return XFLOAT (num)->data;
return (double) XINT (num);
}
+\f
+/* Trig functions. */
DEFUN ("acos", Facos, Sacos, 1, 1, 0,
"Return the inverse cosine of ARG.")
return make_float (d);
}
-DEFUN ("acosh", Facosh, Sacosh, 1, 1, 0,
- "Return the inverse hyperbolic cosine of ARG.")
+DEFUN ("asin", Fasin, Sasin, 1, 1, 0,
+ "Return the inverse sine of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = acosh (d), num);
+ IN_FLOAT (d = asin (d), num);
return make_float (d);
}
-DEFUN ("asin", Fasin, Sasin, 1, 1, 0,
- "Return the inverse sine of ARG.")
+DEFUN ("atan", Fatan, Satan, 1, 1, 0,
+ "Return the inverse tangent of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = asin (d), num);
+ IN_FLOAT (d = atan (d), num);
return make_float (d);
}
-DEFUN ("asinh", Fasinh, Sasinh, 1, 1, 0,
- "Return the inverse hyperbolic sine of ARG.")
+DEFUN ("cos", Fcos, Scos, 1, 1, 0,
+ "Return the cosine of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = asinh (d), num);
+ IN_FLOAT (d = cos (d), num);
return make_float (d);
}
-DEFUN ("atan", Fatan, Satan, 1, 1, 0,
- "Return the inverse tangent of ARG.")
+DEFUN ("sin", Fsin, Ssin, 1, 1, 0,
+ "Return the sine of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = atan (d), num);
+ IN_FLOAT (d = sin (d), num);
return make_float (d);
}
-DEFUN ("atanh", Fatanh, Satanh, 1, 1, 0,
- "Return the inverse hyperbolic tangent of ARG.")
+DEFUN ("tan", Ftan, Stan, 1, 1, 0,
+ "Return the tangent of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = atanh (d), num);
+ IN_FLOAT (d = tan (d), num);
return make_float (d);
}
\f
+#if 0 /* Leave these out unless we find there's a reason for them. */
+
DEFUN ("bessel-j0", Fbessel_j0, Sbessel_j0, 1, 1, 0,
"Return the bessel function j0 of ARG.")
(num)
IN_FLOAT (f2 = yn (i1, f2), num1);
return make_float (f2);
}
-\f
-DEFUN ("cube-root", Fcube_root, Scube_root, 1, 1, 0,
- "Return the cube root of ARG.")
- (num)
- register Lisp_Object num;
-{
- double d = extract_float (num);
- IN_FLOAT (d = cbrt (d), num);
- return make_float (d);
-}
-DEFUN ("cos", Fcos, Scos, 1, 1, 0,
- "Return the cosine of ARG.")
- (num)
- register Lisp_Object num;
-{
- double d = extract_float (num);
- IN_FLOAT (d = cos (d), num);
- return make_float (d);
-}
-
-DEFUN ("cosh", Fcosh, Scosh, 1, 1, 0,
- "Return the hyperbolic cosine of ARG.")
- (num)
- register Lisp_Object num;
-{
- double d = extract_float (num);
- IN_FLOAT (d = cosh (d), num);
- return make_float (d);
-}
+#endif
+\f
+#if 0 /* Leave these out unless we see they are worth having. */
DEFUN ("erf", Ferf, Serf, 1, 1, 0,
"Return the mathematical error function of ARG.")
return make_float (d);
}
-DEFUN ("exp", Fexp, Sexp, 1, 1, 0,
- "Return the exponential base e of ARG.")
- (num)
- register Lisp_Object num;
-{
- double d = extract_float (num);
- IN_FLOAT (d = exp (d), num);
- return make_float (d);
-}
-
-DEFUN ("expm1", Fexpm1, Sexpm1, 1, 1, 0,
- "Return the exp (x)-1 of ARG.")
- (num)
- register Lisp_Object num;
-{
- double d = extract_float (num);
- IN_FLOAT (d = expm1 (d), num);
- return make_float (d);
-}
-\f
DEFUN ("log-gamma", Flog_gamma, Slog_gamma, 1, 1, 0,
"Return the log gamma of ARG.")
(num)
return make_float (d);
}
-DEFUN ("log", Flog, Slog, 1, 1, 0,
- "Return the natural logarithm of ARG.")
+#endif
+\f
+DEFUN ("cube-root", Fcube_root, Scube_root, 1, 1, 0,
+ "Return the cube root of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = log (d), num);
+ IN_FLOAT (d = cbrt (d), num);
return make_float (d);
}
-DEFUN ("log10", Flog10, Slog10, 1, 1, 0,
- "Return the logarithm base 10 of ARG.")
+DEFUN ("exp", Fexp, Sexp, 1, 1, 0,
+ "Return the exponential base e of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = log10 (d), num);
+ IN_FLOAT (d = exp (d), num);
return make_float (d);
}
-DEFUN ("log1p", Flog1p, Slog1p, 1, 1, 0,
- "Return the log (1+x) of ARG.")
