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HP-UX Reference > C
cotd(3M)Itanium(R)-based System OnlyHP-UX 11i Version 2: December 2007 Update |
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NAMEcotd(), cotdf(), cotdl(), cotdw(), cotdq() — cotangent functions of an argument specified in degrees SYNOPSIS#include <math.h> double cotd(double x); float cotdf(float x); long double cotdl(long double x); extended cotdw(extended x); quad cotdq(quad x); DESCRIPTIONThese functions are available only for Itanium-based systems. cotd() returns the cotangent of x (x specified in degrees). cotdf() is a float version of cotd(); it takes a float argument and returns a float result. cotdl() is a long double version of cotd(); it takes a long double argument and returns a long double result. cotdw() is an extended version of cotd(); it takes an extended argument and returns an extended result. cotdq() is equivalent to cotdl() on HP-UX systems. USAGETo use these functions compile either with the default -Ae option or with the -Aa and -D_HPUX_SOURCE options. To use cotdw() or cotdq(), compile also with the -fpwidetypes option. To use any of these functions, make sure your program includes <math.h>, and link in the math library by specifying -lm on the compiler or linker command line. |
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