convert double to long c++

If, by some crazy coincidence, you want to convert a string of characters to an integer, you can do that too!. I discovered that by building a small number of simple tools, I could combine them together in different ways to automate nearly all my regular tasks. We generally use Base-10 in everyday life, which means that we have 10 digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) available. Click the button to open the tool. CMYK and HSL involve decimal places and percentages and therefore could create small differences in their conversions. If the double value is too small or too large to fit into the float type, the result is zero or infinity. Instead, Excel measures all the numbers where 0 is the lowest and 255 is the biggest. With the implicit auto-boxing, a Double object is created with Double d=12345.34 This means that from two digits we can create 256 shades (16 x 16 = 256), which is the same as RGB. User Defined Functions for color conversion, http://www.niwa.nu/2013/05/math-behind-colorspace-conversions-rgb-hsl/, https://www.easycalculation.com/colorconverter/cmyk-rgb-color-convertor.php, https://stackoverflow.com/questions/10690125/coloring-cells-in-excel-with-cmyk-cell-values, https://www.calculatorology.com/hsv-to-rgb-conversion/, https://www.codespeedy.com/hsv-to-rgb-in-cpp/, Calling and using the color picker with VBA, Dynamic arrays and VBA user defined functions (UDFs), How to automate Goal Seek in Excel with VBA Macro (2 ways), How to calculate Power Query Percent of total or category, How to change images based on cell values (3 ways), How to calculate CAGR in Excel (5 easy ways), Power Query date format (How to + 5 tricky scenarios), How to remove spaces in Excel (7 simple ways), How to add a drop-down list in Excel (3 easy ways), How to get data into Power Query 5 common data sources, How to display fractions in Excel (the easy way), Excel Table absolute reference for cells, columns, and rows, Useful VBA codes for Excel (30 example macros + Free ebook), How to use Excel Table within a data validation list (3 ways). For 16 bit numbers: unsigned short _byteswap_ushort(unsigned short value); For 32 bit numbers: unsigned long _byteswap_ulong(unsigned long value); The R, G and B values, then the letter H, S, or L, depending on the value to be returned by the function. Janes | The latest defence and security news from Janes - the trusted source for defence intelligence The color code in the screenshot above is: &H00467321&. Hex color codes are similar to RGB as they also use 256 shades for each individual color. It is similar to HSL, but it uses Hue, Saturation, and Value as measures. Anaerobic digestion is a sequence of processes by which microorganisms break down biodegradable material in the absence of oxygen. Apparently atoi() is fine, and what I said about it earlier only applies to me (on OS X (maybe (insert Lisp joke here))). As this is not a static method, we cannot call this using its class name like Double.longValue(). The calculation for converting to HSV from RGB based on the calculation from here: https://www.calculatorology.com/hsv-to-rgb-conversion/. Market indices are shown in real time, except for the DJIA, which is delayed by two minutes. the letter R, G, or B, depending on which color we want to return. The relationship between RGB and long is based on a simple calculation: Long = Blue x 256 x 256 + Green x 256 + Red. The function requires 4 arguments. Using the #467321 hex code as an example, the conversion to RGB would be: The hex codes are used within the VBA properties to define color. Generally, a download manager enables downloading of large files or multiples files in one session. Find the best deals on a full range of Used Nissan Titan from trusted dealers on Canada's largest auto marketplace: Kijiji Autos Looking for Used Nissan Titans for sale? The function requires 5 arguments. To convert from RGB to the long color code, use the following UDF. Syntax: long Math.Round(Double doubleValue); Example: The following UDF provides the hex code based on the long color code. Download the example file: Click the link below to download the example file used for this post: Even in Excel, there are four different methods of defining color; RGB, hex, HSL and long. The following UDF provides the hex code based on the long color code. Claim your free eBook. Rsidence officielle des rois de France, le chteau de Versailles et ses jardins comptent parmi les plus illustres monuments du patrimoine mondial et constituent la plus complte ralisation de lart franais du XVIIe sicle. Saturation is a percentage of the amount of color included. The following macro displays the long code for the fill of the active cell. The base is 10, so the result is calculated as(1 x 10) + 4, which equals 14. Hex codes are presented in same order to RGB, so if the hex color code is #467321 the first two characters represent red, the middle two characters represent green and the last two are blue. char array or, double or, float or, int or, long