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Diffstat (limited to 'node_modules/ieee754')
-rw-r--r-- | node_modules/ieee754/LICENSE | 28 | ||||
-rw-r--r-- | node_modules/ieee754/README.md | 51 | ||||
-rw-r--r-- | node_modules/ieee754/index.js | 84 | ||||
-rw-r--r-- | node_modules/ieee754/package.json | 37 |
4 files changed, 0 insertions, 200 deletions
diff --git a/node_modules/ieee754/LICENSE b/node_modules/ieee754/LICENSE deleted file mode 100644 index f37a2ebe2..000000000 --- a/node_modules/ieee754/LICENSE +++ /dev/null @@ -1,28 +0,0 @@ -Copyright (c) 2008, Fair Oaks Labs, Inc. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - - * Neither the name of Fair Oaks Labs, Inc. nor the names of its contributors - may be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. diff --git a/node_modules/ieee754/README.md b/node_modules/ieee754/README.md deleted file mode 100644 index cb7527b3c..000000000 --- a/node_modules/ieee754/README.md +++ /dev/null @@ -1,51 +0,0 @@ -# ieee754 [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url] - -[travis-image]: https://img.shields.io/travis/feross/ieee754/master.svg -[travis-url]: https://travis-ci.org/feross/ieee754 -[npm-image]: https://img.shields.io/npm/v/ieee754.svg -[npm-url]: https://npmjs.org/package/ieee754 -[downloads-image]: https://img.shields.io/npm/dm/ieee754.svg -[downloads-url]: https://npmjs.org/package/ieee754 -[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg -[standard-url]: https://standardjs.com - -[![saucelabs][saucelabs-image]][saucelabs-url] - -[saucelabs-image]: https://saucelabs.com/browser-matrix/ieee754.svg -[saucelabs-url]: https://saucelabs.com/u/ieee754 - -### Read/write IEEE754 floating point numbers from/to a Buffer or array-like object. - -## install - -``` -npm install ieee754 -``` - -## methods - -`var ieee754 = require('ieee754')` - -The `ieee754` object has the following functions: - -``` -ieee754.read = function (buffer, offset, isLE, mLen, nBytes) -ieee754.write = function (buffer, value, offset, isLE, mLen, nBytes) -``` - -The arguments mean the following: - -- buffer = the buffer -- offset = offset into the buffer -- value = value to set (only for `write`) -- isLe = is little endian? -- mLen = mantissa length -- nBytes = number of bytes - -## what is ieee754? - -The IEEE Standard for Floating-Point Arithmetic (IEEE 754) is a technical standard for floating-point computation. [Read more](http://en.wikipedia.org/wiki/IEEE_floating_point). - -## license - -BSD 3 Clause. Copyright (c) 2008, Fair Oaks Labs, Inc. diff --git a/node_modules/ieee754/index.js b/node_modules/ieee754/index.js deleted file mode 100644 index e87e6ff58..000000000 --- a/node_modules/ieee754/index.js +++ /dev/null @@ -1,84 +0,0 @@ -exports.read = function (buffer, offset, isLE, mLen, nBytes) { - var e, m - var eLen = (nBytes * 8) - mLen - 1 - var eMax = (1 << eLen) - 1 - var eBias = eMax >> 1 - var nBits = -7 - var i = isLE ? (nBytes - 1) : 0 - var d = isLE ? -1 : 1 - var s = buffer[offset + i] - - i += d - - e = s & ((1 << (-nBits)) - 1) - s >>= (-nBits) - nBits += eLen - for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} - - m = e & ((1 << (-nBits)) - 1) - e >>= (-nBits) - nBits += mLen - for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} - - if (e === 0) { - e = 1 - eBias - } else if (e === eMax) { - return m ? NaN : ((s ? -1 : 1) * Infinity) - } else { - m = m + Math.pow(2, mLen) - e = e - eBias - } - return (s ? -1 : 1) * m * Math.pow(2, e - mLen) -} - -exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { - var e, m, c - var eLen = (nBytes * 8) - mLen - 1 - var eMax = (1 << eLen) - 1 - var eBias = eMax >> 1 - var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) - var i = isLE ? 0 : (nBytes - 1) - var d = isLE ? 1 : -1 - var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 - - value = Math.abs(value) - - if (isNaN(value) || value === Infinity) { - m = isNaN(value) ? 1 : 0 - e = eMax - } else { - e = Math.floor(Math.log(value) / Math.LN2) - if (value * (c = Math.pow(2, -e)) < 1) { - e-- - c *= 2 - } - if (e + eBias >= 1) { - value += rt / c - } else { - value += rt * Math.pow(2, 1 - eBias) - } - if (value * c >= 2) { - e++ - c /= 2 - } - - if (e + eBias >= eMax) { - m = 0 - e = eMax - } else if (e + eBias >= 1) { - m = ((value * c) - 1) * Math.pow(2, mLen) - e = e + eBias - } else { - m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) - e = 0 - } - } - - for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} - - e = (e << mLen) | m - eLen += mLen - for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} - - buffer[offset + i - d] |= s * 128 -} diff --git a/node_modules/ieee754/package.json b/node_modules/ieee754/package.json deleted file mode 100644 index 2393eb8e7..000000000 --- a/node_modules/ieee754/package.json +++ /dev/null @@ -1,37 +0,0 @@ -{ - "name": "ieee754", - "description": "Read/write IEEE754 floating point numbers from/to a Buffer or array-like object", - "version": "1.1.12", - "author": { - "name": "Feross Aboukhadijeh", - "email": "feross@feross.org", - "url": "http://feross.org" - }, - "contributors": [ - "Romain Beauxis <toots@rastageeks.org>" - ], - "devDependencies": { - "airtap": "0.0.7", - "standard": "*", - "tape": "^4.0.0" - }, - "keywords": [ - "IEEE 754", - "buffer", - "convert", - "floating point", - "ieee754" - ], - "license": "BSD-3-Clause", - "main": "index.js", - "repository": { - "type": "git", - "url": "git://github.com/feross/ieee754.git" - }, - "scripts": { - "test": "standard && npm run test-node && npm run test-browser", - "test-browser": "airtap -- test/*.js", - "test-browser-local": "airtap --local -- test/*.js", - "test-node": "tape test/*.js" - } -} |