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| author | shmel1k <shmel1k@ydb.tech> | 2022-09-02 12:44:59 +0300 |
|---|---|---|
| committer | shmel1k <shmel1k@ydb.tech> | 2022-09-02 12:44:59 +0300 |
| commit | 90d450f74722da7859d6f510a869f6c6908fd12f (patch) | |
| tree | 538c718dedc76cdfe37ad6d01ff250dd930d9278 /contrib/libs/libf2c/c_log.c | |
| parent | 01f64c1ecd0d4ffa9e3a74478335f1745f26cc75 (diff) | |
| download | ydb-90d450f74722da7859d6f510a869f6c6908fd12f.tar.gz | |
[] add metering mode to CLI
Diffstat (limited to 'contrib/libs/libf2c/c_log.c')
| -rw-r--r-- | contrib/libs/libf2c/c_log.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/contrib/libs/libf2c/c_log.c b/contrib/libs/libf2c/c_log.c new file mode 100644 index 0000000000..a0ba3f0d8d --- /dev/null +++ b/contrib/libs/libf2c/c_log.c @@ -0,0 +1,23 @@ +#include "f2c.h" + +#ifdef KR_headers +extern double log(), f__cabs(), atan2(); +VOID c_log(r, z) complex *r, *z; +#else +#undef abs +#include "math.h" +#ifdef __cplusplus +extern "C" { +#endif +extern double f__cabs(double, double); + +void c_log(complex *r, complex *z) +#endif +{ + double zi, zr; + r->i = atan2(zi = z->i, zr = z->r); + r->r = log( f__cabs(zr, zi) ); + } +#ifdef __cplusplus +} +#endif |