Commit Graph

38 Commits (2a7714ced741550f07b393c01145aba3ebc16ea6)

Author SHA1 Message Date
Christophe Favergeon 8092cc61f9 CMSIS-DSP: New MFCC Q15 and Q31
arm_cmplx_mag_q15 reworked to be more accurate but less efficient.

New function arm_cmplx_mag_fast_q15 introduced to retain previous
(less accurate) but faster behavior.

Improvement to Python wrapper to support the new functions.
4 years ago
JbR 7a4579d9a9 Implement some f64 methods 4 years ago
Christophe Favergeon 9674e00294 CMSIS-DSP: log f16 update 4 years ago
Christophe Favergeon 8fb55a90b7 CMSIS-DSP: Added MFCC F16
This first version is not very accurate due to problems with the log.
A coming commit will improve the log accuracy.

Issues #1305 and #1304 also corrected as part of this commit.
4 years ago
Christophe Favergeon 3d264cfabb CMSIS-DSP: MFCC F32
MFCC F32 implementation
MFCC F32 tests
MFCC F32 in Python wrapper
Python wrapper structure updated to support submodule like
cmsisdsp.mfcc and cmsisdsp.fixedpoint
PythonWrapper tests updated to use the new fixedpoint
cmsisdsp.mfcc is used to generate the mel filter, dct and window coefficients.
4 years ago
Christophe Favergeon f1e33b7a7f CMSIS-DSP: Correcting issue 1293
Missing const qualifier in linear interpolation
4 years ago
Christophe Favergeon 840a233053 CMSIS-DSP: Scalar version for arm_vlog_q31
Added scalar version of arm_vlog_q15

Updated PythonWrapper with vlog q31 and q15
Corrected small compilation issue with AC5 compiler.
4 years ago
Christophe Favergeon 2a2f745bd3 CMSIS-DSP: Correction of issue 1217
Wrong initialization code for Neon version of biquad DF2T.
Initialization function was trying to modify a const array.
Added Neon function to Doxygen output and some correction because of Doxygen.
5 years ago
Christophe Favergeon 5fac45cc96 CMSIS-DSP: Removed float promotion issues
Corrected some additional warnings when compiling with AC5 compiler.
Updated version numbers,
5 years ago
Christophe Favergeon 4014866174 CMSIS-DSP: Remove some gcc compilation warnings. 5 years ago
Sun Yiming Z 8a5de0715b Update svm_functions.h 5 years ago
Sun Yiming Z 7fc18f0e6f Update svm_functions.h 5 years ago
Sun Yiming Z 43c42fa16c Update svm_functions_f16.h 5 years ago
Christophe Favergeon d5ad8e995b CMSIS-DSP: Update copyright year and version numbers in comments. 5 years ago
Christophe Favergeon 90c27e0f4a CMSIS-DSP: Added absmin and absmax
Scalar versions only.
f32, f16, q31, q15, q7.
5 years ago
Christophe Favergeon e9a8ba6255 CMSIS-DSP: Scalar version of Levinson Durbin algorithms.
f32, f16 and q31.
5 years ago
Christophe Favergeon 0556e5fb2a CMSIS-DSP: Added scalar version of clipping functions. 5 years ago
Christophe Favergeon 4357c9e947 CMSIS-DSP: Added scalar f32 quaternion functions.
Some correction for RFFT Fast f32 in Python wrapper
5 years ago
Christophe Favergeon a108d6763e CMSIS-DSP: Added new MVE implementation of FIR Q31 5 years ago
Christophe Favergeon 68b219bb1f CMSIS-DSP: New MVE implementation of the FIR F16 5 years ago
Christophe Favergeon 212e9cb805 CMSIS-DSP: Added Cholesky decomposition
LL^t and LDL^t variant.

Added foward and backward substitution to solve linear systems
with triangular matrix.
5 years ago
Christophe Favergeon 0bcb1384f2 CMSIS-DSP: More consistent use of the flag ARM_MATH_AUTOVECTORIZE 5 years ago
Christophe Favergeon 3752e622b8 CMSIS-DSP: Corrected issue in scalar arm_rfft_fast_f16 5 years ago
Christophe Favergeon 1b34e464ba CMSIS-DSP: Added new f16 tests 5 years ago
Christophe Favergeon 9d7dc65c3b CMSIS-DSP Correction to some f16 definitions 5 years ago
Christophe Favergeon 69d56b1a31 CMSIS-DSP: f16 versions of classical ML functions 5 years ago
Christophe Favergeon f51b3c3317 CMSIS-DSP: Added f16 versions of the distance functions 5 years ago
Christophe Favergeon 55c9be8af0 CMSIS-DSP: Added additional f16 statistics functions
and the required f16 fast math functions.
5 years ago
Christophe Favergeon 534c34f883 CMSIS-DSP: Added f16 support functions 5 years ago
Christophe Favergeon 51be1901ce CMSIS-DSP: Added f16 versions of statistics functions. 5 years ago
Christophe Favergeon 71218873eb CMSIS-DSP: Added f16 versions of linear and bilinear interpolations 5 years ago
Christophe Favergeon d2d691cc23 CMSIS-DSP: Added f16 matrix functions 5 years ago
Christophe Favergeon 7d79ffa51f CMSIS-DSP: Added arm_correlate_f16
Corrected PythonWrapper issues due to new f16 functions
5 years ago
Christophe Favergeon f0750e92c2 CMSIS-DSP: Added f16 version of biquads.
Corrected few doxygen issues.
5 years ago
Christophe Favergeon 7c55ae80f7 CMSIS-DSP: Added arm_fir_f16
Improved f16 comlex dot product
Correction to compile flags to FFT tables for MVE version.
5 years ago
Christophe Favergeon ebf9104c4e CMSIS-DSP: Added complex math f16 5 years ago
Christophe Favergeon 8b465544a1 CMSIS-DSP: Added arm_rfft_fast_f16 5 years ago
Christophe Favergeon 41f2015387 CMSIS-DSP: Re-organization of arm_math.h
arm_math.h splitted into several headers.
Interpolation functions moved from arm_math.h to a separate folder.
5 years ago