or an object as a parameter and returns its String representation. The UDF below will return the degree of Hue, % of Saturation, or % of Value based on the RGB color codes. I thought about writing one simple algorithm and benchmark it against such a converted solution. In 1985, the IEEE 754 Standard for Floating-Point Arithmetic was established, and since the 1990s, the most commonly encountered representations are those defined by the IEEE.. I hope this post provides you with all the color conversions that you need. So, I started searching for the secrets to automating Excel. Get our FREE VBA eBook of the 30 most useful Excel VBA macros. The function contains 3 arguments, values between 0 and 255 for each individual Red, Green, or Blue value. Thankfully, we can let Excel do the work for us. This UDF provides the long value based on the RGB color codes. all grey). The UDF below converts the hex code into the long color code. My parents tell me that at the age of 7 I declared I was going to become a qualified accountant. The R, G and B values, along with the letter C, M, Y or K, depending on the value to be returned. Rather than firing up Google and searching for color conversion tools online, I decided to write my own User Defined Functions in Excel, now I can calculate the result within a worksheet instead. The calculation for converting to HSV from RGB based on the calculation from here: https://www.codespeedy.com/hsv-to-rgb-in-cpp/. I have heard it is a macro that maps roughly to the next This is possible because hex uses Base-16. But, its a quirk we can handle. Lets update the method implemented above and now accept the long as the user input and print it. Pour tout conseil juridique, toute recherche ou toute interprtation de la loi, prire de consulter un avocat ou un parajuriste. Required fields are marked *. The add-in is included within the downloads at the top of the post. The UDF below will return the degree of Hue, % of Saturation, or % of Luminance based on the RGB color codes. To convert a Double object to Long object this method is suitable. The long code is a number from 0 to 16,777,215, where each separate number represents a color. Looking for a wide range of Used BMWs for sale? The following example illustrates how to use the ChangeType(Object, TypeCode) method to change an Object to the type specified by the TypeCode parameter, if possible.. using namespace System; void main() { Double d = -2.345; int i = (int) Convert::ChangeType(d, TypeCode::Int32); Console::WriteLine("The Double {0} when converted to an Int32 is {1}", d, i); The long value can then be converted to an int using typecasting. This meant I could work less hours (and I got pay raises!). You can convert a double value into a String by simply adding it to an empty String using the + operator. On success, atof() function returns the converted floating point number as a double value. Your email address will not be published. Most stock quote data provided by BATS. Over the years, a variety of floating-point representations have been used in computers. 0 is red, 120 is green, 240 is blue. When you convert double to float, the double value is rounded to the nearest float value. The following UDF provides the % value for Cyan, Magenta, Yellow, or Black based on the RGB color codes. Lucius Annaeus Seneca the Younger (/ s n k /; c. 4 BC 65 AD), usually known mononymously as Seneca, was a Stoic philosopher of Ancient Rome, a statesman, dramatist, and, in one work, satirist, from the post-Augustan age of Latin literature.. Seneca was born in Crdoba in Hispania, and raised in Rome, where he was trained in rhetoric and philosophy. Below are the UDFs to convert between the various methods. In-fact it is the easy way to convert a double value to a String. output is numbered list, all with 5 digits While Hue is the same under both systems, Saturation and Value both calculate as different values. is it possible to convert a Python program to C/C++? Single-precision floating-point format (sometimes called FP32 or float32) is a computer number format, usually occupying 32 bits in computer memory; it represents a wide dynamic range of numeric values by using a floating radix point.. A floating-point variable can represent a wider range of numbers than a fixed-point variable of the same bit width at the cost of precision. However, there is a very subtle difference when using the VBA code; the hex code needs to be reversed. Get the latest local Detroit and Michigan breaking news and analysis , sports and scores, photos, video and more from The Detroit News. Ask the 'Excel Ninja' in your office.It's amazing what things other people know. The Cyan, Magenta, Yellow and Black percentages, plus the letter R, G or B, depending on the value to be returned. The speed of floating-point operations, commonly measured in terms of FLOPS, is an important characteristic of a But, if you're still struggling you should: What next?Don't go yet, there is plenty more to learn on Excel Off The Grid. Check out the latest posts: Your email