1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL, 2002-07-27 Walter Harms
.\"
.TH FMA 3 2002-07-27 "" "Linux Programmer's Manual"
.SH NAME
fma, fmaf, fmal \- floating-point multiply and add
.SH SYNOPSIS
.nf
.B #include <math.h>
.sp
.BI "double fma(double " x ", double " y ", double " z );
.sp
.BI "float fmaf(float " x ", float " y ", float " z );
.sp
.BI "long double fmal(long double " x ", long double " y ", long double " z );
.fi
.sp
Link with \-lm.
.SH DESCRIPTION
The
.B fma()
function computes
.IR x " * " y " + " z .
The result is rounded according to the
rounding mode determined by the value of FLT_ROUNDS.
.SH "CONFORMING TO"
C99
.SH "SEE ALSO"
.BR remainder (3),
.BR remquo (3)
|
