_float.h 3.3 KB

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  1. /* $OpenBSD: _float.h,v 1.1 2012/06/26 16:12:45 deraadt Exp $ */
  2. /*
  3. * Copyright (c) 1992, 1993
  4. * The Regents of the University of California. All rights reserved.
  5. *
  6. * This software was developed by the Computer Systems Engineering group
  7. * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
  8. * contributed to Berkeley.
  9. *
  10. * All advertising materials mentioning features or use of this software
  11. * must display the following acknowledgement:
  12. * This product includes software developed by the University of
  13. * California, Lawrence Berkeley Laboratory.
  14. *
  15. * Redistribution and use in source and binary forms, with or without
  16. * modification, are permitted provided that the following conditions
  17. * are met:
  18. * 1. Redistributions of source code must retain the above copyright
  19. * notice, this list of conditions and the following disclaimer.
  20. * 2. Redistributions in binary form must reproduce the above copyright
  21. * notice, this list of conditions and the following disclaimer in the
  22. * documentation and/or other materials provided with the distribution.
  23. * 3. Neither the name of the University nor the names of its contributors
  24. * may be used to endorse or promote products derived from this software
  25. * without specific prior written permission.
  26. *
  27. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  28. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  29. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  30. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  31. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  33. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  34. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  35. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  36. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  37. * SUCH DAMAGE.
  38. */
  39. #ifndef _MACHINE__FLOAT_H_
  40. #define _MACHINE__FLOAT_H_
  41. #define __FLT_RADIX 2 /* b */
  42. #define __FLT_ROUNDS __flt_rounds()
  43. #define __FLT_EVAL_METHOD 0 /* no promotions */
  44. #define __FLT_MANT_DIG 24 /* p */
  45. #define __FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
  46. #define __FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
  47. #define __FLT_MIN_EXP -125 /* emin */
  48. #define __FLT_MIN 1.17549435E-38F /* b**(emin-1) */
  49. #define __FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */
  50. #define __FLT_MAX_EXP 128 /* emax */
  51. #define __FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
  52. #define __FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
  53. #define __DBL_MANT_DIG 53
  54. #define __DBL_EPSILON 2.2204460492503131E-16
  55. #define __DBL_DIG 15
  56. #define __DBL_MIN_EXP -1021
  57. #define __DBL_MIN 2.2250738585072014E-308
  58. #define __DBL_MIN_10_EXP -307
  59. #define __DBL_MAX_EXP 1024
  60. #define __DBL_MAX 1.7976931348623157E+308
  61. #define __DBL_MAX_10_EXP 308
  62. #define __LDBL_MANT_DIG DBL_MANT_DIG
  63. #define __LDBL_EPSILON DBL_EPSILON
  64. #define __LDBL_DIG DBL_DIG
  65. #define __LDBL_MIN_EXP DBL_MIN_EXP
  66. #define __LDBL_MIN DBL_MIN
  67. #define __LDBL_MIN_10_EXP DBL_MIN_10_EXP
  68. #define __LDBL_MAX_EXP DBL_MAX_EXP
  69. #define __LDBL_MAX DBL_MAX
  70. #define __LDBL_MAX_10_EXP DBL_MAX_10_EXP
  71. #define __DECIMAL_DIG 17
  72. #endif /* _MACHINE__FLOAT_H_ */