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floorf(3) [osx man page]

FLOOR(3)						   BSD Library Functions Manual 						  FLOOR(3)

NAME
floor -- round to largest integral value not greater than x SYNOPSIS
#include <math.h> double floor(double x); long double floorl(long double x); float floorf(float x); DESCRIPTION
The floor() functions return the largest integral value less than or equal to x. SPECIAL VALUES
floor(+-0) returns +-0. floor(+-infinity) returns +-infinity. VECTOR OPERATIONS
If you need to apply the floor() 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 vfloorf(vFloat x); void vvfloorf(float *y, const float *x, const int *n); void vvfloor(double *y, const double *x, const int *n); SEE ALSO
ceil(3), round(3), trunc(3), math(3) STANDARDS
The floor() functions conform to ISO/IEC 9899:2011. BSD
December 11, 2006 BSD

Check Out this Related Man Page

SIN(3)							   BSD Library Functions Manual 						    SIN(3)

NAME
sin -- sine function SYNOPSIS
#include <math.h> double sin(double x); long double sinl(long double x); float sinf(float x); DESCRIPTION
The sin() function computes the sine of x (measured in radians). SPECIAL VALUES
sin(+-0) returns +-0. sin(+-infinity) returns a NaN and raises the "invalid" floating-point exception. VECTOR OPERATIONS
If you need to apply the sin() 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 vsinf(vFloat x); vFloat vsincosf(vFloat x, vFloat *c); void vvsinf(float *y, const float *x, const int *n); void vvsin(double *y, const double *x, const int *n); void vvsincosf(float *s, float *c, const float *x, const int *n); void vvsincos(double *s, double *c, const double *x, const int *n); SEE ALSO
acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), sinh(3), tan(3), tanh(3), math(3) STANDARDS
The sin() function conforms to ISO/IEC 9899:2011. BSD
December 11, 2006 BSD
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