How to print binary value of float in c

How to print binary value of float in c. We compute the bitwise and of the number and 1 << i: May 14, 2023 · Here, we shall see how a float number (floating point value) can be converted to the string in C language. Many programming languages limit the number of decimal digits you can print, preventing you from seeing the exact contents of a floating-point variable. 2 and multiply by 2 (since it is represented in binary). If we compile what we have said in terms of code then it will look something like this. For the e conversion style [-]d. Now, I want to write the value of x to a file (e. Printing of negative value in c via printf. Sep 3, 2022 · printf("Binary Representation: "); for (int i = 31; i >= 0; i--) { printf("%d", (*intValuePointer >> i) & 1); if (i % 4 == 0) printf(" "); // For better readability. Update the number by dividing it by 2. The printf() function provides a formatting specifier ( %b) to print binary values. You get the dividend for the next step, using the integer quotient achieved in this stage. I want to print out the binary representation of a float number in C++. The order to print depends on endian-ness of the float. I don't know the reason why my hexadecimal and binary value coming like this. On the second point, the values of integers and floating-point numbers are encoded in bits differently. This is for the sake of convenience and keeping the examples simple. Sep 28, 2009 · longPtr = (unsigned long*) &RealNumber; Serial. For a decimal number: Take . If you need to, write a test program with a union of float and unsigned, set the float value you want, then print the hex representation. float x = 1. Dec 27, 2020 · And then printf prints the wrong value. 426; double y = 8. #include <inttypes. Jun 15, 2022 · Python doesn’t provide any inbuilt method to easily convert floating point decimal numbers to binary number. The base value of a number system determines the number of digits used to represent a numeric value. IO functions for a loooong loooong time) Jun 13, 2014 · Result in string with memory allocation. Nov 15, 2012 · You can control the number of decimal points that are outputted by including this in the format specifier. To print float values in C, we use the printf() function along with the %f specifier. "Can't read closed stream" (but I only closed the writer) Mar 27, 2021 · double (and floating-point variables in general) don't store a specific spelling of the number (base-10 or otherwise). Instead, the numbers are encoded in a certain binary format. You can't represent 0. Approach: Store the integer value in the variableOfIntType x. May 20, 2020 · The fwrite() function writes binary data. Now suppose that I want to print half-precision (i. Using a union still is not endian correct as endian of of a float and an int may differ - though that is uncommon. A float type Apr 22, 2022 · To get the raw data length, multiply the number of elements in the vector with the size of one element: strm. It is a library function defined in stdio. char* binary = (char*)malloc(n+1); for (int i=0;i<n;i++) May 7, 2021 · \$\begingroup\$ @chux-ReinstateMonica I had initial impression all C compilers would store floats in IEEE 754 representation. Type conversion float *f = (float *)&x; is valid but not good idea in general. This may work if sizeof (int) is sizeof (float) but that's not granted but compiler/platform dependend. Jan 24, 2014 · This is part of an assignment, the program is supposed to receive either an 8 digit hexadecimal number that starts with '0x' or a floating point number, and using the computer's 'built in IEEE 754 capabilities' convert the number to hex or float. We ask the user to enter a binary number and pass it to the convert() function to convert it decimal. 1 can't be represented accurately in any binary floating point format. What kind of cast can I use so that I can do the " &(1 << i) " part? Explanation. 5; uint32_t val_number32; // 32-bit type memcpy(&val_number32, &number, sizeof val_number32); Avoid the cast and assign. binary can be useful for looking at how bitwise memory maps are set, if they are documented accordingly and you want to look at the values laid out the same way as in the document. Print the output with a width of three digits, but fill the space with 0. Printf("%b", 52) // 110100 fmt. close(); May be wrong (I haven't used the C++ F. for example: fraBinary = 1010. Oct 28, 2021 · I want to read/write C float values from a binary file if it was created in C? The file was created like this: #include &lt;stdio. There are no binary (base 2) literals in C nor C++. And when we display that value using %c text format, the entered character is displayed. Floats store their numbers by storing a sign bit (+ or -), an exponent (where to put the decimal point, in this case 10^-1), and then Jan 24, 2024 · How to Print Float in C. lets not bust anyone's chops for wanting their data in whatever format suits their needs most. Approach : To convert a floating point decimal number into binary, first convert the integer part into binary form and then fractional part into binary form and finally combine both results to get the final answer. Nov 5, 2013 · "binary" is a specific representation of a numeric value in the form of a string of '0's and '1's. Jan 2, 2024 · Most systems use the IEEE 754 format, but that's not guaranteed, so a hex representation could be compiled to something very wrong. May 14, 2012 · Put a + sign after the % but before the field width, the precision specifier, or the f. But every attempt failed. edited Mar 19, 2012 at 11:24. 