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float * get_impulse_response( kdu_kernel_type which, int & half_length)
[Declared in "../coresys/common/kdu_kernels.h"]
Returns the equivalent linearized impulse responses of the symmetric odd length DWT kernels.
An array of L+1 filter taps, starting from the central tap of the symmetric length 2L+1 impulse response and continuing to the tail. The other L taps may be deduced, if necessary, from the symmetry properties.
Indicates which impulse response is required (analysis or synthesis, low- or high- pass). Valid values are KDU_ANALYSIS_LOW, KDU_ANALYSIS_HIGH, KDU_SYNTHESIS_LOW and KDU_SYNTHESIS_HIGH.
Used to return the value of the length parameter, L, such that the relevant impulse response has length 2L+1.
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