[mathgl] 01/03: Fix build failure due to gsl 1.15 --> 1.16 upgrade

[Dimitrios Eftaxiopoulos]

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eftaxiop-guest pushed a commit to branch master
in repository mathgl.

commit 9301b2c22113c5e067d8bff3575fa30c6353e109
Author: Dimitrios Eftaxiopoulos <eftaxi12 at otenet.gr>
Date:   Sun Aug 11 21:14:58 2013 +0300

    Fix build failure due to gsl 1.15 --> 1.16 upgrade
---
 debian/patches/series            |    1 +
 debian/patches/src-fft-cpp.patch |   11 +++++++++++
 src/fft.cpp                      |    2 +-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/debian/patches/series b/debian/patches/series
index 4277de1..116b8c9 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1 +1,2 @@
+src-fft-cpp.patch
 CMakeLists-txt.patch
diff --git a/debian/patches/src-fft-cpp.patch b/debian/patches/src-fft-cpp.patch
new file mode 100644
index 0000000..bd7184f
--- /dev/null
+++ b/debian/patches/src-fft-cpp.patch
@@ -0,0 +1,11 @@
+--- a/src/fft.cpp
++++ b/src/fft.cpp
+@@ -82,7 +82,7 @@
+ void MGL_EXPORT mgl_fft(double *x, long s, long n, const void *wt, void *ws, bool inv)
+ {
+ #if MGL_HAVE_GSL
+-gsl_fft_complex_transform(x, s, n, (const gsl_fft_complex_wavetable*)wt, (gsl_fft_complex_workspace*)ws, inv?backward:forward);
++gsl_fft_complex_transform(x, s, n, (const gsl_fft_complex_wavetable*)wt, (gsl_fft_complex_workspace*)ws, inv?gsl_fft_backward:gsl_fft_forward);
+ #else	// NOTE this is VERY slow!
+ 	const double *c = (const double *)wt;
+ 	double *d = (double *)ws, f = inv?1./n:1;
diff --git a/src/fft.cpp b/src/fft.cpp
index 486154d..ba62d21 100644
--- a/src/fft.cpp
+++ b/src/fft.cpp
@@ -82,7 +82,7 @@ void MGL_EXPORT mgl_fft_free(void *wt, void **ws, long nthr)
 void MGL_EXPORT mgl_fft(double *x, long s, long n, const void *wt, void *ws, bool inv)
 {
 #if MGL_HAVE_GSL
-gsl_fft_complex_transform(x, s, n, (const gsl_fft_complex_wavetable*)wt, (gsl_fft_complex_workspace*)ws, inv?backward:forward);
+gsl_fft_complex_transform(x, s, n, (const gsl_fft_complex_wavetable*)wt, (gsl_fft_complex_workspace*)ws, inv?gsl_fft_backward:gsl_fft_forward);
 #else	// NOTE this is VERY slow!
 	const double *c = (const double *)wt;
 	double *d = (double *)ws, f = inv?1./n:1;

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