3.288. __nv_tgammaf
Prototype:
float @__nv_tgammaf(float %x)
Description:
Calculate the gamma function of the input argument x, namely the value of .
Returns:
-
__nv_tgammaf( ) returns .
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__nv_tgammaf(2) returns +0.
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__nv_tgammaf(x) returns if the correctly calculated value is outside the double floating point range.
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__nv_tgammaf(x) returns NaN if x < 0.
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__nv_tgammaf( ) returns NaN.
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__nv_tgammaf( ) returns .
For accuracy information for this function see the CUDA C Programming Guide, Appendix D.1, Table 6.
Library Availability:
Compute 2.0: Yes
Compute 3.0: Yes
Compute 3.5: Yes