010011001. x=1. Aug 17, 2020 · in this video we'll seehowshow bits function work so we're goingto print the binary representation of adecimal number okayso the decimal number here is 39 so Feb 16, 2016 · "It doesn't print out the correct binary number, but has the right amount of bits" Perhaps, giving the expected result and the actual result you got would be helpful to evaluate your code and pin point possible mistakes without the pain of re-duplicating/imagining it. h&gt; using namespa Nov 7, 2021 · Because want to use this variable to do my mantissa. But looking at my code, it just dumps binary data stored in float \$\endgroup\$ Dec 15, 2011 · I just tried it on my PC and it worked as expected. May 8, 2013 · With these two simple functions (Python >=3. od doesn't seem to like doing this: $ od -t f2 c. 25d) will be left. i. It will showcase the use of format specifiers in C programming. In this example, below code converts binary data into an integer, then unpacks it as a float using struct and convert binary data to float using int. my_file) - but not as text; rather, I want to write a 32-bit IEEE-754 floating point value. k = x + 1 + y ( + 1 for the dot) and float_variable_name is the float variable that you want to get printed. 4E+38; Size: 4 bytes; Format Specifier: %f; Syntax of float Mar 28, 2023 · In the C programming language, float is a data type used to represent single-precision floating-point numbers. 1. The following program shows std::cout truncating to 6 digits: Jan 27, 2016 · The printed values other than the last are all the same because type float has less precision (but greater range) than does type int. 22. from_bytes() Function. Q2. Division and Remainder. If you do this, you will not be able to determine the byte order used. May 9, 2013 · 2. The first set is the number of significant digits to print in a string in decimal so when scanning the string back, we get the original floating point. Range: 1. step 1) if NUM > 1. h> float number = 12. Float in C is used to store decimal and exponential values. If you have a 64-bit string that represents a floating point number rather than an integer, you can do a three-step conversion - the first step turns the string into an integer, the second converts it into an 8-byte string, and the third re-interprets those bits as a float. read the bits of the float as it were bits of an int), print it as hex number. 011001. bin od: invalid type string ‘f2’; this system doesn't provide a 2-byte floating point type and neither Jul 21, 2017 · Just needs to use the size of the object and hh in the specifier to only print the the value without its signed extension. 4 -> take the value after the. Feb 13, 2016 · I'm learning how numbers are represented in memory. why not convert it into an long and print the binary value. Compare that program with. Output. Converting a floating point value to an integer approximates it by truncating or rounding it (usually towards 0, but the rule depends on the platform). printf does not print correct float value. From printf (3): A sign (+ or -) should always be placed before a number produced by a signed conversion. In base 10, it becomes moderately easy if you use big integers (m*2^(-p) == (m*5^p)*10^(-p)). Not very practical, just out of curiosity. It is used to store decimal numbers (numbers with floating point values) with single precision. h> to help us. The number 15 is called bias, and it is being calculated by the following formula: exponent_bias = 2 ^ (k−1) − 1 k - number of exponent bits. Declare a float variable. The bin value is =12. Hence in decimal digits this is approximately: 24 * log (2) / log (10) = 7. Mar 19, 2012 · The precision of the float is 24 bits. The %f specifier is used to print float values with default precision. Sep 15, 2023 · In the following examples, we will largely be working with 4-bit binary values. 32-bit) floating-point values from a binary file. May 23, 2024 · Converts floating-point number to the decimal exponent notation. That is unless you know how a long is stored. Hence four bytes has to be combined to get temparature data. 2f" for a ten character wide field with two digits after the decimal. e. 6 rounded to an integer is 0 or 1, so data[0] is 0 or 1 and the others are all 0. I'd like to see what happens with that numbers when adding or subtracting it causes overflow, for example. dddE±dd is used. For the other two the answer is 0. For example, the binary number system uses two digits 0 and 1 Apr 10, 2010 · You can work with bits though by using bitwise operators. Continue in this manner until the quotient reaches zero. Step 2: The binary can be formed by collecting all the remainders in reverse chronological order (from bottom to top). std::fixed and std::setprecision are defined inside (d means decimal, b means binary) 12. Apr 16, 2023 · These are as follows: 1. – How to write a C program to Print Integer, Char, and Float value with an example. 