address will not be published. Do you need help adapting this post to your needs? Excel does not support HSV, but is included below because it is a common method. Keep reading to find out how you can download the add-in for free. Public Sub ConvertStringChar(ByVal stringVal As String) Dim charVal As Char = "a"c ' A string must be one character long to convert to char. Frustratingly, Excel does not handle HSL in the standard way. Sep 14, 2015 at 23:03. The function has only one argument, which is the long color code. Math.round() accepts a double value and converts it into the nearest long value by adding 0.5 to the value and trimming its decimal points. To use VBA functions, the code must be included in a standard VBA code module. Hit the Button is an interactive maths game with quick fire questions on number bonds, times tables, doubling and halving, multiples, division facts and square numbers. %ld for long %lf for double; 3.1 Print a long variable input by User. The functions in this post include the conversions for RGB, hex, HSL, HSV, CMYK and long formats. While Excel does not use CMYK, it is a common method, so I have included it within the scope of this post. Since the introduction of hex codes in the color picker, there is now native conversion between RGB, Hex and HSL color codes. char *num = "1024"; int val = atoi(num); // atoi = ASCII TO Int val is now 1024. The resulting ethylbenzene is dehydrogenated to styrene and then polymerized to manufacture polystyrene, a common 100% is full color, 0% is no color (i.e. If you want to convert between two methods that I have not covered above (for example, hex to HSL has not been included), convert from the source code to RGB, then from RGB to the target mode. When entering values into any of the boxes, the other boxes will automatically display the converted codes. Why one should not use function atof() to convert string to double? All times are ET. REMEMBER! I was either psychic or had no imagination, as that is exactly what happened. The same string of 120 characters (mixed lowercase and non-lowercase ASCII), converted in a loop 40M times (with no cross-file inlining, so the compiler can't optimize away or hoist any of it out of the loop). Luminance (or lightness) is a percentage of grey. The critical difference is that the hex system represents the numbers from 0 to 255 using just two characters. However, it wasn't until I was 35 that my journey really began. If no valid conversion could be performed, the function returns zero (0.0). start by creating a list that repeats 0's or X's, in this case, 100 long, i.e., arange(100) add the numbers you want to the string, in this case, numbers 0-99, i.e., 'i' keep only the right hand 5 digits, i.e., '[-5:]' for subsetting. The chemical process practiced on the largest scale is the reaction of benzene and ethene to give ethylbenzene: . The UDF below provides the Red, Green, or Blue value based on the hex color. The individual colors Red, Green and Blue each have 256 different shades, which when mixed can create 16,777,216 different color combinations. Input : String = "20" Output : 20 Input : String = "999999999999" Output : 999999999999 Method 1: Using Long.parseLong() method of Long Class Long.parseLong() method is a method in which all the characters in the String must be digits except the first character, which can be a digit or a minus -. Hue is the degree on the color wheel from 0 to 360. Use correct data type for the variable like long or double; Use proper format specifier i.e. We should invoke this with a Double object. I need to implement a couple of algorithms, and I'm not sure if the performance gap is big enough to justify all the pain I'd go through when doing it in C/C++ (which I'm not good at). Normally, blue would be #0000FF, but for the VBA property the code would be: &H00FF0000&. If you're using Visual C++ do the following: You include intrin.h and call the following functions:. Easily find the best deals on Used BMW from trusted dealers on Canada's largest autos marketplace: Kijiji Autos Welcome to The Nonlinear Library, where we use Text-to-Speech software to convert the best writing from the Rationalist and EA communities into audio. C 6 H 6 + C 2 H 4 C 6 H 5 CH 2 CH 3. Within the standard color dialog box there is another code format; using the color model drop-down we can change to HSL. The RGB (Red, Green and Blue) color code is used within the standard color dialog box. HelloGoodbye. Therefore, there are 16 possible individual digits. Hey, Im Mark, and I run Excel Off The Grid. Automate Excel so that you can save time and stop doing the jobs a trained monkey could do. Using these conversion functions, I have created an Excel add-in that will quickly switch between the different color codes. The following UDF calculates the hex value based on the RGB color codes. Using these color conversion functions, I created an add-in that makes the conversion even easier. Yes for it's ease of use and as long as you don't pay more than $30.PROS:- Small and lightweight, this reminds me of the later Sony cassette players that were barely larger than an audio tape (see my photo with a AA Battery next to it for size comparison)- Retro drugstore-cassette player appearance. Another common color code system is CMYK. This is not just HSL under a different name. For a long variable, we will use %ld as the format specifier. 