Upgrade ulab

This version
 * moves source files to reflect module structure
 * adds inline documentation suitable for extract_pyi
 * incompatibly moves spectrogram to fft
 * incompatibly removes "extras"

There are some remaining markup errors in the specific revision of
extmod/ulab but they do not prevent the doc building process from
completing.

1 files changed, 69 insertions, 57 deletions

diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
index 153f0edad..10907842c 100644
--- a/locale/circuitpython.pot
+++ b/locale/circuitpython.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-07-24 19:58-0700\n"
+"POT-Creation-Date: 2020-07-28 16:57-0500\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -770,7 +770,7 @@ msgstr ""
 msgid "Extended advertisements with scan response not supported."
 msgstr ""
 
-#: extmod/ulab/code/fft.c
+#: extmod/ulab/code/fft/fft.c
 msgid "FFT is defined for ndarrays only"
 msgstr ""
 
@@ -1786,7 +1786,7 @@ msgstr ""
 msgid "addresses is empty"
 msgstr ""
 
-#: extmod/ulab/code/vectorise.c
+#: extmod/ulab/code/vector/vectorise.c
 msgid "arctan2 is implemented for scalars and ndarrays only"
 msgstr ""
 
@@ -1794,7 +1794,7 @@ msgstr ""
 msgid "arg is an empty sequence"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "argsort argument must be an ndarray"
 msgstr ""
 
@@ -1802,6 +1802,10 @@ msgstr ""
 msgid "argument has wrong type"
 msgstr ""
 
+#: extmod/ulab/code/linalg/linalg.c
+msgid "argument must be ndarray"
+msgstr ""
+
 #: py/argcheck.c shared-bindings/_stage/__init__.c
 #: shared-bindings/digitalio/DigitalInOut.c shared-bindings/gamepad/GamePad.c
 msgid "argument num/types mismatch"
@@ -1811,7 +1815,7 @@ msgstr ""
 msgid "argument should be a '%q' not a '%q'"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c
+#: extmod/ulab/code/linalg/linalg.c
 msgid "arguments must be ndarrays"
 msgstr ""
 
@@ -1819,7 +1823,7 @@ msgstr ""
 msgid "array/bytes required on right side"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "attempt to get argmin/argmax of an empty sequence"
 msgstr ""
 
@@ -1827,15 +1831,15 @@ msgstr ""
 msgid "attributes not supported yet"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "axis must be -1, 0, None, or 1"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "axis must be -1, 0, or 1"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "axis must be None, 0, or 1"
 msgstr ""
 
@@ -2141,15 +2145,15 @@ msgstr ""
 msgid "conversion to object"
 msgstr ""
 
-#: extmod/ulab/code/filter.c
+#: extmod/ulab/code/filter/filter.c
 msgid "convolve arguments must be linear arrays"
 msgstr ""
 
-#: extmod/ulab/code/filter.c
+#: extmod/ulab/code/filter/filter.c
 msgid "convolve arguments must be ndarrays"
 msgstr ""
 
-#: extmod/ulab/code/filter.c
+#: extmod/ulab/code/filter/filter.c
 msgid "convolve arguments must not be empty"
 msgstr ""
 
@@ -2157,7 +2161,7 @@ msgstr ""
 msgid "could not broadast input array from shape"
 msgstr ""
 
-#: extmod/ulab/code/poly.c
+#: extmod/ulab/code/poly/poly.c
 msgid "could not invert Vandermonde matrix"
 msgstr ""
 
@@ -2165,15 +2169,15 @@ msgstr ""
 msgid "couldn't determine SD card version"
 msgstr ""
 
-#: extmod/ulab/code/approx.c
+#: extmod/ulab/code/approx/approx.c
 msgid "data must be iterable"
 msgstr ""
 
-#: extmod/ulab/code/approx.c
+#: extmod/ulab/code/approx/approx.c
 msgid "data must be of equal length"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "ddof must be smaller than length of data set"
 msgstr ""
 
@@ -2202,7 +2206,7 @@ msgstr ""
 msgid "dict update sequence has wrong length"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "diff argument must be an ndarray"
 msgstr ""
 
@@ -2305,11 +2309,11 @@ msgstr ""
 msgid "filesystem must provide mount method"
 msgstr ""
 
-#: extmod/ulab/code/vectorise.c
+#: extmod/ulab/code/vector/vectorise.c
 msgid "first argument must be a callable"
 msgstr ""
 
