CrossWorks for ARM User Guide

atanhfSynopsisDescriptionFast math librarybehaviorIEC 60559 mathlibrary behaviorPortability#include float atanhf(float val)atanhf returns the inverse hyperbolic tangent of val.If |x| ? 1, errno is set to EDOM and atanhf returns HUGE_VALF.If |val| > 1 atanhf returns NaN with signal.If val is NaN, atanhf returns that NaN with no signal.If val is 1, atanhf returns Infinity with signal.If val is -1, atanhf returns -Infinity with signal.atanhf conforms to ISO/IEC 9899:1999 (C99).cbrtSynopsis#include double cbrt(double x);Description cbrt computes the cube root of x.Portabilitycbrt conforms to ISO/IEC 9899:1999 (C99).cbrtfSynopsis#include float cbrt(float x);Description cbrtf computes the cube root of x.Portabilitycbrtf conforms to ISO/IEC 9899:1999 (C99).ceilSynopsis#include double ceil(double x);Description ceil computes the smallest integer value not less than x.IEC 60559 mathlibrary behaviorPortabilityceil(0) is 0.ceil(Infinity) is Infinity.ceil conforms to ISO/IEC 9899:1990 (C90) and ISO/IEC 9899:1999 (C99).260 Chapter 28 Standard C Library Reference