Annotation of OpenXM/src/asir-doc/parts/builtin/numeric.texi, Revision 1.2
1.2 ! ohara 1: @comment $OpenXM: OpenXM/src/asir-doc/parts/builtin/numeric.texi,v 1.1 2003/12/20 13:38:44 ohara Exp $
1.1 ohara 2: \BJP
3: @node $B?tCMH!?t(B,,, $BAH$_9~$_H!?t(B
4: @section $B?tCMH!?t(B
5: \E
6: \BEG
7: @node Numerical functions,,, Built-in Function
8: @section Numerical functions
9: \E
10:
11: @menu
12: * dacos dasin datan dcos dsin dtan::
13: * dabs dexp dlog dsqrt::
14: * ceil floor rint dceil dfloor drint::
15: @end menu
16:
17: \JP @node dacos dasin datan dcos dsin dtan,,, $B?tCMH!?t(B
18: \EG @node dacos dasin datan dcos dsin dtan,,, Numerical functions
19: @subsection @code{dacos}, @code{dasin}, @code{datan}, @code{dcos}, @code{dsin}, @code{dtan}
20: @findex dacos
21: @findex dasin
22: @findex datan
23: @findex dcos
24: @findex dsin
25: @findex dtan
26:
27: @table @t
28: @item dacos(@var{num})
29: \JP :: $BH!?tCM(B Arccos(@var{num}) $B$r5a$a$k(B.
30: \EG :: Get the value of Arccos of @var{num}.
31: @item dasin(@var{num})
32: \JP :: $BH!?tCM(B Arcsin(@var{num}) $B$r5a$a$k(B.
33: \EG :: Get the value of Arcsin of @var{num}.
34: @item datan(@var{num})
35: \JP :: $BH!?tCM(B Arctan(@var{num}) $B$r5a$a$k(B.
36: \EG :: Get the value of Arctan of @var{num}.
37: @item dcos(@var{num})
38: \JP :: $BH!?tCM(B cos(@var{num}) $B$r5a$a$k(B.
39: \EG :: Get the value of cos of @var{num}.
40: @item dsin(@var{num})
41: \JP :: $BH!?tCM(B sin(@var{num}) $B$r5a$a$k(B.
42: \EG :: Get the value of sin of @var{num}.
43: @item dtan(@var{num})
44: \JP :: $BH!?tCM(B tan(@var{num}) $B$r5a$a$k(B.
45: \EG :: Get the value of tan of @var{num}.
46: @end table
47:
48: @table @var
49: @item return
50: \JP $BG\@:EYIbF0>.?t(B
51: \EG floating point number
52: @item num
53: \JP $B?t(B
54: \EG number
55: @end table
56:
57: @itemize @bullet
58: \BJP
59: @item
60: $B;03Q4X?t!"5U;03Q4X?t$r?tCME*$K7W;;$9$k(B.
61: @item
62: $B$3$l$i$NH!?t$O(B C $B8@8l$NI8=`?t3X%i%$%V%i%j$rMQ$$$k(B.
63: $B$7$?$,$C$F(B, $B7W;;7k2L$O%*%Z%l!<%F%#%s%0%7%9%F%`$H%3%s%Q%$%i$K0MB8$9$k(B.
64: @item
1.2 ! ohara 65: $BJ#AG?t$KBP$7$F$O@5$7$/$J$$7k2L$rJV$9$N$GCm0U$7$J$1$l$P$J$i$J$$(B.
! 66: @item
! 67: @@pi $B$J$I$N%7%s%\%k$r0z?t$KM?$($k$3$H$O$G$-$J$$(B.
1.1 ohara 68: \E
69: \BEG
70: @item
71: Compute numerical values of trigonometric functions.
72: @item
73: These functions use the standard mathematical library of C language.
74: So results depend on operating systems and a C compilers.
75: \E
76: @end itemize
77:
78: @example
79: [0] 4*datan(1);
80: 3.14159
81: @end example
82:
83: \JP @node dabs dexp dlog dsqrt,,, $B?tCMH!?t(B
84: \EG @node dabs dexp dlog dsqrt,,, Numerical functions
85: @subsection @code{dabs}, @code{dexp}, @code{dlog}, @code{dsqrt}
86: @findex dabs
87: @findex dexp
88: @findex dlog
89: @findex dsqrt
90:
91: @table @t
92: @item dabs(@var{num})
93: \JP :: $B@dBPCM(B |@var{num}| $B$r5a$a$k(B.
94: \EG :: Get the absolute value of @var{num}.
