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0.1.7 float16
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rob tillaart
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@ -1,3 +1,18 @@
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platforms:
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rpipico:
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board: rp2040:rp2040:rpipico
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package: rp2040:rp2040
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gcc:
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features:
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defines:
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- ARDUINO_ARCH_RP2040
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warnings:
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flags:
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packages:
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rp2040:rp2040:
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url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
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compile:
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# Choosing to run compilation tests on 2 different Arduino platforms
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platforms:
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@ -8,4 +23,8 @@ compile:
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- m4
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- esp32
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# - esp8266
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# - mega2560
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# - mega2560
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- rpipico
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libraries:
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- "printHelpers"
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42
libraries/float16/CHANGELOG.md
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42
libraries/float16/CHANGELOG.md
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@ -0,0 +1,42 @@
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# Change Log Float16
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All notable changes to this project will be documented in this file.
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The format is based on [Keep a Changelog](http://keepachangelog.com/)
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and this project adheres to [Semantic Versioning](http://semver.org/).
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## [0.1.7] - 2022-11-07
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- add changelog.md
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- add rp2040 to build-CI
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- update readme.md
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- update keywords.txt
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## [0.1.6] - 2021-12-18
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- update library.json
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- update license
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- minor edits
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## [0.1.5] - 2021-12-02
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- add basic math
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- optimize compare operators
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## [0.1.4] - 2021-11-26
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- setup repo to get it working again.
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- still experimental.
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----
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## [0.1.03] - eons ago ??
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- ??
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## [0.1.02] - 2015-03-14
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- getting rounding right
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## [0.1.01] - 2015-03-12
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- make base conversion separate functions
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## [0.1.00] - 2015-03-10
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- initial version
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@ -1,19 +1,11 @@
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//
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// FILE: float16.cpp
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.5
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// VERSION: 0.1.7
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// PURPOSE: library for Float16s for Arduino
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// URL: http://en.wikipedia.org/wiki/Half-precision_floating-point_format
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//
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// HISTORY:
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// 0.1.00 2015-03-10 initial version
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// 0.1.01 2015-03-12 make base conversion separate functions
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// 0.1.02 2015-03-14 getting rounding right
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// 0.1.03
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// 0.1.4 2021-11-26 setup repo to get it working again.
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// still experimental.
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// 0.1.5 2021-12-02 add basic math, optimize compare operators
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// 0.1.6 2021-12-18 update library.json, license, minor edits
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// HISTORY: see changelog.md
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#include "float16.h"
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@ -27,7 +19,6 @@ float16::float16(double f)
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_value = f32tof16(f);
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}
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// PRINTING
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size_t float16::printTo(Print& p) const
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{
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@ -35,7 +26,6 @@ size_t float16::printTo(Print& p) const
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return p.print(d, _decimals);
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};
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double float16::toDouble() const
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{
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return f16tof32(_value);
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@ -51,7 +41,6 @@ bool float16::operator == (const float16 &f)
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return (_value == f._value);
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}
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bool float16::operator != (const float16 &f)
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{
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return (_value != f._value);
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@ -111,46 +100,39 @@ float16 float16::operator + (const float16 &f)
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return float16(this->toDouble() + f.toDouble());
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}
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float16 float16::operator - (const float16 &f)
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{
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return float16(this->toDouble() - f.toDouble());
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}
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float16 float16::operator * (const float16 &f)
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{
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return float16(this->toDouble() * f.toDouble());
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}
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float16 float16::operator / (const float16 &f)
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{
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return float16(this->toDouble() / f.toDouble());
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}
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float16& float16::operator += (const float16 &f)
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{
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*this = this->toDouble() + f.toDouble();
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return *this;
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}
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float16& float16::operator -= (const float16 &f)
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{
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*this = this->toDouble() - f.toDouble();
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return *this;
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}
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float16& float16::operator *= (const float16 &f)
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{
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*this = this->toDouble() * f.toDouble();
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return *this;
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}
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float16& float16::operator /= (const float16 &f)
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{
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*this = this->toDouble() / f.toDouble();
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@ -170,7 +152,6 @@ int float16::sign()
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return 0;
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}
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bool float16::isZero()
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{
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return ((_value & 0x7FFF) == 0x0000);
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@ -231,7 +212,6 @@ float float16::f16tof32(uint16_t _value) const
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return sgn ? -f : f;
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}
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uint16_t float16::f32tof16(float f) const
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{
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uint32_t t = *(uint32_t *) &f;
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@ -2,7 +2,7 @@
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//
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// FILE: float16.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.6
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// VERSION: 0.1.7
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// PURPOSE: Arduino library to implement float16 data type.
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// half-precision floating point format,
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// used for efficient storage and transport.
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@ -12,7 +12,7 @@
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#include "Arduino.h"
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#define FLOAT16_LIB_VERSION (F("0.1.6"))
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#define FLOAT16_LIB_VERSION (F("0.1.7"))
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class float16: public Printable
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@ -6,7 +6,14 @@ float16 KEYWORD1
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# Methods and Functions (KEYWORD2)
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toDouble KEYWORD2
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getBinary KEYWORD2
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setBinary KEYWORD2
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setDecimals KEYWORD2
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getDecimals KEYWORD2
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# Constants (LITERAL1)
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FLOAT16_LIB_VERSION LITERAL1
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"type": "git",
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"url": "https://github.com/RobTillaart/float16.git"
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},
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"version": "0.1.6",
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"version": "0.1.7",
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"license": "MIT",
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"frameworks": "arduino",
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"platforms": "*",
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@ -1,5 +1,5 @@
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name=float16
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version=0.1.6
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version=0.1.7
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author=Rob Tillaart <rob.tillaart@gmail.com>
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maintainer=Rob Tillaart <rob.tillaart@gmail.com>
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sentence=Arduino library to implement float16 data type.
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@ -88,8 +88,6 @@ unittest(test_constructor)
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unittest(test_compare_equal)
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{
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fprintf(stderr, "FLOAT16_LIB_VERSION: %s\n", (char*) FLOAT16_LIB_VERSION);
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float16 a(1);
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float16 b(1);
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float16 c(2);
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@ -110,8 +108,6 @@ unittest(test_compare_equal)
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unittest(test_compare_1nequal)
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{
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fprintf(stderr, "FLOAT16_LIB_VERSION: %s\n", (char*) FLOAT16_LIB_VERSION);
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float16 a(1);
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float16 b(1);
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float16 c(2);
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@ -138,8 +134,6 @@ unittest(test_compare_1nequal)
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unittest(test_negation)
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{
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fprintf(stderr, "FLOAT16_LIB_VERSION: %s\n", (char*) FLOAT16_LIB_VERSION);
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float16 f16(123.456);
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float16 f17(-f16);
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float16 f18 = -f16;
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@ -151,8 +145,6 @@ unittest(test_negation)
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unittest(test_conversion)
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{
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fprintf(stderr, "FLOAT16_LIB_VERSION: %s\n", (char*) FLOAT16_LIB_VERSION);
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for (int i = 0; i < 20; i++)
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{
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float f = random(60000000) * 0.001;
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@ -164,8 +156,6 @@ unittest(test_conversion)
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unittest(test_printable)
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{
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fprintf(stderr, "FLOAT16_LIB_VERSION: %s\n", (char*) FLOAT16_LIB_VERSION);
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float16 f16(123.456);
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// test default value.
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assertEqual(4, f16.getDecimals());
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