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Merge pull request #826 from RcppCore/feature/Rmath_header_cleanup
comment-out R::pythag
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‎ChangeLog

Lines changed: 12 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,19 @@
1+
2018-03-01 Dirk Eddelbuettel <[email protected]>
2+
3+
* inst/include/Rcpp/sugar/functions/complex.h (Rcpp): Remove RCPP_HYPOT
4+
macro and use ::hypot() throught as it is provided with C99
5+
6+
* inst/include/Rcpp/sugar/undoRmath.h: Also uncomment pythag here
7+
8+
2018-02-28 Dirk Eddelbuettel <[email protected]>
9+
10+
* inst/include/Rcpp/Rmath.h (R): Rf_pythag has been remove in R 2.14.0
11+
so comment-out the R::pythag wrapper (per request of Brian Ripley)
12+
113
2018-02-26 Kevin Ushey <[email protected]>
214

315
* src/api.cpp: Always set / put RNG state when calling Rcpp function
416

5-
617
2018-02-25 Dirk Eddelbuettel <[email protected]>
718

819
* vignettes/Rcpp.bib: Updated

‎inst/NEWS.Rd

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,9 @@
1010
\item Rcpp now sets and puts the RNG state upon each entry to an Rcpp
1111
function, ensuring that nested invocations of Rcpp functions manage the
1212
RNG state as expected
13+
\item The \code{R::pythag} wrapper has been commented out; the underlying
14+
function has been gone from R since 2.14.0, and \code{::hypot()} (part of
15+
C99) is now used unconditionally for complex numbers.
1316
}
1417
\itemize{
1518
\item The \code{long long} type can now be used on 64-bit Windows (Kevin

‎inst/include/Rcpp/Rmath.h

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -219,7 +219,8 @@ namespace R {
219219
#ifndef HAVE_HYPOT
220220
inline double hypot(double a, double b) { return ::Rf_hypot(a, b); }
221221
#endif
222-
inline double pythag(double a, double b) { return ::Rf_pythag(a, b); }
222+
/* Gone since R 2.14.0 according to Brian Ripley and is now comment out per his request */
223+
/* inline double pythag(double a, double b) { return ::Rf_pythag(a, b); } */
223224
#ifndef HAVE_EXPM1
224225
inline double expm1(double x); /* = exp(x)-1 {care for small x} */ { return ::Rf_expm1(x); }
225226
#endif

‎inst/include/Rcpp/sugar/functions/complex.h

Lines changed: 115 additions & 126 deletions
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,7 @@
22
//
33
// complex.h: Rcpp R/C++ interface class library -- complex
44
//
5-
// Copyright (C) 2010 - 2011 Dirk Eddelbuettel and Romain Francois
5+
// Copyright (C) 2010 - 2018 Dirk Eddelbuettel and Romain Francois
66
//
77
// This file is part of Rcpp.
88
//
@@ -22,12 +22,6 @@
2222
#ifndef Rcpp__sugar__complex_h
2323
#define Rcpp__sugar__complex_h
2424

25-
#ifdef HAVE_HYPOT
26-
# define RCPP_HYPOT ::hypot
27-
#else
28-
# define RCPP_HYPOT ::Rf_pythag
29-
#endif
30-
3125
namespace Rcpp{
3226
namespace sugar{
3327

