.\" Copyright (c) 1983 Regents of the University of California. .\" All rights reserved. The Berkeley software License Agreement .\" specifies the terms and conditions for redistribution. .\" .\" @(#)intro.3 6.1 (Berkeley) 05/15/85 .\" .TH INTRO 3M "" .UC 5 .SH NAME intro \- introduction to mathematical library functions .SH DESCRIPTION These functions constitute the math library, .I libm. They are automatically loaded as needed by the Fortran compiler .IR f77 (1). The link editor searches this library under the \*(lq\-lm\*(rq option. Declarations for these functions may be obtained from the include file .RI < math.h >. .SH "LIST OF FUNCTIONS" .sp 2 .nf .ta \w'atan2'u+2n +\w'gamma.3m'u+10n \fIName\fP \fIAppears on Page\fP \fIDescription\fP .ta \w'atan2'u+4n +\w'gamma.3m'u+4n .sp 5p acos sin.3m trigonometric functions asin sin.3m trigonometric functions atan sin.3m trigonometric functions atan2 sin.3m trigonometric functions cabs hypot.3m Euclidean distance ceil floor.3m absolute value, floor, ceiling functions cos sin.3m trigonometric functions cosh sinh.3m hyperbolic functions exp exp.3m exponential, logarithm, power, square root fabs floor.3m absolute value, floor, ceiling functions floor floor.3m absolute value, floor, ceiling functions gamma gamma.3m log gamma function hypot hypot.3m Euclidean distance j0 j0.3m bessel functions j1 j0.3m bessel functions jn j0.3m bessel functions log exp.3m exponential, logarithm, power, square root log10 exp.3m exponential, logarithm, power, square root pow exp.3m exponential, logarithm, power, square root sin sin.3m trigonometric functions sinh sinh.3m hyperbolic functions sqrt exp.3m exponential, logarithm, power, square root tan sin.3m trigonometric functions tanh sinh.3m hyperbolic functions y0 j0.3m bessel functions y1 j0.3m bessel functions yn j0.3m bessel functions .fi