+DEFUN ("expm1", Fexpm1, Sexpm1, 1, 1, 0,
+ "Return the exp (x)-1 of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = log1p (d), num);
+ IN_FLOAT (d = expm1 (d), num);
return make_float (d);
}
DEFUN ("expt", Fexpt, Sexpt, 2, 2, 0,
- "Return the exponential x ** y.")
+ "Return the exponential X ** Y.")
(num1, num2)
register Lisp_Object num1, num2;
{
IN_FLOAT (f1 = pow (f1, f2), num1);
return make_float (f1);
}
-\f
-DEFUN ("sin", Fsin, Ssin, 1, 1, 0,
- "Return the sine of ARG.")
+
+DEFUN ("log", Flog, Slog, 1, 1, 0,
+ "Return the natural logarithm of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = sin (d), num);
+ IN_FLOAT (d = log (d), num);
return make_float (d);
}
-DEFUN ("sinh", Fsinh, Ssinh, 1, 1, 0,
- "Return the hyperbolic sine of ARG.")
+DEFUN ("log10", Flog10, Slog10, 1, 1, 0,
+ "Return the logarithm base 10 of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = sinh (d), num);
+ IN_FLOAT (d = log10 (d), num);
+ return make_float (d);
+}
+
+DEFUN ("log1p", Flog1p, Slog1p, 1, 1, 0,
+ "Return the log (1+x) of ARG.")
+ (num)
+ register Lisp_Object num;
+{
+ double d = extract_float (num);
+ IN_FLOAT (d = log1p (d), num);
return make_float (d);
}
IN_FLOAT (d = sqrt (d), num);
return make_float (d);
}
+\f
+#ifndef /* Not clearly worth adding. */
-DEFUN ("tan", Ftan, Stan, 1, 1, 0,
- "Return the tangent of ARG.")
+DEFUN ("acosh", Facosh, Sacosh, 1, 1, 0,
+ "Return the inverse hyperbolic cosine of ARG.")
(num)
register Lisp_Object num;
{
double d = extract_float (num);
- IN_FLOAT (d = tan (d), num);
+ IN_FLOAT (d = acosh (d), num);
+ return make_float (d);
+}
+
+DEFUN ("asinh", Fasinh, Sasinh, 1, 1, 0,
+ "Return the inverse hyperbolic sine of ARG.")
+ (num)
+ register Lisp_Object num;
+{
+ double d = extract_float (num);
+ IN_FLOAT (d = asinh (d), num);
+ return make_float (d);
+}
+
+DEFUN ("atanh", Fatanh, Satanh, 1, 1, 0,
+ "Return the inverse hyperbolic tangent of ARG.")
+ (num)
+ register Lisp_Object num;
+{
+ double d = extract_float (num);
+ IN_FLOAT (d = atanh (d), num);
+ return make_float (d);
+}
+
+DEFUN ("cosh", Fcosh, Scosh, 1, 1, 0,
+ "Return the hyperbolic cosine of ARG.")
+ (num)
+ register Lisp_Object num;
+{
+ double d = extract_float (num);
+ IN_FLOAT (d = cosh (d), num);
+ return make_float (d);
+}
+
+DEFUN ("sinh", Fsinh, Ssinh, 1, 1, 0,
+ "Return the hyperbolic sine of ARG.")
+ (num)
+ register Lisp_Object num;
+{
+ double d = extract_float (num);
+ IN_FLOAT (d = sinh (d), num);
return make_float (d);
}
IN_FLOAT (d = tanh (d), num);
return make_float (d);
}
+#endif
\f
DEFUN ("abs", Fabs, Sabs, 1, 1, 0,
"Return the absolute value of ARG.")
syms_of_floatfns ()
{
defsubr (&Sacos);
- defsubr (&Sacosh);
defsubr (&Sasin);
- defsubr (&Sasinh);
defsubr (&Satan);
+ defsubr (&Scos);
+ defsubr (&Ssin);
+ defsubr (&Stan);
+#if 0
+ defsubr (&Sacosh);
+ defsubr (&Sasinh);
defsubr (&Satanh);
+ defsubr (&Scosh);
+ defsubr (&Ssinh);
+ defsubr (&Stanh);
defsubr (&Sbessel_y0);
defsubr (&Sbessel_y1);
defsubr (&Sbessel_yn);
defsubr (&Sbessel_j0);
defsubr (&Sbessel_j1);
defsubr (&Sbessel_jn);
- defsubr (&Scube_root);
- defsubr (&Scos);
- defsubr (&Scosh);
defsubr (&Serf);
defsubr (&Serfc);
+ defsubr (&Slog_gamma);
+#endif
+ defsubr (&Scube_root);
defsubr (&Sexp);
defsubr (&Sexpm1);
- defsubr (&Slog_gamma);
+ defsubr (&Sexpt);
defsubr (&Slog);
defsubr (&Slog10);
defsubr (&Slog1p);
- defsubr (&Sexpt);
- defsubr (&Ssin);
- defsubr (&Ssinh);
defsubr (&Ssqrt);
- defsubr (&Stan);
- defsubr (&Stanh);
defsubr (&Sabs);
defsubr (&Sfloat);