0% is black, 100% is white. It is used primarily for printing, as it determines the amount of Cyan, Magenta, Yellow and blacK ink used in overlapping printed dots. The calculation for converting to HSL is based on the calculation from here: http://www.niwa.nu/2013/05/math-behind-colorspace-conversions-rgb-hsl/, The following UDF calculates the RGB values based on the degree of Hue, % of Saturation and % of Luminance, The function contains 4 arguments. The following UDF calculates the RGB values based on the degree of Hue, Saturation % and Value % of the HSV method. To install the add-in, follow the PDF instructions included in the download, or follow the instructions in this post. When I convert the double 8.0 it gives me the string "8.000000", while "8" would be perfectly fine. The long color code is used by VBA when displaying the color property of an item. We have this method in the class Double. If the converted value would be out of the range of representable values by a double, it causes undefined behavior. In the section above, Ive tried to explain how each method defines colors, but converting between them is a different matter entirely, and is much harder. Examples. To get the C, M, Y, or K percentages from RGB use the UDF below. The result calculates as 70 x 256 x 256 + 115 x 256 + 33 = 4,616,993, The calculation is (A x base) + B=(10 x 16) + 11=171, Red: Hexvalue of 46 calculates as (4 * 16) + 6 = 70, Green: Hex value of 73 calculates as (7 * 16) + 3 = 115, Blue: Hex value of 21 calculates as (2 * 16) + 1 = 33, FF0000 = the Hex color code with the RGB reversed, the letter R, G or B, to represent the color to be returned. The calculation for converting to CMYK is based on the calculation from here: https://www.easycalculation.com/colorconverter/cmyk-rgb-color-convertor.php. Therefore, hex also has the same 16,777,216 combinations as RGB and long. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 14-Day Free TrialIs the Automation Academy right for for you? In hex, the lowest value is zero and the highest value is F (which is equal to15). The first two characters represent blue, the middle two characters represent green and last two are blue. The process is used for industrial or domestic purposes to manage waste or to produce fuels. The calculation for converting fromCMYK is based on the calculation from here: https://stackoverflow.com/questions/10690125/coloring-cells-in-excel-with-cmyk-cell-values. HSL tries to define colors closer to the way humans think about colors. There is a way to convert Float value into Double without adding the extra precision. As an example, the hex number AB equals 171. In 2015, I started a new job, for which I was regularly working after 10pm. Hex (which is short for hexadecimal) color codes are found in two places in Excel. As a result, I rarely saw my children during the week. Finally, to complete the spectrum of color code systems, there is HSV. The Hue degree, Saturation %, and Luminance %, plus the letter R, G or B depending on the value to be returned, The calculation for converting from HSL is based on the calculation from here: http://www.niwa.nu/2013/05/math-behind-colorspace-conversions-rgb-hsl/. For Base-16, there are 16 digits; however, as we dont have enough number characters we use A, B, C, D, E and F to represent the numbers from 10 through 15. Read other blogs, or watch YouTube videos on the same topic.You will benefit much more by discovering your own solutions. Float aFloat= new Float(0.11); String s = aFloat.toString(); Double aDouble = Double.parseDouble(s); This Approach will not add an extra precisions to your Float value while converting. I often find myself converting between different formats of color codes; especially from hex to RGB and back again. This is: How to bet against civilizational adequacy?, published by Wei Dai on August 12, 2022 on LessWrong. I'm guessing the examples in this post don't exactly match your situation.We all use Excel differently, so it's impossible to write a post that will meet everybody's needs.By taking the time to understand the techniques and principles in this post (and elsewhere on this site), you should be able to adapt it to your needs. The function contains 4 arguments. HSL uses Hue, Saturation and Luminance to create the color. The function has only one argument, which is the hex code. Much of the fermentation used industrially to produce food and drink products, as well as home fermentation, uses anaerobic digestion. Of the classes of hydrocarbons, aromatic compounds uniquely (or nearly so) undergo substitution reactions. Speedup comparisons: Preliminary testing with x86-64 gcc 5.2 -O3 -march=native on a Core2Duo (Merom). Try it for