Return to exp.3 CVS log

Up to [CSRG BSD Unix] / 43BSDReno / old / libm / man

Annotation of 43BSDReno/old/libm/man/exp.3, revision 1.1.1.1

1.1       root        1: .\"    @(#)exp.3       6.2 (Berkeley) 6/6/85
                      2: .\"
                      3: .TH EXP 3M  "June 6, 1985"
                      4: .AT 3
                      5: .SH NAME
                      6: exp, log, log10, pow, sqrt \- exponential, logarithm, power, square root
                      7: .SH SYNOPSIS
                      8: .nf
                      9: .B #include <math.h>
                     10: .PP
                     11: .B double exp(x)
                     12: .B double x;
                     13: .PP
                     14: .B double log(x)
                     15: .B double x;
                     16: .PP
                     17: .B double log10(x)
                     18: .B double x;
                     19: .PP
                     20: .B double pow(x, y)
                     21: .B double x, y;
                     22: .PP
                     23: .B double sqrt(x)
                     24: .B double x;
                     25: .fi
                     26: .SH DESCRIPTION
                     27: .I Exp
                     28: returns the exponential function of 
                     29: .I x.
                     30: .PP
                     31: .I Log
                     32: returns the natural logarithm of 
                     33: .IR x ;
                     34: .I log10
                     35: returns the base 10 logarithm.
                     36: .PP
                     37: .I Pow
                     38: returns
                     39: .if n \
                     40: .I x**y.
                     41: .if t \
                     42: .I  x\u\s8y\s10\d.
                     43: .PP
                     44: .I Sqrt
                     45: returns the square root of 
                     46: .I x.
                     47: .SH SEE ALSO
                     48: hypot(3M),
                     49: sinh(3M),
                     50: intro(3M)
                     51: .SH DIAGNOSTICS
                     52: .I Exp
                     53: and
                     54: .I pow
                     55: return a huge value when the correct value would overflow;
                     56: .I errno
                     57: is set to ERANGE.
                     58: .I Pow
                     59: returns 0 and sets
                     60: .I errno
                     61: to EDOM when the first argument is negative and the second is non-integral or
                     62: when first argument is 0 and the second is less than or equal to 0.
                     63: .PP
                     64: .I Log
                     65: returns 0 when
                     66: .I x
                     67: is zero or negative;
                     68: .I errno
                     69: is set to EDOM.
                     70: .PP
                     71: .I Sqrt
                     72: returns 0 when 
                     73: .I x
                     74: is negative;
                     75: .I errno
                     76: is set to EDOM.

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.