125; char* bits = reinterpret_cast<char*>(&f); May 26, 2023 · How to Read and Print an Integer Value in C. Syntax: May 1, 2023 · How To Convert Number To Binary In C. std::fstream thisFile; thisFile. I’ve written four C functions to address this: fp2bin(), print_double_binsci(), print_raw_double_binary(), and print_raw_double_hex Dec 14, 2016 · Here I'm storing the data in binary format. Store the remainder as a binary digit in an array. 2f, printf("f1 = %. For the E conversion style [-]d. Read this literally: a float variable f, take its address (pointer to float), force it to pointer to int, get its contents (i. It defines a compound literal that is a union, initializes the union with the double, and accesses the uint64_t member. padding in printf (float) Hot Network Questions Formatting float value in C language. Octal numbers are prefixed with 0 and hexadecimal numbers are prefixed with 0x. In C language, the term "bit" refers to an element of binary positional representation of a number. There's a GNU C extension though (among popular compilers, clang adapts it as well): the 0b or 0B prefixes: int foo = 0b1010; If you want to stick with standard C, then there's an option: you can combine a macro and a function to create an almost readable "binary constant" feature: Feb 6, 2018 · A double can store values from: Float's precision allows it to store a value of up to 9 digits (7 real digits, +2 from decimal to binary conversion) Double, like the name suggests can store twice as much precision as a float. a 2 byte object would store 16 bits). Printing Integer values in C. This C program lets the user enter One integer value, character, and a float value. write(reinterpret_cast<const char*>(&x),sizeof(x)); Note: That writting data in binary format is non portable. Printf("%b", 52. Below is the implementation of the above approach: Nov 19, 2010 · Float to binary in C++. floatValue: This is the floating-point number you want to convert to binary. h> void print_int(int x) { printf("%d\n", x); } void main() { float a=5; print_int(a); } where the compiler directly knows to cast the float to an int, due to the declaration of print_int. Each time, i will be the number of the bit we want to extract the value from. Oct 27, 2023 · %d: for printing integers %f: for printing floating-point numbers %c: for printing characters %s: for printing strings %p: for printing memory addresses %x: for printing hexadecimal values; Example. You need to act on the bytes of the float object, not on its value. i want to store this 1. Floating-point numbers are used to handle real numbers with decimal points, providing a way to represent a wide range of values, from very small to very large, and with fractional precision. This code prints in Hexadecimal, not in binary. 2 days ago · Serial. Do note that floating point numbers are not precisely represented in memory. This function is used to convert a floating point number to string. Width. C has 2 families of macros in <float. Formatting specifiers for binary printing. The following program doesn't compile though. The code should be in C. How to get an equivalent result for floats instead of the scientific notation? fmt. I’ve tried to describe the logic behind the converting of floating-point numbers from a binary format back to the decimal Oct 4, 2010 · To view the exact value of a floating-point variable. Once you have a char*, you can do whatever, for example, convert to bitset for easy printing: float f = 0. 1499996185302734. h> void main() { float a=5; printf("%d",(int)a); } correctly outputs 5. a) push NUM on stack. Operators. you can represent the number 5 by writing it in its binary representation as "%101" (where the leading '%' indicates a number in binary notation as per the C/C++ standard) Anyway, the representation of a number is something different than a Standard C doesn't define binary constants. Python3 Oct 23, 2011 · For example, let's assume that input value is 128, what binary translates to 1000 0000. Syntax: a << b; 1 day ago · Many users are not aware of the approximation because of the way values are displayed. u; This is legal C, with the bytes of the double being implementation-dependent. In the program, we have included the header file math. For floating point numbers, this parameter specifies the number of decimal places to use. Unfortunately for temparature I failed to print actual data. 2E-38 to 3. You write 12d in binary and remove it from your float. When outputting floating point numbers, std::cout has a default precision of 6 -- that is, it assumes all floating point variables are only significant to 6 digits (the minimum precision of a float), and hence it will truncate anything after that. 0. 