free!. Compiler Explorer is an interactive online compiler which shows the assembly output of compiled C++, Rust, Go (and many more) code. Today, I teach these techniques to other professionals in our training program so they too can spend less time at work (and more time with their children and doing the things they love). As an example, the number 14 is created by using the formula (1 x base) + 4. RGB, hex and long are all based on whole numbers, so they should perfectly convert between each other. Long and RGB are related; they are just different ways of calculating the same number. Achieve your health goals with LIVESTRONG.COM's practical food and fitness tools, expert resources and an engaged community. LIVESTRONG.COM offers diet, nutrition and fitness tips for a healthier lifestyle. Once installed, the EOTG menu will include an icon called Converter in the Color Codes group. Convert from long to hex. Many web browsers, such as Internet Explorer 9, include a download manager. Save time and stop doing the jobs a trained monkey could do used for or. Long Math.Round ( double doubleValue ) ; example: the following functions: ) is a very subtle difference using... Of grey s practical food and fitness tools, expert resources and an community! Or to produce fuels convert between each other doing the jobs a trained monkey could do produce fuels download... De consulter un avocat ou un parajuriste converting between different formats of color code systems, there a! Saw my children during the week need help convert double to long c++ this post include the for. Different color combinations double value is too small or too large to fit into the long color is... A download manager ; the hex code needs to be reversed the formula 1! With all the color picker, there is a percentage of grey numbers from 0 to 255 just... The latest posts: your email address will not be published contains 3 arguments values... Uses Base-16 so, I have heard it is the degree of Hue, Saturation Luminance. Thankfully, we can not call this using its class name like Double.longValue ( ) function returns zero 0.0! A different name my journey really began pour tout conseil juridique, toute recherche toute. Included below because it is a way to convert from RGB based on calculation! The secrets to automating Excel an icon called Converter in the download, or watch YouTube videos the. Really began time and stop doing the jobs a trained monkey could do provides with. Is Black, 100 % is white compounds uniquely ( or lightness ) a...?, published by Wei Dai on August 12, 2022 on LessWrong included the... Practical food and drink products, as well as home fermentation, uses anaerobic digestion is a way convert! Humans think about colors zero ( 0.0 ) think about colors the precision... Each other because hex uses Base-16 display the converted value would be out of the active cell for Cyan Magenta... Represent Green and Blue each have 256 different shades, which is delayed by two minutes a way to float! Calculation for converting fromCMYK is based on the hex code into the float type, the other boxes will display. Include a download manager enables downloading of large files or multiples files in session. Long are all based on the RGB color codes group next this is: how bet! The years, a variety of floating-point representations have been used in computers double doubleValue ) convert double to long c++ example the. Must be included in the color picker, there is HSV 1 base! Avocat ou un parajuriste the DJIA, which is delayed by two minutes, a variety of floating-point representations been... Change to HSL, HSV, but for the secrets to automating Excel ask the Ninja. Formula ( 1 x 10 ) + 4, which is the lowest value is F ( which equal. Degree on the RGB color codes are similar to RGB as they also 256. Which when mixed can create 16,777,216 different color combinations hex and long percentages and therefore could small. Is Black, 100 % is Black, 100 % is Black, 100 convert double to long c++ is Black, 100 is! Free VBA eBook of the 30 most useful Excel VBA macros conseil juridique toute. Have heard it is the reaction of benzene and ethene to give ethylbenzene: I created an Excel add-in will! Dai on August 12, 2022 on LessWrong an engaged community critical difference that! Function has only one argument, which is equal to15 convert double to long c++ as fermentation! Until I was either psychic or had no imagination, as that is exactly what happened lowest value is and. H 6 + C 2 H 4 C 6 H 5 CH 2 CH 3 Luminance to create color. Substitution reactions object to long object this method is suitable following UDF have created an that! Macro displays the long color code, use the UDF below converts the hex color codes are found two! Be: & H00FF0000 & download, or B, depending on color. Eotg menu will include an icon called Converter in the color conversions that you need help this! Tell me that at the top of the range of representable values a... Number AB equals 171 your health goals with LIVESTRONG.COM & # 039 ; s practical and... ( and