@@ -60,89 +54,89 @@ class SugarComplex : public Rcpp::VectorBase<
6054

6155
namespace internal{
6256
inline double complex__Re( Rcomplex x){ return x.r ; }
63-
inline double complex__Im( Rcomplex x){ return x.i ; }
64-
inline double complex__Mod( Rcomplex x){ return ::sqrt( x.i * x.i + x.r * x.r) ; }
65-
inline Rcomplex complex__Conj( Rcomplex x){
66-
Rcomplex y ;
67-
y.r = x.r;
68-
y.i = -x.i ;
69-
return y ;
70-
}
71-
inline double complex__Arg( Rcomplex x ){ return ::atan2(x.i, x.r); }
72-
// TODO: this does not use HAVE_C99_COMPLEX as in R, perhaps it should
73-
inline Rcomplex complex__exp( Rcomplex x){
74-
Rcomplex y ;
75-
double expx = ::exp(x.r);
76-
y.r = expx * ::cos(x.i);
77-
y.i = expx * ::sin(x.i);
78-
return y ;
79-
}
80-
inline Rcomplex complex__log( Rcomplex x){
81-
Rcomplex y ;
82-
y.i = ::atan2(x.i, x.r);
83-
y.r = ::log( RCPP_HYPOT( x.r, x.i ) );
84-
return y ;
85-
}
86-
inline Rcomplex complex__sqrt(Rcomplex z){
87-
Rcomplex r ;
88-
double mag;
57+
inline double complex__Im( Rcomplex x){ return x.i ; }
58+
inline double complex__Mod( Rcomplex x){ return ::sqrt( x.i * x.i + x.r * x.r) ; }
59+
inline Rcomplex complex__Conj( Rcomplex x){
60+
Rcomplex y ;
61+
y.r = x.r;
62+
y.i = -x.i ;
63+
return y ;
64+
}
65+
inline double complex__Arg( Rcomplex x ){ return ::atan2(x.i, x.r); }
66+
// TODO: this does not use HAVE_C99_COMPLEX as in R, perhaps it should
67+
inline Rcomplex complex__exp( Rcomplex x){
68+
Rcomplex y ;
69+
double expx = ::exp(x.r);
70+
y.r = expx * ::cos(x.i);
71+
y.i = expx * ::sin(x.i);
72+
return y ;
73+
}
74+
inline Rcomplex complex__log( Rcomplex x){
75+
Rcomplex y ;
76+
y.i = ::atan2(x.i, x.r);
77+
y.r = ::log(::hypot(x.r, x.i));
78+
return y ;
79+
}
80+
inline Rcomplex complex__sqrt(Rcomplex z){
81+
Rcomplex r ;
82+
double mag;
8983

90-
if( (mag = RCPP_HYPOT(z.r, z.i)) == 0.0)
91-
r.r = r.i = 0.0;
92-
else if(z.r > 0) {
93-
r.r = ::sqrt(0.5 * (mag + z.r) );
94-
r.i = z.i / r.r / 2;
95-
}
96-
else {
97-
r.i = ::sqrt(0.5 * (mag - z.r) );
98-
if(z.i < 0)
99-
r.i = - r.i;
100-
r.r = z.i / r.i / 2;
101-
}
102-
return r ;
103-
}
104-
inline Rcomplex complex__cos(Rcomplex z){
105-
Rcomplex r ;
106-
r.r = ::cos(z.r) * ::cosh(z.i);
107-
r.i = - ::sin(z.r) * ::sinh(z.i);
108-
return r ;
109-
}
110-
inline Rcomplex complex__cosh(Rcomplex z){
111-
Rcomplex r;
112-
r.r = ::cos(-z.i) * ::cosh( z.r);
113-
r.i = - ::sin(-z.i) * ::sinh(z.r);
114-
return r ;
115-
}
116-
inline Rcomplex complex__sin(Rcomplex z){
117-
Rcomplex r ;
118-
r.r = ::sin(z.r) * ::cosh(z.i);
119-
r.i = ::cos(z.r) * ::sinh(z.i);
120-
return r;
121-
}
122-
inline Rcomplex complex__tan(Rcomplex z){
123-
Rcomplex r ;
124-
double x2, y2, den;
125-
x2 = 2.0 * z.r;
126-
y2 = 2.0 * z.i;
127-
den = ::cos(x2) + ::cosh(y2);
128-
r.r = ::sin(x2)/den;
129-
/* any threshold between -log(DBL_EPSILON)
130-
and log(DBL_XMAX) will do*/
131-
if (ISNAN(y2) || ::fabs(y2) < 50.0)
132-
r.i = ::sinh(y2)/den;
133-
else
134-
r.i = (y2 <0 ? -1.0 : 1.0);
135-
return r ;
136-
}
84+
if( (mag = ::hypot(z.r, z.i)) == 0.0)
85+
r.r = r.i = 0.0;
86+
else if(z.r > 0) {
87+
r.r = ::sqrt(0.5 * (mag + z.r) );
88+
r.i = z.i / r.r / 2;
89+
}
90+
else {
91+
r.i = ::sqrt(0.5 * (mag - z.r) );
92+
if(z.i < 0)
93+
r.i = - r.i;
94+
r.r = z.i / r.i / 2;
95+
}
96+
return r ;
97+
}
98+
inline Rcomplex complex__cos(Rcomplex z){
99+
Rcomplex r ;
100+
r.r = ::cos(z.r) * ::cosh(z.i);
101+
r.i = - ::sin(z.r) * ::sinh(z.i);
102+
return r ;
103+
}
104+
inline Rcomplex complex__cosh(Rcomplex z){
105+
Rcomplex r;
106+
r.r = ::cos(-z.i) * ::cosh( z.r);
107+
r.i = - ::sin(-z.i) * ::sinh(z.r);
108+
return r ;
109+
}
110+
inline Rcomplex complex__sin(Rcomplex z){
111+
Rcomplex r ;
112+
r.r = ::sin(z.r) * ::cosh(z.i);
113+
r.i = ::cos(z.r) * ::sinh(z.i);
114+
return r;
115+
}
116+
inline Rcomplex complex__tan(Rcomplex z){
117+
Rcomplex r ;
118+
double x2, y2, den;
119+
x2 = 2.0 * z.r;
120+
y2 = 2.0 * z.i;
121+
den = ::cos(x2) + ::cosh(y2);
122+
r.r = ::sin(x2)/den;
123+
/* any threshold between -log(DBL_EPSILON)
124+
and log(DBL_XMAX) will do*/
125+
if (ISNAN(y2) || ::fabs(y2) < 50.0)
126+
r.i = ::sinh(y2)/den;
127+
else
128+
r.i = (y2 <0 ? -1.0 : 1.0);
129+
return r ;
130+
}
137131