00000. How can I access memory and print it? Jul 16, 2021 · But if we subtract the value of 15 from it, the range will be [-15, 16]. Here are six different approaches to how to convert number to binary in C with detailed solution steps, code, and output for each approach: Bitwise Shifting. decimal point, don't take the value before. } Output will be like this, The given float value is =12. It means sizeof(10) and sizeof(int) will return the same value. 2f, printf("f1 = %f\n",f); Have this. So, I have assumed this to be true. Example: C/C++ Code // C++ program to illustrate the // floating point values #include &lt;bits/stdc++. e convert the number with base value 10 to base value 8. 6) you can easily convert a float number to binary and vice versa, for IEEE 754 binary64. Jan 28, 2021 · Every literal (constant) in C/C++ will have a type of information associated with it. Oct 3, 2015 · I want to create a program that prints the address of an int, a float and a double. Python only prints a decimal approximation to the true decimal value of the binary approximation stored by the machine. Access the character representation of the float value using the character member of the union. ddde±dd is used. print("Hello world. The printf () method, in C, prints the value passed as the parameter to it, on the console screen. Printing them reproduces the base-10 spelling from binary. On most machines, if Python were to print the true decimal value of the binary approximation stored for 0. As for integer literals, you can only work with decimal (base 10), octal (base 8) or hexadecimal (base 16) numbers. Jul 11, 2017 · Jul 11, 2017 at 14:08. If you mix two different floating-point types together, the less-precise one will be extended to match the precision of the more-precise one; this also works if you mix Sep 22, 2013 · Formatting float value in C language. May 24, 2013 · #include<stdio. It can store up to 17 digits. float f = 43. Jan 6, 2012 · float(int('-0b1110',0)) That works for me. Jun 6, 2012 · Printing floating point values accurately and efficiently is hard, except in bases that are powers of 2 (for binary floating point, bases that are the product of a power of 2 and a power of 5 for decimal floating point representations). For this reason, we compare the arithmetic results of float variables with a minimum tolerance value. Hot Network Questions May 1, 2018 · The fmt package allows us to print a binary representation of integers with %b. Store the input by the user as a string. printf does not print correct float value-1. Repeat these steps till the number is greater than zero. That's the first bit to print in the console. The following function converts an integer to binary in a string and allocate memory for the string (n is the number of bits): // Convert an integer to binary (in a string) char* int2bin(unsigned integer, int n=8) {. . b) recursively call function with 'NUM / 2'. Bitset. Floating-point types in C support most of the same arithmetic and relational operators as integer types; x > y, x / y, x + y all make sense when x and y are float s. Sep 28, 2023 · Float Data Type. 5). text) representation of your float values, not the binary representation. Using the printf() function. Floating-point numbers do not use that representation. Only the remainder (. So, Let’s do this manually. from_bytes() function. 2. Also, your comment suggests that you don't understand the difference between an integer representation of 2, and a floating point version. In both C and C++, numeric literals (e. printf("%c", char_variable); 2. There are shown with the C spec's minimum value and a sample C11 compiler. In this printf statement we want to print three position before the decimal point (called width) and two positions behind the decimal point (called precision). 2 X 2 = 0. 10) will have int as their type. h&gt; int main() { const int NUMBEROFTESTELEMENTS = 10; /* Apr 24, 2014 · On some architectures, the cast alone may cause a loss of information even if the value is not dereferenced if the types involved have differing alignment requirements. It is the sub-specifier that denotes the minimum number of characters that will be printed. 2 is very simple in binary logic: 8 4 2 1. In actual programs, the number of bits used is based on the size of the object (e. printf("%0k. Bitwise AND with Mask. g. The hex value is =12. print out in scientific notation = 1. This function supports a wide range of formatting options, including binary representation. 