core_shell_microgelscostrafo411magnetic_modelrelease_v0.94release_v0.95ticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
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Last change
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ad9af31,
checked in by wojciech, 8 years ago
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Gamma checked in
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File size:
376 bytes
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| 1 | /* |
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| 2 | The wrapper for gamma function from OpenCL and standard libraries |
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| 3 | The OpenCL gamma function fails misserably on values lower than 1.0 |
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| 4 | while works fine on larger values. |
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| 5 | We use gamma definition Gamma(t + 1) = t * Gamma(t) to compute |
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| 6 | to function for values lower than 1.0. Namely Gamma(t) = 1/t * Gamma(t + 1) |
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| 7 | */ |
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| 8 | |
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| 9 | |
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| 10 | inline double sas_gamma( double x) { return tgamma(x+1)/x; } |
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