From f95a4a932476be2ba99e2fd081e8d2bc6ea12813 Mon Sep 17 00:00:00 2001 From: PikalaxALT Date: Fri, 15 Dec 2017 09:38:53 -0500 Subject: Import newlib and create makefile --- newlib/libm/mathfp/s_ceil.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 newlib/libm/mathfp/s_ceil.c (limited to 'newlib/libm/mathfp/s_ceil.c') diff --git a/newlib/libm/mathfp/s_ceil.c b/newlib/libm/mathfp/s_ceil.c new file mode 100644 index 0000000..c6ecbe3 --- /dev/null +++ b/newlib/libm/mathfp/s_ceil.c @@ -0,0 +1,38 @@ + +/* @(#)z_ceil.c 1.0 98/08/13 */ +/***************************************************************** + * ceil + * + * Input: + * x - floating point value + * + * Output: + * Smallest integer greater than x. + * + * Description: + * This routine returns the smallest integer greater than x. + * + *****************************************************************/ + +#include "fdlibm.h" +#include "zmath.h" + +#ifndef _DOUBLE_IS_32BITS + +double +_DEFUN (ceil, (double), + double x) +{ + double f, y; + + y = modf (x, &f); + + if (y == 0.0) + return (x); + else if (x > -1.0 && x < 1.0) + return (x > 0 ? 1.0 : 0.0); + else + return (x > 0 ? f + 1.0 : f); +} + +#endif /* _DOUBLE_IS_32BITS */ -- cgit v1.2.3