Update links to lib_xcore_math documentation

Author: xalbertoisorna

doc/rst/src/custom_filters.rst

@@ -184,7 +184,7 @@ to convert floating-point coefficients to the required format.
 
 If a second stage is included, it must meet these requirements:
 
-- Implementation: Must be compatible with the 32-bit FIR filter from `lib_xcore_math <https://github.com/xmos/lib_xcore_math>`_,
+- Implementation: Must be compatible with the 32-bit FIR filter from `lib_xcore_math <www.xmos.com/libraries/lib_xcore_math>`_,
   specifically :c:func:`xs3_filter_fir_s32()` as described in :ref:`stage_2_filter_impl`
 - Tap count: Configurable (no fixed constraint)
 - Decimation factor: Configurable integer value
@@ -193,7 +193,7 @@ Use the Python helper script ``python/stage2.py`` to convert floating-point coef
 
 **Stage 3 (optional)**
 
-A third stage, if included, must also be compatible with the 32-bit FIR filter from `lib_xcore_math <https://github.com/xmos/lib_xcore_math>`_.
+A third stage, if included, must also be compatible with the 32-bit FIR filter from `lib_xcore_math <www.xmos.com/libraries/lib_xcore_math>`_.
 It has the same flexibility as stage 2:
 
 - Tap count: Configurable

doc/rst/src/decimator_stages.rst

@@ -10,7 +10,7 @@ to convert a high sample rate stream of (1-bit) PDM samples into a lower sample
 rate stream of (32-bit) PCM samples.
 
 The default and most widely used configuration is a two-stage decimation
-pipeline, and that two-stage case is the focus of this page. This is shown in
+pipeline, and that two-stage case is the focus of this section. This is shown in
 :ref:`decimator_stages_simplified`.
 
 .. _decimator_stages_simplified:
@@ -262,7 +262,7 @@ sample rate (the sample rate received by the main application code) is
     3.072 MHz / (32*6) = 16 kHz
 
 The second stage filter uses the 32-bit FIR filter implementation from
-`lib_xcore_math <https://github.com/xmos/lib_xcore_math>`_. See
+`lib_xcore_math <www.xmos.com/libraries/lib_xcore_math>`_. See
 ``xs3_filter_fir_s32()`` in that library for more implementation details.
 
 The filter state (delay line) consists of as many 32-bit samples as there are taps in the stage-2 filter,
@@ -272,6 +272,6 @@ and requires that many 32-bit words for storage.
 
   If providing stage-2 custom coefficients, they must remain compatible with the underlying
   32-bit FIR implementation from
-  `lib_xcore_math <https://github.com/xmos/lib_xcore_math>`_
+  `lib_xcore_math <www.xmos.com/libraries/lib_xcore_math>`_
   (for example, tap/shift/state configuration must match the ``xs3_filter_fir_s32()`` function requirements).
   For details on supplying custom coefficients via configuration structures, see :ref:`custom_filters`.

examples/app_par_decimator/src/app_decimator.hpp

@@ -127,7 +127,7 @@ class MyTwoStageDecimator
      *
      * `s2_filter_shr` is the final right-shift applied to the stage 2 filter's
      * accumulator prior to output. See
-     * <a href="https://github.com/xmos/lib_xcore_math">lib_xcore_math's</a>
+     * <a href="www.xmos.com/libraries/lib_xcore_math">lib_xcore_math's</a>
      * documentation of `filter_fir_s32_t` for more details.
      *
      * @param s1_filter_coef  @parblock