138132
inline Rcomplex complex__asin(Rcomplex z)
139133
{
140134
Rcomplex r ;
141135
double alpha, bet, t1, t2, x, y;
142136
x = z.r;
143137
y = z.i;
144-
t1 = 0.5 * RCPP_HYPOT(x + 1, y);
145-
t2 = 0.5 * RCPP_HYPOT(x - 1, y);
138+
t1 = 0.5 * ::hypot(x + 1, y);
139+
t2 = 0.5 * ::hypot(x - 1, y);
146140
alpha = t1 + t2;
147141
bet = t1 - t2;
148142
r.r = ::asin(bet);
@@ -159,13 +153,13 @@ inline Rcomplex complex__acos(Rcomplex z)
159153
return r ;
160154
}
161155

162-
/* Complex Arctangent Function */
163-
/* Equation (4.4.39) Abramowitz and Stegun */
164-
/* with additional terms to force the branch cuts */
165-
/* to agree with figure 4.4, p79. Continuity */
166-
/* on the branch cuts (pure imaginary axis; x==0, |y|>1) */
167-
/* is standard: z_asin() is continuous from the right */
168-
/* if y >= 1, and continuous from the left if y <= -1. */
156+
/* Complex Arctangent Function */
157+
/* Equation (4.4.39) Abramowitz and Stegun */
158+
/* with additional terms to force the branch cuts */
159+
/* to agree with figure 4.4, p79. Continuity */
160+
/* on the branch cuts (pure imaginary axis; x==0, |y|>1) */
161+
/* is standard: z_asin() is continuous from the right */
162+
/* if y >= 1, and continuous from the left if y <= -1. */
169163

