ABOUT: "math.libm"
HELP: facos
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the inverse trigonometric cosine function from the C standard library. User code should call " { $link acos } " instead." } ;
HELP: fasin
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the inverse trigonometric sine function from the C standard library. User code should call " { $link asin } " instead." } ;
HELP: fatan
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the inverse trigonometric tangent function from the C standard library. User code should call " { $link atan } " instead." } ;
HELP: fatan2
-{ $values { "x" real } { "y" real } { "z" real } }
+{ $values { "x" real } { "y" real } { "double" real } }
{ $description "Calls the two-parameter inverse trigonometric tangent function from the C standard library. User code should call " { $link arg } " instead." } ;
HELP: fcos
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the trigonometric cosine function from the C standard library. User code should call " { $link cos } " instead." } ;
HELP: fsin
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the trigonometric sine function from the C standard library. User code should call " { $link sin } " instead." } ;
HELP: fcosh
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the hyperbolic cosine function from the C standard library. User code should call " { $link cosh } " instead." } ;
HELP: fsinh
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the hyperbolic sine function from the C standard library. User code should call " { $link sinh } " instead." } ;
HELP: fexp
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the exponential function (" { $snippet "y=e^x" } " from the C standard library. User code should call " { $link exp } " instead." } ;
HELP: flog
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the natural logarithm function from the C standard library. User code should call " { $link log } " instead." } ;
HELP: flog10
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the base 10 logarithm function from the C standard library. User code should call " { $link log10 } " instead." } ;
HELP: fpow
-{ $values { "x" real } { "y" real } { "z" real } }
+{ $values { "x" real } { "y" real } { "double" real } }
{ $description "Calls the power function (" { $snippet "z=x^y" } ") from the C standard library. User code should call " { $link ^ } " instead." } ;
HELP: fsqrt
-{ $values { "x" real } { "y" real } }
+{ $values { "x" real } { "double" real } }
{ $description "Calls the square root function from the C standard library. User code should call " { $link sqrt } " instead." } ;
! Copyright (C) 2006 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
-USING: alien alien.c-types ;
+USING: alien alien.c-types alien.syntax ;
IN: math.libm
-: facos ( x -- y )
- double "libm" "acos" { double } alien-invoke ;
+LIBRARY: libm
-: fasin ( x -- y )
- double "libm" "asin" { double } alien-invoke ;
+FUNCTION-ALIAS: facos
+ double acos ( double x ) ;
-: fatan ( x -- y )
- double "libm" "atan" { double } alien-invoke ;
+FUNCTION-ALIAS: fasin
+ double asin ( double x ) ;
-: fatan2 ( x y -- z )
- double "libm" "atan2" { double double } alien-invoke ;
+FUNCTION-ALIAS: fatan
+ double atan ( double x ) ;
-: fcos ( x -- y )
- double "libm" "cos" { double } alien-invoke ;
+FUNCTION-ALIAS: fatan2
+ double atan2 ( double x, double y ) ;
-: fsin ( x -- y )
- double "libm" "sin" { double } alien-invoke ;
+FUNCTION-ALIAS: fcos
+ double cos ( double x ) ;
-: ftan ( x -- y )
- double "libm" "tan" { double } alien-invoke ;
+FUNCTION-ALIAS: fsin
+ double sin ( double x ) ;
-: fcosh ( x -- y )
- double "libm" "cosh" { double } alien-invoke ;
+FUNCTION-ALIAS: ftan
+ double tan ( double x ) ;
-: fsinh ( x -- y )
- double "libm" "sinh" { double } alien-invoke ;
+FUNCTION-ALIAS: fcosh
+ double cosh ( double x ) ;
-: ftanh ( x -- y )
- double "libm" "tanh" { double } alien-invoke ;
+FUNCTION-ALIAS: fsinh
+ double sinh ( double x ) ;
-: fexp ( x -- y )
- double "libm" "exp" { double } alien-invoke ;
+FUNCTION-ALIAS: ftanh
+ double tanh ( double x ) ;
-: flog ( x -- y )
- double "libm" "log" { double } alien-invoke ;
+FUNCTION-ALIAS: fexp
+ double exp ( double x ) ;
-: flog10 ( x -- y )
- double "libm" "log10" { double } alien-invoke ;
+FUNCTION-ALIAS: flog
+ double log ( double x ) ;
-: fpow ( x y -- z )
- double "libm" "pow" { double double } alien-invoke ;
+FUNCTION-ALIAS: flog10
+ double log10 ( double x ) ;
-: fsqrt ( x -- y )
- double "libm" "sqrt" { double } alien-invoke ;
+FUNCTION-ALIAS: fpow
+ double pow ( double x, double y ) ;
+
+FUNCTION-ALIAS: fsqrt
+ double sqrt ( double x ) ;
! Windows doesn't have these...
-: flog1+ ( x -- y )
- double "libm" "log1p" { double } alien-invoke ;
+FUNCTION-ALIAS: flog1+
+ double log1p ( double x ) ;
-: facosh ( x -- y )
- double "libm" "acosh" { double } alien-invoke ;
+FUNCTION-ALIAS: facosh
+ double acosh ( double x ) ;
-: fasinh ( x -- y )
- double "libm" "asinh" { double } alien-invoke ;
+FUNCTION-ALIAS: fasinh
+ double asinh ( double x ) ;
-: fatanh ( x -- y )
- double "libm" "atanh" { double } alien-invoke ;
+FUNCTION-ALIAS: fatanh
+ double atanh ( double x ) ;