| # | Line 46 | Line 46 | extern double atan2a(double y, double x); | |
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| 46 | #define ttan(x) (tsin(x)/tcos(x)) | |
| 47 | #endif | |
| 48 | ||
| 49 | < | #ifdef _WIN32 |
| 49 | > | /* VC 2015 has those defined (XXX possibly earlier?) */ |
| 50 | > | #if ((defined(_WIN32) || defined(_WIN64)) \ |
| 51 | > | && (!defined(_MS_VER) || _MS_VER < 1900)) |
| 52 | extern double erf(double x); | |
| 53 | extern double erfc(double x); | |
| 54 | #endif | |
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