ceilf man page on Darwin

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CEIL(3)			 BSD Library Functions Manual		       CEIL(3)

NAME
     ceil — round to smallest integral value not less than x

SYNOPSIS
     #include <math.h>

     double
     ceil(double x);

     long double
     ceill(long double x);

     float
     ceilf(float x);

DESCRIPTION
     The ceil() functions return the smallest integral value greater than or
     equal to x.

SPECIAL VALUES
     ceil(�0) returns �0.

     ceil(�infinity) returns �infinity.

VECTOR OPERATIONS
     If you need to apply the ceil() function to SIMD vectors or arrays, using
     the following functions provided by the Accelerate.framework may give
     significantly better performance:

     #include <Accelerate/Accelerate.h>

     vFloat vceilf(vFloat x);
     void vvceilf(float *y, const float *x, const int *n);
     void vvceil(double *y, const double *x, const int *n);

SEE ALSO
     floor(3), round(3), trunc(3), math(3)

STANDARDS
     The ceil() functions conform to ISO/IEC 9899:2011.

BSD			       December 11, 2006			   BSD
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