3. The conversion to float loses precision, so that the first four int values all convert to the same float value, whereas the last int is enough different to convert to a different float. Apr 8, 2022 · To copy the bytes of a 32-bit float to an integer, best to copy to an integer type that is certainly 32-bit. 1101 in binary = 13 in decimal. So instead of having. If we use %d to display the character, it's ASCII value is printed. Binary Arithmetic Operators in C. yf" float_variable_name) Here k is the total number of characters you want to get printed. E. Hence to print ADXL data (two bytes), I combine each two byte data. (15 real digits, +2 from decimal to binary conversion) e. There is some conversion Mar 22, 2024 · Given a decimal number as input, we need to write a program to convert the given decimal number into an equivalent octal number. May 1, 2024 · Method 2: Recursive Approach: Following is recursive method to print binary representation of ‘NUM’. Suppose n = 1101. g. open("filename",ios::read|ios::binary); float myFloat; thisFile>>myFloat; thisFile. If the value is 0 , the exponent is also 0 . What you want to write is the human readable (i. step 2) a) pop NUM from stack, divide it by 2 and print it's remainder. int var = 34; int *ptr; ptr = &var; printf("\nDirect access, variable var value = var = %d", var); i am wondering how to access the memory amount of a float and print it. Syntax : gcvt (float value, int ndigits, char * buf); float value : It is the float or double value. I'm logging accelerometer and temp&humidity sensors. Sep 11, 2020 · Common C implementations use a binary-based format for floating-point. Presuming a double has 64 bits, this reinterprets the bytes of a double x as an unsigned 64-bit integer: (union { double d; uint64_t u; }) {x} . an int with the value 2 has a binary representation of 10, but a float is totally different – Apr 25, 2023 · Ans: To convert decimal to binary in c, you can use the "itoa" function which converts an integer value to a string of characters in a specified base, such as 2 for binary. The first two are the buffer and the size of the buffer. 16-bit) floats. 2f\n",v); This formats the value of v to be 8 places and 2 decimal places after the period thereby rounding the float number to your expected output. The last two are the variable you want to convert (it's a void pointer, it can be any data) and the size in bytes of the variable which can get by sizeof(). Either way: How did the floating point numbers get into that conversion? – Apr 13, 2023 · The floating-point numbers serve as rough approximations of mathematical real numbers. This is the code to print: printf("\nExponent: %e", fraBinary); fraBinary refers to my binary in floating format. Find the remainder by taking the modulus of the given number with 2. You can do this using fprintf(): float slidingCorrelator[N]; FILE *fp; // fill the array somehow Apr 16, 2024 · Convert Binary Data to Float Using int. Dec 2, 2011 · 9. The exponent contains at least two digits, more digits are used only if necessary. I want to know how to print the actual representation (binary or hexadecimal) in memory of some int and float variables. The C binary arithmetic operators operate or work on two operands. Aug 2, 2011 · Representing 5. Oct 6, 2014 · Closed 9 years ago. 25d is your float. Recursion. (1 << i) shifts the value 1, i bits to the left. In other words, left-shifting an integer “ a ” with an integer “ b ” denoted as ‘ (a<<b)’ is equivalent to multiplying a with 2^b (2 raised to power b). write(reinterpret_cast<const char*>(&vec[0]), vec. Suppose you want to print x digits before the decimal point and y digits after it. By default a sign is used only for negative numbers. %d tells printf to interpret the bits as a binary number (along with some scheme for representing negative numbers, most frequently two’s complement). Jul 13, 2014 · I don't understand what you mean by “convert an int to a binary number”—int already is binary… Or do you mean to convert it to a string of the binary representation, e. Jan 25, 2012 · The only standards-conforming way to access the binary pattern of a float is to reinterpret_cast it as a char*. Enter a binary number: 1101. Jun 22, 2018 · Serial. } printf("\n"); Explanation. Dividing it by 10 will have it gather rounding errors at every step. println(*longPtr, BIN); system September 28, 2009, 4:08pm 7. It stores a binary-based number, essentially a real number with little correlation to decimal numerals. println (floatValue,BIN); } void loop () {. C provides 5 Binary Arithmetic Operators for performing arithmetic functions which are as follows: Add two operands. The following code shows an example of how to print a float in C: Sep 14, 2009 · However, you can also typecast your float to int32 and save , load and typecast. int main() { int a; float b; double c; printf("\na:%d \nb:%f \nc:%lf", &a, &b, &c); } But in the end all I get is the address of the int. Shifting it by 7 will give 0000 0001, so it concludes that the most significant bit was 1. C program to Print Integer, Char, and Float value. Feb 2, 2024 · Step 1: Dividing 6 by 2 to get the answer. Note that scanf uses the same sort of format string as printf (type man scanf for more info). Instead, an integer value (ASCII value) is stored. Use the printf() function to print the float value. 5 -> 0 1 0 1. Jan 25, 2024 · To print a double value with full precision using cout in C++, we can use the std::fixed to set the floating-point representation to fixed-point notation and std::setprecision to set the precision to the maximum possible digits for a double using std::numeric_limits<double>::max_digits10. To print a float in C, you can use the following steps: 1. Also note the & in front of a and b. Attributes: :b: Binary string to transform. Subtract the second operand from the first operand. My approach is the following. 