170164
inline Rcomplex complex__atan(Rcomplex z)
171165
{
@@ -175,7 +169,7 @@ inline Rcomplex complex__atan(Rcomplex z)
175169
y = z.i;
176170
r.r = 0.5 * ::atan(2 * x / ( 1 - x * x - y * y));
177171
r.i = 0.25 * ::log((x * x + (y + 1) * (y + 1)) /
178-
(x * x + (y - 1) * (y - 1)));
172+
(x * x + (y - 1) * (y - 1)));
179173
if(x*x + y*y > 1) {
180174
r.r += M_PI_2;
181175
if(x < 0 || (x == 0 && y < 0)) r.r -= M_PI;
@@ -184,32 +178,32 @@ inline Rcomplex complex__atan(Rcomplex z)
184178
}
185179

186180

187-
inline Rcomplex complex__acosh(Rcomplex z){
188-
Rcomplex r, a = complex__acos(z);
189-
r.r = -a.i;
190-
r.i = a.r;
191-
return r ;
192-
}
181+
inline Rcomplex complex__acosh(Rcomplex z){
182+
Rcomplex r, a = complex__acos(z);
183+
r.r = -a.i;
184+
r.i = a.r;
185+
return r ;
186+
}
193187

194-
inline Rcomplex complex__asinh(Rcomplex z){
195-
Rcomplex r, b;
196-
b.r = -z.i;
197-
b.i = z.r;
198-
Rcomplex a = complex__asin(b);
199-
r.r = a.i;
200-
r.i = -a.r;
201-
return r ;
202-
}
188+
inline Rcomplex complex__asinh(Rcomplex z){
189+
Rcomplex r, b;
190+
b.r = -z.i;
191+
b.i = z.r;
192+
Rcomplex a = complex__asin(b);
193+
r.r = a.i;
194+
r.i = -a.r;
195+
return r ;
196+
}
203197

204-
inline Rcomplex complex__atanh(Rcomplex z){
205-
Rcomplex r, b;
206-
b.r = -z.i;
207-
b.i = z.r;
208-
Rcomplex a = complex__atan(b);
209-
r.r = a.i;
210-
r.i = -a.r;
211-
return r ;
212-
}
198+
inline Rcomplex complex__atanh(Rcomplex z){
199+
Rcomplex r, b;
200+
b.r = -z.i;
201+
b.i = z.r;
202+
Rcomplex a = complex__atan(b);
203+
r.r = a.i;
204+
r.i = -a.r;
205+
return r ;
206+
}
213207
inline Rcomplex complex__sinh(Rcomplex z)
214208
{
215209
Rcomplex r, b;
@@ -232,20 +226,15 @@ inline Rcomplex complex__tanh(Rcomplex z)
232226
return r ;
233227
}
234228

235-
236-
237229
} // internal
238230

239-
#define RCPP_SUGAR_COMPLEX(__NAME__,__OUT__) \
240-
template <bool NA, typename T> \
241-
inline sugar::SugarComplex<NA,__OUT__,T, __OUT__ (*)(Rcomplex) > \
242-
__NAME__( \
243-
const VectorBase<CPLXSXP,NA,T>& t \
244-
){ \
245-
return sugar::SugarComplex<NA,__OUT__,T, __OUT__ (*)(Rcomplex) >( \
246-
internal::complex__##__NAME__, t \
247-
) ; \
248-
}
231+
#define RCPP_SUGAR_COMPLEX(__NAME__,__OUT__) \
232+
template <bool NA, typename T> \
233+
inline sugar::SugarComplex<NA,__OUT__,T, __OUT__ (*)(Rcomplex) > \
234+
__NAME__(const VectorBase<CPLXSXP,NA,T>& t) { \
235+
return sugar::SugarComplex<NA,__OUT__,T, __OUT__ (*)(Rcomplex) >( \
236+
internal::complex__##__NAME__, t); \
237+
}
249238

250239
RCPP_SUGAR_COMPLEX( Re, double )
251240
RCPP_SUGAR_COMPLEX( Im, double )

‎inst/include/Rcpp/sugar/undoRmath.h

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -107,7 +107,7 @@
107107
#undef pt
108108
#undef ptukey
109109
#undef punif
110-
#undef pythag
110+
/* #undef pythag */
111111
#undef pweibull
112112
#undef pwilcox
113113
#undef qbeta

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