head 1.2; access; symbols micropython-1-5-2-base:1.1.1.1 MICROPYTHON:1.1.1; locks; strict; comment @# @; 1.2 date 2026.10.15.05.28.08; author agc; state dead; branches; next 1.1; commitid aHLdC1EGCUYk7xZG; 1.1 date 2016.01.14.01.38.49; author agc; state Exp; branches 1.1.1.1; next ; commitid Q8liT0v6zMF95QQy; 1.1.1.1 date 2016.01.14.01.38.49; author agc; state Exp; branches; next ; commitid Q8liT0v6zMF95QQy; desc @@ 1.2 log @Remove waaaay old micropython sources which haven't been relevant for 10 years @ text @:mod:`math` -- mathematical functions ===================================== .. module:: math :synopsis: mathematical functions The ``math`` module provides some basic mathematical funtions for working with floating-point numbers. *Note:* On the pyboard, floating-point numbers have 32-bit precision. Functions --------- .. function:: acos(x) Return the inverse cosine of ``x``. .. function:: acosh(x) Return the inverse hyperbolic cosine of ``x``. .. function:: asin(x) Return the inverse sine of ``x``. .. function:: asinh(x) Return the inverse hyperbolic sine of ``x``. .. function:: atan(x) Return the inverse tangent of ``x``. .. function:: atan2(y, x) Return the principal value of the inverse tangent of ``y/x``. .. function:: atanh(x) Return the inverse hyperbolic tangent of ``x``. .. function:: ceil(x) Return an integer, being ``x`` rounded towards positive infinity. .. function:: copysign(x, y) Return ``x`` with the sign of ``y``. .. function:: cos(x) Return the cosine of ``x``. .. function:: cosh(x) Return the hyperbolic cosine of ``x``. .. function:: degrees(x) Return radians ``x`` converted to degrees. .. function:: erf(x) Return the error function of ``x``. .. function:: erfc(x) Return the complementary error function of ``x``. .. function:: exp(x) Return the exponential of ``x``. .. function:: expm1(x) Return ``exp(x) - 1``. .. function:: fabs(x) Return the absolute value of ``x``. .. function:: floor(x) Return an integer, being ``x`` rounded towards negative infinity. .. function:: fmod(x, y) Return the remainder of ``x/y``. .. function:: frexp(x) Decomposes a floating-point number into its mantissa and exponent. The returned value is the tuple ``(m, e)`` such that ``x == m * 2**e`` exactly. If ``x == 0`` then the function returns ``(0.0, 0)``, otherwise the relation ``0.5 <= abs(m) < 1`` holds. .. function:: gamma(x) Return the gamma function of ``x``. .. function:: isfinite(x) Return ``True`` if ``x`` is finite. .. function:: isinf(x) Return ``True`` if ``x`` is infinite. .. function:: isnan(x) Return ``True`` if ``x`` is not-a-number .. function:: ldexp(x, exp) Return ``x * (2**exp)``. .. function:: lgamma(x) Return the natural logarithm of the gamma function of ``x``. .. function:: log(x) Return the natural logarithm of ``x``. .. function:: log10(x) Return the base-10 logarithm of ``x``. .. function:: log2(x) Return the base-2 logarithm of ``x``. .. function:: modf(x) Return a tuple of two floats, being the fractional and integral parts of ``x``. Both return values have the same sign as ``x``. .. function:: pow(x, y) Returns ``x`` to the power of ``y``. .. function:: radians(x) Return degrees ``x`` converted to radians. .. function:: sin(x) Return the sine of ``x``. .. function:: sinh(x) Return the hyperbolic sine of ``x``. .. function:: sqrt(x) Return the square root of ``x``. .. function:: tan(x) Return the tangent of ``x``. .. function:: tanh(x) Return the hyperbolic tangent of ``x``. .. function:: trunc(x) Return an integer, being ``x`` rounded towards 0. Constants --------- .. data:: e base of the natural logarithm .. data:: pi the ratio of a circle's circumference to its diameter @ 1.1 log @Initial revision @ text @@ 1.1.1.1 log @Import micropython version 1.5.2 into othersrc. Micropython is a python3 implementation that has been optimised for micro-controllers and small embedded systems. It also has a "unix" port. It has an MIT license. This is version 1.5.2 of micropython. MicroPython implements the entire Python 3.4 syntax (including exceptions, "with", "yield from", etc.). The following core datatypes are provided: str (including basic Unicode support), bytes, bytearray, tuple, list, dict, set, frozenset, array.array, collections.namedtuple, classes and instances. Builtin modules include sys, time, and struct. Note that only subset of Python 3.4 functionality implemented for the data types and modules. This is the standard micropython source (version v1.5.2), which has been adapted to use reachover infrastructure. At the present time, libffi (from pkgsrc) is used. Alternative locations for libffi can be set using the PKGSRC_PREFIX definition to make. In the whole scheme of things, micropython is quite small: % size bin/micropython text data bss dec hex filename 393495 1624 2208 397327 6100f bin/micropython % and runs much as expected: % bin/micropython MicroPython v1.5.2 on 2016-01-13; linux version Use Ctrl-D to exit, Ctrl-E for paste mode >>> print("hello world") hello world >>> list(5 * x + y for x in range(10) for y in [4, 2, 1]) [4, 2, 1, 9, 7, 6, 14, 12, 11, 19, 17, 16, 24, 22, 21, 29, 27, 26, 34, 32, 31, 39, 37, 36, 44, 42, 41, 49, 47, 46] >>> % python2.7 Python 2.7.10 (default, Oct 17 2015, 17:55:29) [GCC 4.8.5] on netbsd7 Type "help", "copyright", "credits" or "license" for more information. >>> print("hello world") hello world >>> list(5 * x + y for x in range(10) for y in [4, 2, 1]) [4, 2, 1, 9, 7, 6, 14, 12, 11, 19, 17, 16, 24, 22, 21, 29, 27, 26, 34, 32, 31, 39, 37, 36, 44, 42, 41, 49, 47, 46] >>> ^D % This (reachover) version runs all the tests which the gmake version does. % make t cd bin && make t cd /home/agc/local/micropython/bin/../dist/unix/../tests && env MICROPY_MICROPYTHON=/home/agc/local/micropython/bin/micropython ./run-tests pass basics/0prelim.py pass basics/andor.py pass basics/array1.py pass basics/array_add.py pass basics/array_construct.py pass basics/array_construct2.py ... pass unix/ffi_callback.py pass unix/ffi_float.py pass unix/ffi_float2.py 474 tests performed (15812 individual testcases) 474 tests passed 5 tests skipped: cmd_showbc cmd_verbose machine1 machine_mem extra_coverage % The sources are available from github: https://github.com/micropython/micropython micropython release at: https://github.com/micropython/micropython/releases Sources for 1.5.2 taken from: https://github.com/micropython/micropython/archive/v1.5.2.tar.gz Alistair Crooks agc@@netbsd.org Wed Jan 13 17:15:30 PST 2016 @ text @@