-#: extmod/ulab/code/approx.c
+#: extmod/ulab/code/approx/approx.c
 msgid "first argument must be a function"
 msgstr ""
 
@@ -2317,7 +2321,7 @@ msgstr ""
 msgid "first argument must be an iterable"
 msgstr ""
 
-#: extmod/ulab/code/vectorise.c
+#: extmod/ulab/code/vector/vectorise.c
 msgid "first argument must be an ndarray"
 msgstr ""
 
@@ -2329,7 +2333,7 @@ msgstr ""
 msgid "flattening order must be either 'C', or 'F'"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "flip argument must be an ndarray"
 msgstr ""
 
@@ -2362,11 +2366,11 @@ msgstr ""
 msgid "function got multiple values for argument '%q'"
 msgstr ""
 
-#: extmod/ulab/code/approx.c
+#: extmod/ulab/code/approx/approx.c
 msgid "function has the same sign at the ends of interval"
 msgstr ""
 
-#: extmod/ulab/code/compare.c
+#: extmod/ulab/code/compare/compare.c
 msgid "function is implemented for scalars and ndarrays only"
 msgstr ""
 
@@ -2452,7 +2456,7 @@ msgstr ""
 msgid "indices must be integers, slices, or Boolean lists"
 msgstr ""
 
-#: extmod/ulab/code/approx.c
+#: extmod/ulab/code/approx/approx.c
 msgid "initial values must be iterable"
 msgstr ""
 
@@ -2460,35 +2464,35 @@ msgstr ""
 msgid "inline assembler must be a function"
 msgstr ""
 
-#: extmod/ulab/code/create.c
+#: extmod/ulab/code/ulab_create.c
 msgid "input argument must be an integer or a 2-tuple"
 msgstr ""
 
-#: extmod/ulab/code/fft.c
+#: extmod/ulab/code/fft/fft.c
 msgid "input array length must be power of 2"
 msgstr ""
 
-#: extmod/ulab/code/poly.c
+#: extmod/ulab/code/poly/poly.c
 msgid "input data must be an iterable"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c
+#: extmod/ulab/code/linalg/linalg.c
 msgid "input matrix is asymmetric"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c
+#: extmod/ulab/code/linalg/linalg.c
 msgid "input matrix is singular"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c
+#: extmod/ulab/code/linalg/linalg.c
 msgid "input must be square matrix"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "input must be tuple, list, range, or ndarray"
 msgstr ""
 
-#: extmod/ulab/code/poly.c
+#: extmod/ulab/code/poly/poly.c
 msgid "input vectors must be of equal length"
 msgstr ""
 
@@ -2500,7 +2504,7 @@ msgstr ""
 msgid "integer required"
 msgstr ""
 
-#: extmod/ulab/code/approx.c
+#: extmod/ulab/code/approx/approx.c
 msgid "interp is defined for 1D arrays of equal length"
 msgstr ""
 
@@ -2570,7 +2574,7 @@ msgstr ""
 msgid "iterables are not of the same length"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c
+#: extmod/ulab/code/linalg/linalg.c
 msgid "iterations did not converge"
 msgstr ""
 
@@ -2634,11 +2638,11 @@ msgstr ""
 msgid "math domain error"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c
+#: extmod/ulab/code/linalg/linalg.c
 msgid "matrix dimensions do not match"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c
+#: extmod/ulab/code/linalg/linalg.c
 msgid "matrix is not positive definite"
 msgstr ""
 
@@ -2665,7 +2669,7 @@ msgstr ""
 msgid "module not found"
 msgstr ""
 
-#: extmod/ulab/code/poly.c
+#: extmod/ulab/code/poly/poly.c
 msgid "more degrees of freedom than data points"
 msgstr ""
 
@@ -2689,7 +2693,7 @@ msgstr ""
 msgid "must use keyword argument for key function"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "n must be between 0, and 9"
 msgstr ""
 
@@ -2787,11 +2791,11 @@ msgstr ""
 msgid "not enough arguments for format string"
 msgstr ""
 
-#: extmod/ulab/code/poly.c
+#: extmod/ulab/code/poly/poly.c
 msgid "number of arguments must be 2, or 3"
 msgstr ""
 
-#: extmod/ulab/code/create.c
+#: extmod/ulab/code/ulab_create.c
 msgid "number of points must be at least 2"
 msgstr ""
 
