BornAgain  1.18.0
Simulate and fit neutron and x-ray scattering at grazing incidence
MathConstants.h File Reference
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Macros

#define M_E   2.7182818284590452354 /* e */
 
#define M_LOG2E   1.4426950408889634074 /* log_2 e */
 
#define M_LOG10E   0.43429448190325182765 /* log_10 e */
 
#define M_LN2   0.69314718055994530942 /* log_e 2 */
 
#define M_LN10   2.30258509299404568402 /* log_e 10 */
 
#define M_PI   3.14159265358979323846 /* pi */
 
#define M_PI_2   1.57079632679489661923 /* pi/2 */
 
#define M_PI_4   0.78539816339744830962 /* pi/4 */
 
#define M_1_PI   0.31830988618379067154 /* 1/pi */
 
#define M_2_PI   0.63661977236758134308 /* 2/pi */
 
#define M_2_SQRTPI   1.12837916709551257390 /* 2/sqrt(pi) */
 
#define M_SQRT2   1.41421356237309504880 /* sqrt(2) */
 
#define M_SQRT1_2   0.70710678118654752440 /* 1/sqrt(2) */
 
#define M_TWOPI   6.28318530717958647693
 

Detailed Description

Defines M_PI and some more mathematical constants.

Homepage:\n http://www.bornagainproject.org
License:\n GNU General Public License v3 or higher (see COPYING)
Authors
Scientific Computing Group at MLZ (see CITATION, AUTHORS)

Definition in file MathConstants.h.

Macro Definition Documentation

◆ M_E

#define M_E   2.7182818284590452354 /* e */

Definition at line 34 of file MathConstants.h.

◆ M_LOG2E

#define M_LOG2E   1.4426950408889634074 /* log_2 e */

Definition at line 35 of file MathConstants.h.

◆ M_LOG10E

#define M_LOG10E   0.43429448190325182765 /* log_10 e */

Definition at line 36 of file MathConstants.h.

◆ M_LN2

#define M_LN2   0.69314718055994530942 /* log_e 2 */

Definition at line 37 of file MathConstants.h.

◆ M_LN10

#define M_LN10   2.30258509299404568402 /* log_e 10 */

Definition at line 38 of file MathConstants.h.

◆ M_PI

#define M_PI   3.14159265358979323846 /* pi */

Definition at line 39 of file MathConstants.h.

◆ M_PI_2

#define M_PI_2   1.57079632679489661923 /* pi/2 */

Definition at line 40 of file MathConstants.h.

◆ M_PI_4

#define M_PI_4   0.78539816339744830962 /* pi/4 */

Definition at line 41 of file MathConstants.h.

◆ M_1_PI

#define M_1_PI   0.31830988618379067154 /* 1/pi */

Definition at line 42 of file MathConstants.h.

◆ M_2_PI

#define M_2_PI   0.63661977236758134308 /* 2/pi */

Definition at line 43 of file MathConstants.h.

◆ M_2_SQRTPI

#define M_2_SQRTPI   1.12837916709551257390 /* 2/sqrt(pi) */

Definition at line 44 of file MathConstants.h.

◆ M_SQRT2

#define M_SQRT2   1.41421356237309504880 /* sqrt(2) */

Definition at line 45 of file MathConstants.h.

◆ M_SQRT1_2

#define M_SQRT1_2   0.70710678118654752440 /* 1/sqrt(2) */

Definition at line 46 of file MathConstants.h.

◆ M_TWOPI

#define M_TWOPI   6.28318530717958647693

Definition at line 49 of file MathConstants.h.