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authorjacksonmj <mj-pt@jacksonmj.co.uk>2011-07-14 21:16:11 (GMT)
committer Simon Robertshaw <simon@hardwired.org.uk>2011-08-06 10:13:22 (GMT)
commit788b0cd04ce08b1a0d05d4ecd3cc0b8cfdd616c3 (patch)
treeb48c95c502e321b84ba30ce554947143310fcef8 /includes/air.h
parentd20c704d88df23bf1355b4d5350698e5e47e6dc7 (diff)
downloadpowder-788b0cd04ce08b1a0d05d4ecd3cc0b8cfdd616c3.zip
powder-788b0cd04ce08b1a0d05d4ecd3cc0b8cfdd616c3.tar.gz
Calculate Newtonian gravity using fast Fourier transforms
About 16% slower for one cell changing, same speed for 6 cells changing, and several hundred times faster for whole screen changing.
Diffstat (limited to 'includes/air.h')
-rw-r--r--includes/air.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/includes/air.h b/includes/air.h
index b1dc819..0f37310 100644
--- a/includes/air.h
+++ b/includes/air.h
@@ -41,6 +41,11 @@ void update_airh(void);
void update_grav(void);
+#ifdef GRAVFFT
+void grav_fft_init();
+void grav_fft_cleanup();
+#endif
+
void update_air(void);
#endif