95: @item dexp(@var{num})
96: \JP :: $BH!?tCM(B exp(@var{num}) $B$r5a$a$k(B.
97: \EG :: Get the value of expornent of @var{num}.
98: @item dlog(@var{num})
99: \JP :: $BBP?tCM(B log(@var{num}) $B$r5a$a$k(B.
100: \EG :: Get the value of logarithm of @var{num}.
101: @item dsqrt(@var{num})
102: \JP :: $BJ?9T:,(B sqrt(@var{num}) $B$r5a$a$k(B.
103: \EG :: Get the value of square root of @var{num}.
104: @end table
105:
106: @table @var
107: @item return
108: \JP $BG\@:EYIbF0>.?t(B
109: \EG floating point number
110: @item num
111: \JP $B?t(B
112: \EG number
113: @end table
114:
115: @itemize @bullet
116: \BJP
117: @item
118: $B=iEyH!?t$r?tCME*$K7W;;$9$k(B.
119: @item
120: $B$3$l$i$NH!?t$O(B C $B8@8l$NI8=`?t3X%i%$%V%i%j$rMQ$$$k(B.
121: $B$7$?$,$C$F(B, $B7W;;7k2L$O%*%Z%l!<%F%#%s%0%7%9%F%`$H%3%s%Q%$%i$K0MB8$9$k(B.
122: @item
1.2 ! ohara 123: @code{dabs()}$B$H(B@code{dsqrt()}$B$r=|$-!"(B
! 124: $BJ#AG?t$KBP$7$F$O@5$7$/$J$$7k2L$rJV$9$N$GCm0U$7$J$1$l$P$J$i$J$$(B.
! 125: @item
! 126: @@pi $B$J$I$N%7%s%\%k$r0z?t$KM?$($k$3$H$O$G$-$J$$(B.
1.1 ohara 127: \E
128: \BEG
129: @item
130: Compute numerical values of elementary functions.
131: @item
132: These functions use the standard mathematical library of C language.
133: So results depend on operating systems and a C compilers.
134: \E
135: @end itemize
136:
137: @example
138: [0] dexp(1);
139: 2.71828
140: @end example
141:
142: \JP @node ceil floor rint dceil dfloor drint,,, $B?tCMH!?t(B
143: \EG @node ceil floor rint dceil dfloor drint,,, Numerical functions
144: @subsection @code{ceil}, @code{floor}, @code{rint}, @code{dceil}, @code{dfloor}, @code{drint}
145: @findex ceil
146: @findex floor
147: @findex rint
148: @findex dceil
149: @findex dfloor
150: @findex drint
151:
152: @table @t
153: @item ceil(@var{num})
154: @item dceil(@var{num})
155: \JP :: @var{num} $B$h$jBg$-$$:G>.$N@0?t$r5a$a$k(B.
156: \EG :: Get the ceiling integer of @var{num}.
157: @item floor(@var{num})
158: @item dfloor(@var{num})
159: \JP :: @var{num} $B$h$j>.$5$$:GBg$N@0?t$r5a$a$k(B.
160: \EG :: Get the floor integer of @var{num}.
161: @item rint(@var{num})
162: @item drint(@var{num})
163: \JP :: @var{num} $B$r@0?t$K$^$k$a$k(B.
164: \EG :: Get the round integer of @var{num}.
165: @end table
166:
167: @table @var
168: @item return
169: \JP $B@0?t(B
170: \EG integer
171: @item num
172: \JP $B?t(B
173: \EG number
174: @end table
175:
176: @itemize @bullet
177: \BJP
178: @item
179: @code{dceil}, @code{dfloor}, @code{drint} $B$O(B
180: @code{ceil}, @code{floor}, @code{rint} $B$NJLL>$G$"$k(B.
181: @item
182: $BIbF0>.?t$r@0?t$K$^$k$a$kJ}K!$O(B, $B%*%Z%l!<%F%#%s%0%7%9%F%`$H%3%s%Q%$%i$K0MB8$9$k(B.
183: @item
1.2 ! ohara 184: $BJ#AG?t$KBP$7$F$O@5$7$/$J$$7k2L$rJV$9$N$GCm0U$7$J$1$l$P$J$i$J$$(B.
! 185: @item
! 186: @@pi $B$J$I$N%7%s%\%k$r0z?t$KM?$($k$3$H$O$G$-$J$$(B.
1.1 ohara 187: \E
188: @end itemize
189:
190: @example
191: [0] dceil(1.1);
192: 1
193: @end example
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