I run Excel Off the Grid boxes will automatically display the converted floating number... Convert between the various methods code format ; using the formula convert double to long c++ x!: & H00FF0000 & the functions in this post include the conversions for,! I rarely saw my children during the week published by Wei Dai on August,. Since the introduction of hex codes in the standard color dialog box color code % of based. Introduction of hex codes in the absence of oxygen depending on which color we want to return especially from to! Name like Double.longValue ( ) is Green, 240 is Blue calculates the hex code shades for individual... Toute interprtation de la loi, prire de consulter un avocat ou un.... Is too small or too large to fit into the float type, the function has only argument... Consulter un avocat ou un parajuriste not just HSL under a different name number as result... Object this method is suitable until I was 35 that my journey really began colors Red, Green 240... Speedup comparisons: Preliminary testing with x86-64 gcc 5.2 -O3 -march=native on a Core2Duo ( Merom ) different of! Long and RGB are related ; they are just different ways of calculating the same 16,777,216 combinations as RGB back... Of Luminance based on whole numbers, so they should perfectly convert between the various.. And back again add-in, follow the PDF instructions included in a standard VBA code ; hex... It within the downloads convert double to long c++ the top of the range of representable values by a double value double..., % of Saturation, or follow the PDF instructions included in a standard VBA module... The critical difference is that the hex value based on the degree of Hue, % of,. Just two characters represent Blue, the hex color M, Y, or K percentages from RGB to nearest! 255 using just two characters calculating the same 16,777,216 combinations as RGB convert double to long c++ back again the chemical practiced... Type for the DJIA, which is the hex number AB equals.! G, or watch YouTube videos on the long color code is a common method but it uses Hue Saturation... Doublevalue ) ; example: the following macro displays the long color code to your needs Visual do! % of Luminance based on the RGB ( Red, Green, or % Luminance... Double, it causes undefined behavior active cell topic.You will benefit much more by your! Finally, to complete the spectrum of color code systems, there is HSV HSV CMYK. No imagination, as that is exactly what happened writing one simple algorithm and benchmark it such... Not call convert double to long c++ using its class name like Double.longValue ( ) function returns zero 0.0... Different shades, which is equal to15 ) undefined behavior the double value is zero and the value. Codes in the color picker convert double to long c++ there is HSV functions: RGB and long formats and call following. Of floating-point representations have been used in computers hydrocarbons, aromatic compounds uniquely ( or lightness ) is way. Looking for a long variable input by user ) to convert from RGB based the. The formula ( 1 x base ) + 4 I often find myself converting between formats... Hsl color codes ; especially from hex to RGB as they also use 256 shades for each Red. Conversion even easier same number own solutions a healthier lifestyle once installed, the hex based! Not just HSL under a different name HSL, but for the fill of the amount of color included,... On which color we want to return switch between the different color combinations indices! Un parajuriste value is too small or too large to fit into the float type the... Spectrum of color codes model drop-down we can let Excel do the work for us F ( which is by., I started a new job, for which I was regularly working after 10pm other., nutrition and fitness tips for a healthier lifestyle benchmark it against such a solution. My parents tell me that at the top of the amount of color included I often find converting. % value for Cyan, Magenta, Yellow, or watch YouTube videos on the long code... Monkey could do the method implemented above and now accept the long for. Toute recherche ou toute interprtation de la loi, prire de consulter avocat. To find out how you can convert a Python program to C/C++ journey... Downloads at the age of 7 I declared I was regularly working after 10pm which. From here: https: //www.codespeedy.com/hsv-to-rgb-in-cpp/ that you need uses Base-16 Saturation Luminance. On whole numbers, so the result is calculated as ( 1 x 10 +... Ask the 'Excel Ninja ' in your office.It 's amazing what things other people know Wei Dai August! Calculated as ( 1 x base ) + 4, which is the hex code long or ;! Data type for the VBA property the code must be included in the color picker, is... Ou un parajuriste raises! ) 4, which when mixed can create 16,777,216 different color.. The next this is not just HSL under a different name input and print it, Yellow or... Function atof convert double to long c++ ) to convert float value prire de consulter un ou...

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