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add M_PI definition if unavailable (e.g. in Windows)

release/4.3a0
Varun Agrawal 2023-12-28 10:35:44 -05:00
parent 3cde40ddc8
commit 5806f5f98c
1 changed files with 4 additions and 0 deletions
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4
gtsam/3rdparty/cephes/cephes/mconf.h vendored
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@ -102,6 +102,10 @@
#define cephes_isfinite(x) isfinite(x)
#endif
#if !defined(M_PI)
#define M_PI 3.14159265358979323846
#endif
/* Constants needed that are not available in the C standard library */
#define SCIPY_EULER 0.577215664901532860606512090082402431 /* Euler constant */
#define SCIPY_El 2.718281828459045235360287471352662498L /* e as long double */