1, it would have to display: May 8, 2024 · Outputting floating point values. #include<stdio. Would you not consider doing it this way using format specifiers such as in the example below: printf("%8. There are 23 bits denoting the fraction after the binary point, plus there's also an "implicit leading bit", according to the online source. The & operator computes the bitwise and of the operands. Now, if the number of digits before float May 1, 2010 · char result = charRepresentation(test); return 0; } If we ignore that your float is a float and convert 47567 into binary, we get 10111001 11001111. How can I print a binary number in C? Ans: To print a binary number in C, you can use the "printf" function with the "%d" format specifier and the binary prefix "0b" to Feb 1, 2024 · in that question, we wanted to print IEEE 754 single-precision (i. Integral numbers in C use binary positional representation, which is why they have "bits". The for loop runs once for each of the 32 bits in the float. For example, the binary number system uses two digits 0 and 1 Jun 19, 2012 · As for the float, floats are implementation defined. The most common way to print binary values in C is by using the printf() function from the standard C library. When a character is entered by the user in the above program, the character itself is not stored. int ndigits : It It provides several specifiers that allow us to control the format of the float values we print. 010011001 into a variable so that i can use this variable in other printf("%d + %d = %d\n", a, b, c); return 0; Here's how this program works when you execute it: Make the changes, then compile and run the program to make sure it works. Can I do this with bash and standard(ish) Unix command-line tools? I tried to write the float value into a MemoryStream, read this MemoryStream byte by byte and convert the bytes into their binary representation. 0000 0001 & 1 = 1. That would be way too inefficient, and the ability to store meaningless zeroes would waste memory. If you want to read it on an alternative machine you need to either have exactly the same architecture or you need to standardise the format and make sure all machines use the standard format. import struct def bin2float(b): ''' Convert binary string to a float. I want to print the binary value of a given float just by directly accessing the memory I used this code to access the value of an int. Jun 14, 2017 · Both functions need the following arguments: char * const buffer, size_t bufSize, const void * var, size_t varSize. It prints the float value and its type. convert 14 to "1110". 2f\n",f); to print two numbers after the decimal point. It seems to me, that the binary file Sep 4, 2023 · Left Shift (<<) It is a binary operator that takes two numbers, left shifts the bits of the first operand, and the second operand decides the number of places to shift. Statements you see that double can store “15 decimal places” are false; it does not store any decimal places. Multiply two operands. " An optional second parameter specifies the base (format) to use; permitted values are BIN(binary, or base 2), OCT(octal, or base 8), DEC(decimal, or base 10), HEX(hexadecimal, or base 16). – Jul 25, 2021 · Suppose I've set a bash variable to some fractional value (e. Example: C/C++ Code #include &lt;bits/s Jul 17, 2010 · Try: int x = 5; std::cout. In C programming float data type is used to store floating-point values. Run Code. In your code x is unsigned int that has different memory alignments then float types. 0) // 7318349394477056p-47 Jun 2, 2017 · Given a decimal number as input, we need to write a program to convert the given decimal number into an equivalent octal number. In the fourth printf statement we want to print a float. They do not represent the exact value. You can use the answer below to assign a hex value to a float also with a union. %f tells printf to interpret the bits as a number Jul 18, 2023 · Algorithm to Convert Decimal Numbers to Binary in C. size()*sizeof(T)); The same applies when you read the vector from the file; The element count is the total file size divided by the size of one element (given that you only store one type Sep 7, 2022 · To write a C program to print the binary format of float using character format, we can use the following steps: Define a union to store the float and character representation of the float value. This is 16 bits, which is twice the size of a char (8 bits). 1 as a multiple of negative powers of two. h header file. Print this value using the printf () method. And then we use the printf statement to print them out. 15. These are the bits you "see" by means of bitwise operators (logical and shifts). I could read data byte by byte. This gives 24 significant bits in total. For example, use "%+10. The reinterpret_cast fails. Assign a value to the float variable. ") gives "Hello world. h to perform mathematical operations in the program. Assign the float value to the float member of the union. unsigned may be less, same or more than 32-bits. ti rz fr pe mh xx os dp sv ju