Reading in double values with scanf in c

Use the %lf format specifier to read a double:

double a;
scanf("%lf",&a);

Wikipedia has a decent reference for available format specifiers.

You’ll need to use the %lf format specifier to print out the results as well:

printf("%lf %lf",a,b);

Related Posts:

  1. How to do scanf for single char in C
  2. How do you allow spaces to be entered using scanf?
  3. Difference between fgets and fscanf?
  4. Difference between scanf() and fgets()
  5. Going through a text file line by line in C
  6. How to initialize array to 0 in C?
  7. Sign extend a nine-bit number in C
  8. Break statement not within loop or switch in C
  9. How to properly malloc for array of struct in C
  10. Cache Simulator in C
  11. Where is the C auto keyword used?
  12. make: Nothing to be done for `all’
  13. Data argument not used by format strings in C
  14. expected expression before ‘{‘ token
  15. Setting std=c99 flag in GCC
  16. C Vector/ArrayList/LinkedList
  17. Convert char array to a int number in C
  18. Bind failed: Address already in use
  19. Warning/error “function declaration isn’t a prototype”
  20. What is the difference between %f and %lf in C?
  21. warning: initializer element is not computable at load time
  22. What is stdin in C language?
  23. How to prevent multiple definitions in C?
  24. How to pass 2D array (matrix) in a function in C?
  25. error: ‘for’ loop initial declarations are only allowed in C99 mode [duplicate]
  26. How can you print multiple variables inside a string using printf?
  27. c – warning: implicit declaration of function ‘printf’
  28. C dynamically growing array
  29. Why should we check WIFEXITED after wait in order to kill child processes in Linux system call?
  30. How to compile makefile using MinGW?
  31. Mapping a numeric range onto another
  32. Why are hexadecimal numbers prefixed with 0x?
  33. Portable way to check if directory exists [Windows/Linux, C]
  34. too many arguments for format [-Wformat-extra-args]
  35. Incorrect checksum for freed object on malloc
  36. Scanning Multiple inputs from one line using scanf
  37. How to copy a char array in C?
  38. Simple way to check if a string contains another string in C?
  39. What does “request for member ‘*******’ in something not a structure or union” mean?
  40. cast to pointer from integer of different size, pthread code
  41. Invalid type argument of unary ‘*’ (have ‘int’) Error in C
  42. Segmentation fault (core dumped) due to fgets – I think
  43. Why do I get “cast from pointer to integer of different size” error?
  44. C subscripted value is neither array nor pointer nor vector when assigning an array element value
  45. What does “request for member ‘*******’ in something not a structure or union” mean?
  46. Unknown ending signal when using debugger gdb
  47. Valgrind: invalid read of size 4 -> sigsegv, works fine without valgrind and in visual studio
  48. error: too few arguments to function `printDay’ (C language)
  49. How to convert integer to char in C?
  50. Is there a good Valgrind substitute for Windows?
  51. Where to find the complete definition of off_t type?
  52. struct has no member named
  53. Difference between “move” and “li” in MIPS assembly language
  54. printf not printing to screen
  55. Initializing array of structures
  56. Still Reachable Leak detected by Valgrind
  57. Assembly x86 – “leave” Instruction
  58. What is the difference between array and enum in C ?
  59. What is signed integer overflow?
  60. What does the term “empty loop” refer to exactly in C and C++?
  61. When to use const char * and when to use const char []
  62. What do numbers using 0x notation mean?
  63. What integer hash function are good that accepts an integer hash key?
  64. Can I create an Array of Char pointers in C?
  65. Does stack grow upward or downward?
  66. Convert Little Endian to Big Endian
  67. Excess elements of scalar initializer for pointer to array of ints
  68. X86 assembly – Handling the IDIV instruction
  69. error C2371: ‘functionname’ redefinition: different basic types
  70. How does one represent the empty char?
  71. Pause screen at program completion in C
  72. How to write to a file using open() and printf()?
  73. note: previous implicit declaration of ‘point_forward’ was here
  74. Can I define a function inside a C structure?
  75. Where is the header file on Linux? Why can’t I find ?
  76. What exactly is meant by “de-referencing a NULL pointer”?
  77. how use EOF stdin in C
  78. How to find EOF through fscanf?
  79. Why is the sizeof(int) == sizeof(long)?
  80. getc() vs fgetc() – What are the major differences?
  81. Can’t understand the working of getint() in C as per K&R
  82. Lua – Number to string behaviour
  83. How do you read scanf until EOF in C?
  84. Tokenizing strings in C
  85. How to allocate array of pointers for strings by malloc in C?
  86. Simple C scanf does not work? [duplicate]
  87. Realloc Invalid Pointer in C
  88. How to read from input until newline is found using scanf()?
  89. What tools are there for functional programming in C?
  90. typedef fixed length array
  91. Reading float using scanf in c
  92. “-bash: gcc: command not found” using cygwin when compiling c?
  93. In C, what exactly happens when you pass a NULL pointer to strcmp()?
  94. Reading float using scanf in c
  95. “-bash: gcc: command not found” using cygwin when compiling c?
  96. How to format strings using printf() to get equal length in the output
  97. In C, what exactly happens when you pass a NULL pointer to strcmp()?
  98. What are the differences between if, else, and else if? 
  99. What do \t and \b do?
  100. Why and when to use static structures in C programming?

Leave a Comment

deneme bonusu veren sitelerbahis casinomakrobetceltabetpinbahispolobetpolobet girişpinbahis girişmakrobet girişpulibet girişmobilbahis girişkolaybet giriş