@@ -2862,12 +2866,12 @@ msgstr ""
 msgid "only slices with step=1 (aka None) are supported"
 msgstr ""
 
-#: extmod/ulab/code/compare.c extmod/ulab/code/ndarray.c
-#: extmod/ulab/code/vectorise.c
+#: extmod/ulab/code/compare/compare.c extmod/ulab/code/ndarray.c
+#: extmod/ulab/code/vector/vectorise.c
 msgid "operands could not be broadcast together"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "operation is not implemented on ndarrays"
 msgstr ""
 
@@ -2959,7 +2963,7 @@ msgstr ""
 msgid "raw f-strings are not implemented"
 msgstr ""
 
-#: extmod/ulab/code/fft.c
+#: extmod/ulab/code/fft/fft.c
 msgid "real and imaginary parts must be of equal length"
 msgstr ""
 
@@ -3032,7 +3036,7 @@ msgstr ""
 msgid "single '}' encountered in format string"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c
+#: extmod/ulab/code/linalg/linalg.c
 msgid "size is defined for ndarrays only"
 msgstr ""
 
@@ -3056,19 +3060,19 @@ msgstr ""
 msgid "soft reboot\n"
 msgstr ""
 
-#: extmod/ulab/code/numerical.c
+#: extmod/ulab/code/numerical/numerical.c
 msgid "sort argument must be an ndarray"
 msgstr ""
 
-#: extmod/ulab/code/filter.c
+#: extmod/ulab/code/filter/filter.c
 msgid "sos array must be of shape (n_section, 6)"
 msgstr ""
 
-#: extmod/ulab/code/filter.c
+#: extmod/ulab/code/filter/filter.c
 msgid "sos[:, 3] should be all ones"
 msgstr ""
 
-#: extmod/ulab/code/filter.c
+#: extmod/ulab/code/filter/filter.c
 msgid "sosfilt requires iterable arguments"
 msgstr ""
 
@@ -3182,7 +3186,11 @@ msgstr ""
 msgid "too many values to unpack (expected %d)"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c py/objstr.c
+#: extmod/ulab/code/approx/approx.c
+msgid "trapz is defined for 1D arrays of equal length"
+msgstr ""
+
+#: extmod/ulab/code/linalg/linalg.c py/objstr.c
 msgid "tuple index out of range"
 msgstr ""
 
@@ -3310,6 +3318,10 @@ msgstr ""
 msgid "value_count must be > 0"
 msgstr ""
 
+#: extmod/ulab/code/linalg/linalg.c
+msgid "vectors must have same lengths"
+msgstr ""
+
 #: shared-bindings/watchdog/WatchDogTimer.c
 msgid "watchdog timeout must be greater than 0"
 msgstr ""
@@ -3318,7 +3330,7 @@ msgstr ""
 msgid "window must be <= interval"
 msgstr ""
 
-#: extmod/ulab/code/linalg.c
+#: extmod/ulab/code/linalg/linalg.c
 msgid "wrong argument type"
 msgstr ""
 
@@ -3326,11 +3338,11 @@ msgstr ""
 msgid "wrong index type"
 msgstr ""
 
-#: extmod/ulab/code/vectorise.c
+#: extmod/ulab/code/vector/vectorise.c
 msgid "wrong input type"
 msgstr ""
 
-#: py/objstr.c
+#: extmod/ulab/code/ulab_create.c py/objstr.c
 msgid "wrong number of arguments"
 msgstr ""
 
@@ -3342,7 +3354,7 @@ msgstr ""
 msgid "wrong operand type"
 msgstr ""
 
-#: extmod/ulab/code/vectorise.c
+#: extmod/ulab/code/vector/vectorise.c
 msgid "wrong output type"
 msgstr ""
 
@@ -3362,14 +3374,14 @@ msgstr ""
 msgid "zero step"
 msgstr ""
 
-#: extmod/ulab/code/filter.c
+#: extmod/ulab/code/filter/filter.c
 msgid "zi must be an ndarray"
 msgstr ""
 
-#: extmod/ulab/code/filter.c
+#: extmod/ulab/code/filter/filter.c
 msgid "zi must be of float type"
 msgstr ""
 
-#: extmod/ulab/code/filter.c
+#: extmod/ulab/code/filter/filter.c
 msgid "zi must be of shape (n_section, 2)"
 msgstr ""