float.h 3.3 KB

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  1. /* float.h for target with IEEE 32 bit and 64 bit floating point formats */
  2. #ifndef _FLOAT_H_
  3. #define _FLOAT_H_
  4. /* Produced by enquire version 4.3, CWI, Amsterdam */
  5. /* Radix of exponent representation */
  6. #undef FLT_RADIX
  7. #define FLT_RADIX 2
  8. /* Number of base-FLT_RADIX digits in the significand of a float */
  9. #undef FLT_MANT_DIG
  10. #define FLT_MANT_DIG 24
  11. /* Number of decimal digits of precision in a float */
  12. #undef FLT_DIG
  13. #define FLT_DIG 6
  14. /* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown */
  15. #undef FLT_ROUNDS
  16. #define FLT_ROUNDS 1
  17. /* Difference between 1.0 and the minimum float greater than 1.0 */
  18. #undef FLT_EPSILON
  19. #define FLT_EPSILON 1.19209290e-07F
  20. /* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */
  21. #undef FLT_MIN_EXP
  22. #define FLT_MIN_EXP (-125)
  23. /* Minimum normalised float */
  24. #undef FLT_MIN
  25. #define FLT_MIN 1.17549435e-38F
  26. /* Minimum int x such that 10**x is a normalised float */
  27. #undef FLT_MIN_10_EXP
  28. #define FLT_MIN_10_EXP (-37)
  29. /* Maximum int x such that FLT_RADIX**(x-1) is a representable float */
  30. #undef FLT_MAX_EXP
  31. #define FLT_MAX_EXP 128
  32. /* Maximum float */
  33. #undef FLT_MAX
  34. #define FLT_MAX 3.40282347e+38F
  35. /* Maximum int x such that 10**x is a representable float */
  36. #undef FLT_MAX_10_EXP
  37. #define FLT_MAX_10_EXP 38
  38. /* Number of base-FLT_RADIX digits in the significand of a double */
  39. #undef DBL_MANT_DIG
  40. #define DBL_MANT_DIG 53
  41. /* Number of decimal digits of precision in a double */
  42. #undef DBL_DIG
  43. #define DBL_DIG 15
  44. /* Difference between 1.0 and the minimum double greater than 1.0 */
  45. #undef DBL_EPSILON
  46. #define DBL_EPSILON 2.2204460492503131e-16
  47. /* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */
  48. #undef DBL_MIN_EXP
  49. #define DBL_MIN_EXP (-1021)
  50. /* Minimum normalised double */
  51. #undef DBL_MIN
  52. #define DBL_MIN 2.2250738585072014e-308
  53. /* Minimum int x such that 10**x is a normalised double */
  54. #undef DBL_MIN_10_EXP
  55. #define DBL_MIN_10_EXP (-307)
  56. /* Maximum int x such that FLT_RADIX**(x-1) is a representable double */
  57. #undef DBL_MAX_EXP
  58. #define DBL_MAX_EXP 1024
  59. /* Maximum double */
  60. #undef DBL_MAX
  61. #define DBL_MAX 1.7976931348623157e+308
  62. /* Maximum int x such that 10**x is a representable double */
  63. #undef DBL_MAX_10_EXP
  64. #define DBL_MAX_10_EXP 308
  65. /* Number of base-FLT_RADIX digits in the significand of a long double */
  66. #undef LDBL_MANT_DIG
  67. #define LDBL_MANT_DIG 53
  68. /* Number of decimal digits of precision in a long double */
  69. #undef LDBL_DIG
  70. #define LDBL_DIG 15
  71. /* Difference between 1.0 and the minimum long double greater than 1.0 */
  72. #undef LDBL_EPSILON
  73. #define LDBL_EPSILON 2.2204460492503131e-16L
  74. /* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */
  75. #undef LDBL_MIN_EXP
  76. #define LDBL_MIN_EXP (-1021)
  77. /* Minimum normalised long double */
  78. #undef LDBL_MIN
  79. #define LDBL_MIN 2.2250738585072014e-308L
  80. /* Minimum int x such that 10**x is a normalised long double */
  81. #undef LDBL_MIN_10_EXP
  82. #define LDBL_MIN_10_EXP (-307)
  83. /* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */
  84. #undef LDBL_MAX_EXP
  85. #define LDBL_MAX_EXP 1024
  86. /* Maximum long double */
  87. #undef LDBL_MAX
  88. #define LDBL_MAX 1.7976931348623157e+308L
  89. /* Maximum int x such that 10**x is a representable long double */
  90. #undef LDBL_MAX_10_EXP
  91. #define LDBL_MAX_10_EXP 308
  92. #endif /* _FLOAT_H_ */