| /* Author: B. Gough and G. Jungman */ |
| #ifndef __GSL_MACHINE_H__ |
| #define __GSL_MACHINE_H__ |
| |
| #include <limits.h> |
| #include <float.h> |
| |
| /* magic constants; mostly for the benefit of the implementation */ |
| |
| /* -*-MACHINE CONSTANTS-*- |
| * |
| * PLATFORM: Whiz-O-Matic 9000 |
| * FP_PLATFORM: IEEE-Virtual |
| * HOSTNAME: nnn.lanl.gov |
| * DATE: Fri Nov 20 17:53:26 MST 1998 |
| */ |
| #define GSL_DBL_EPSILON 2.2204460492503131e-16 |
| #define GSL_SQRT_DBL_EPSILON 1.4901161193847656e-08 |
| #define GSL_ROOT3_DBL_EPSILON 6.0554544523933429e-06 |
| #define GSL_ROOT4_DBL_EPSILON 1.2207031250000000e-04 |
| #define GSL_ROOT5_DBL_EPSILON 7.4009597974140505e-04 |
| #define GSL_ROOT6_DBL_EPSILON 2.4607833005759251e-03 |
| #define GSL_LOG_DBL_EPSILON (-3.6043653389117154e+01) |
| |
| #define GSL_DBL_MIN 2.2250738585072014e-308 |
| #define GSL_SQRT_DBL_MIN 1.4916681462400413e-154 |
| #define GSL_ROOT3_DBL_MIN 2.8126442852362996e-103 |
| #define GSL_ROOT4_DBL_MIN 1.2213386697554620e-77 |
| #define GSL_ROOT5_DBL_MIN 2.9476022969691763e-62 |
| #define GSL_ROOT6_DBL_MIN 5.3034368905798218e-52 |
| #define GSL_LOG_DBL_MIN (-7.0839641853226408e+02) |
| |
| #define GSL_DBL_MAX 1.7976931348623157e+308 |
| #define GSL_SQRT_DBL_MAX 1.3407807929942596e+154 |
| #define GSL_ROOT3_DBL_MAX 5.6438030941222897e+102 |
| #define GSL_ROOT4_DBL_MAX 1.1579208923731620e+77 |
| #define GSL_ROOT5_DBL_MAX 4.4765466227572707e+61 |
| #define GSL_ROOT6_DBL_MAX 2.3756689782295612e+51 |
| #define GSL_LOG_DBL_MAX 7.0978271289338397e+02 |
| |
| #define GSL_FLT_EPSILON 1.1920928955078125e-07 |
| #define GSL_SQRT_FLT_EPSILON 3.4526698300124393e-04 |
| #define GSL_ROOT3_FLT_EPSILON 4.9215666011518501e-03 |
| #define GSL_ROOT4_FLT_EPSILON 1.8581361171917516e-02 |
| #define GSL_ROOT5_FLT_EPSILON 4.1234622211652937e-02 |
| #define GSL_ROOT6_FLT_EPSILON 7.0153878019335827e-02 |
| #define GSL_LOG_FLT_EPSILON (-1.5942385152878742e+01) |
| |
| #define GSL_FLT_MIN 1.1754943508222875e-38 |
| #define GSL_SQRT_FLT_MIN 1.0842021724855044e-19 |
| #define GSL_ROOT3_FLT_MIN 2.2737367544323241e-13 |
| #define GSL_ROOT4_FLT_MIN 3.2927225399135965e-10 |
| #define GSL_ROOT5_FLT_MIN 2.5944428542140822e-08 |
| #define GSL_ROOT6_FLT_MIN 4.7683715820312542e-07 |
| #define GSL_LOG_FLT_MIN (-8.7336544750553102e+01) |
| |
| #define GSL_FLT_MAX 3.4028234663852886e+38 |
| #define GSL_SQRT_FLT_MAX 1.8446743523953730e+19 |
| #define GSL_ROOT3_FLT_MAX 6.9814635196223242e+12 |
| #define GSL_ROOT4_FLT_MAX 4.2949672319999986e+09 |
| #define GSL_ROOT5_FLT_MAX 5.0859007855960041e+07 |
| #define GSL_ROOT6_FLT_MAX 2.6422459233807749e+06 |
| #define GSL_LOG_FLT_MAX 8.8722839052068352e+01 |
| |
| #define GSL_SFLT_EPSILON 4.8828125000000000e-04 |
| #define GSL_SQRT_SFLT_EPSILON 2.2097086912079612e-02 |
| #define GSL_ROOT3_SFLT_EPSILON 7.8745065618429588e-02 |
| #define GSL_ROOT4_SFLT_EPSILON 1.4865088937534013e-01 |
| #define GSL_ROOT5_SFLT_EPSILON 2.1763764082403100e-01 |
| #define GSL_ROOT6_SFLT_EPSILON 2.8061551207734325e-01 |
| #define GSL_LOG_SFLT_EPSILON (-7.6246189861593985e+00) |
| |
| /* !MACHINE CONSTANTS! */ |
| |
| |
| /* a little internal backwards compatibility */ |
| #define GSL_MACH_EPS GSL_DBL_EPSILON |
| |
| |
| |
| /* Here are the constants related to or derived from |
| * machine constants. These are not to be confused with |
| * the constants that define various precision levels |
| * for the precision/error system. |
| * |
| * This information is determined at configure time |
| * and is platform dependent. Edit at your own risk. |
| * |
| * PLATFORM: WHIZ-O-MATIC |
| * CONFIG-DATE: Thu Nov 19 19:27:18 MST 1998 |
| * CONFIG-HOST: nnn.lanl.gov |
| */ |
| |
| /* machine precision constants */ |
| /* #define GSL_MACH_EPS 1.0e-15 */ |
| #define GSL_SQRT_MACH_EPS 3.2e-08 |
| #define GSL_ROOT3_MACH_EPS 1.0e-05 |
| #define GSL_ROOT4_MACH_EPS 0.000178 |
| #define GSL_ROOT5_MACH_EPS 0.00100 |
| #define GSL_ROOT6_MACH_EPS 0.00316 |
| #define GSL_LOG_MACH_EPS (-34.54) |
| |
| |
| #endif /* __GSL_MACHINE_H__ */ |
