diff options
Diffstat (limited to 'newlib/libm/mathfp/s_floor.c')
-rw-r--r-- | newlib/libm/mathfp/s_floor.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/newlib/libm/mathfp/s_floor.c b/newlib/libm/mathfp/s_floor.c deleted file mode 100644 index 0dbc207..0000000 --- a/newlib/libm/mathfp/s_floor.c +++ /dev/null @@ -1,92 +0,0 @@ - -/* @(#)z_floor.c 1.0 98/08/13 */ - -/* -FUNCTION -<<floor>>, <<floorf>>, <<ceil>>, <<ceilf>>---floor and ceiling -INDEX - floor -INDEX - floorf -INDEX - ceil -INDEX - ceilf - -ANSI_SYNOPSIS - #include <math.h> - double floor(double <[x]>); - float floorf(float <[x]>); - double ceil(double <[x]>); - float ceilf(float <[x]>); - -TRAD_SYNOPSIS - #include <math.h> - double floor(<[x]>) - double <[x]>; - float floorf(<[x]>) - float <[x]>; - double ceil(<[x]>) - double <[x]>; - float ceilf(<[x]>) - float <[x]>; - -DESCRIPTION -<<floor>> and <<floorf>> find -@tex -$\lfloor x \rfloor$, -@end tex -the nearest integer less than or equal to <[x]>. -<<ceil>> and <<ceilf>> find -@tex -$\lceil x\rceil$, -@end tex -the nearest integer greater than or equal to <[x]>. - -RETURNS -<<floor>> and <<ceil>> return the integer result as a double. -<<floorf>> and <<ceilf>> return the integer result as a float. - -PORTABILITY -<<floor>> and <<ceil>> are ANSI. -<<floorf>> and <<ceilf>> are extensions. - -*/ - -/***************************************************************** - * floor - * - * Input: - * x - floating point value - * - * Output: - * Smallest integer less than x. - * - * Description: - * This routine returns the smallest integer less than x. - * - *****************************************************************/ - -#include "fdlibm.h" -#include "zmath.h" - -#ifndef _DOUBLE_IS_32BITS - -double -_DEFUN (floor, (double), - double x) -{ - double f, y; - - if (x > -1.0 && x < 1.0) - return (x >= 0 ? 0 : -1.0); - - y = modf (x, &f); - - if (y == 0.0) - return (x); - - return (x >= 0 ? f : f - 1.0); -} - -#endif /* _DOUBLE_IS_32BITS */ |