source:
ThirdParty/mpqc_open/src/lib/util/misc/math.h@
a844d8
| Last change on this file since a844d8 was 860145, checked in by , 8 years ago | |
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| File size: 327 bytes | |
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| 1 | |
| 2 | #ifndef _util_misc_math_h |
| 3 | #define _util_misc_math_h |
| 4 | |
| 5 | #include <math.h> |
| 6 | |
| 7 | #ifndef M_PI |
| 8 | # define M_PI 3.14159265358979323846 /* pi */ |
| 9 | #endif |
| 10 | |
| 11 | #ifndef M_LN2 |
| 12 | # define M_LN2 0.69314718055994530942 /* log_e 2 */ |
| 13 | #endif |
| 14 | |
| 15 | #ifndef M_PI_2 |
| 16 | # define M_PI_2 1.57079632679489661923 /* pi/2 */ |
| 17 | #endif |
| 18 | |
| 19 | #endif |
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