{ \
		53	TEST_CONVERT_AND_ASSERT_SNR( \
		54	transform_fft_output_f32_ref, \
		55	(output_type *) transform_fft_output_ref, \
		56	transform_fft_output_f32_fut, \
		57	(output_type *) transform_fft_output_fut, \
		58	block_size, \
		59	output_type, \
		60	DCT4_TRANSFORM_SNR_THRESHOLD_##output_type \
		61	); \
		62	} while (0) \
		63
		64	/**
		65	* Specialization on #TRANSFORM_SNR_COMPARE_INTERFACE() to fix the block_size
		66	* for complex datasets.
		67	*/
		68	#define TRANSFORM_SNR_COMPARE_CMPLX_INTERFACE(block_size, output_type) \
		69	/* Complex numbers have two components*/ \
		70	TRANSFORM_SNR_COMPARE_INTERFACE(block_size * 2, output_type )
		71
		72	/**
		73	* This macro copys data from the input_ptr into input arrays.
		74	*
		75	* Some functions modify their input data; in order to provide the same data to
		76	* multiple tests, copies must be made so the changes from one function don't
		77	* impact the others.
		78	*/
		79	#define TRANSFORM_COPY_INPUTS(input_ptr, \
		80	bytes) \
		81	do \
		82	{ \
		83	memcpy( \
		84	transform_fft_input_fut, \
		85	input_ptr, \
		86	bytes); \
		87	memcpy( \
		88	transform_fft_input_ref, \
		89	input_ptr, \
		90	bytes); \
		91	} while (0)
		92
		93	/**
		94	* This macro copys data from the input_ptr into input arrays. It also creates
		95	* symmetric input data for rfft inverse.
		96	*
		97	* The 4.534234f just makes the middle entry of the array semi random. It's
		98	* actual value doesn't seem to matter much.
		99	*
		100	* Some functions modify their input data; in order to provide the same data to
		101	* multiple tests, copies must be made so the changes from one function don't
		102	* impact the others.
		103	*/
		104	#define TRANSFORM_PREPARE_INVERSE_INPUTS(input_ptr, \
		105	fftlen, input_type, bytes) \
		106	do \
		107	{ \
		108	uint32_t i; \
		109	\
		110	memcpy( \
		111	transform_fft_input_fut, \
		112	input_ptr, \
		113	bytes); \
		114	\
		115	((input_type*)transform_fft_input_fut)[1] = 0; \
		116	((input_type*)transform_fft_input_fut)[fftlen + 0] = 0; \
		117	((input_type*)transform_fft_input_fut)[fftlen + 1] = 0; \
		118	for(i=1;i<fftlen/2;i++) \
		119	{ \
		120	((input_type)transform_fft_input_fut + fftlen + 2*i + 0) = \
		121	((input_type)transform_fft_input_fut + fftlen - 2*i + 0); \
		122	((input_type)transform_fft_input_fut + fftlen + 2*i + 1) = \
		123	-(((input_type)transform_fft_input_fut + fftlen - 2*i + 1)); \
		124	\
		125	} \
		126	\
		127	memcpy( \
		128	transform_fft_input_ref, \
		129	transform_fft_input_fut, \
		130	bytes * 2); \
		131	} while (0)
		132
		133	/**
		134	* This macro copys data from the input_ptr into the in-place input arrays.
		135	*
		136	* Some functions modify their input data; in order to provide the same data to
		137	* multiple tests, copies must be made so the changes from one function don't
		138	* impact the others.
		139	*/
		140	#define TRANSFORM_PREPARE_INPLACE_INPUTS_DOWNSHIFT(input_ptr, \
		141	bytes, \
		142	type) \
		143	do \
		144	{ \
		145	uint32_t i; \
		146	memcpy( \
		147	transform_fft_inplace_input_fut, \
		148	input_ptr, \
		149	bytes); \
		150	memcpy( \
		151	transform_fft_inplace_input_ref, \
		152	input_ptr, \
		153	bytes); \
		154	for(i=0;i<bytes/sizeof(type);i++) { \
		155	((type)transform_fft_inplace_input_fut + i) >>= 1; \
		156	((type)transform_fft_inplace_input_ref + i) >>= 1;} \
		157	} while (0)
		158
		159	/**
		160	* This macro copys data from the input_ptr into the in-place input arrays.
		161	*
		162	* Some functions modify their input data; in order to provide the same data to
		163	* multiple tests, copies must be made so the changes from one function don't
		164	* impact the others.
		165	*/
		166	#define TRANSFORM_PREPARE_INPLACE_INPUTS(input_ptr, \
		167	bytes) \
		168	do \
		169	{ \
		170	memcpy( \
		171	transform_fft_inplace_input_fut, \
		172	input_ptr, \
		173	bytes); \
		174	memcpy( \
		175	transform_fft_inplace_input_ref, \
		176	input_ptr, \
		177	bytes); \
		178	} while (0)
		179
		180
		181	#endif /* _TRANSFORM_TEMPLATES_H_ */

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(root)/trunk/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/inc/transform_tests/transform_templates.h – Rev 2