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home | helpTRUNC(3) BSD Library Functions Manual TRUNC(3) NAME trunc, truncf, truncl -- nearest integral value with magnitude less than or equal to |x| LIBRARY Math Library (libm, -lm) SYNOPSIS #include <math.h> double trunc(double x); float truncf(float x); long double truncl(long double x); DESCRIPTION The trunc(), truncf(), and truncl() functions return the nearest integral value with magnitude less than or equal to |x|. They are equivalent to rint(), rintf(), and rintl() respectively, in the FP_RZ rounding mode. SEE ALSO ceil(3), floor(3), fpsetround(3), math(3), nextafter(3), rint(3), round(3) STANDARDS The trunc(), truncf(), and truncl() functions conform to ISO/IEC 9899:1999 ("ISO C99"). BSD November 13, 2013 BSD
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