20 lines
418 B
Diff
20 lines
418 B
Diff
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diff --git a/source/dft/functionals.h b/source/dft/functionals.h
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index fde49ba..f7a61fc 100644
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--- a/source/dft/functionals.h
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+++ b/source/dft/functionals.h
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@@ -59,6 +59,14 @@
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#define EXTERN_C
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#endif
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+#ifndef M_PI
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+#define M_PI 3.14159265358979323846
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+#endif
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+
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+#ifndef M_SQRT2
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+#define M_SQRT2 1.41421356237309504880
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+#endif
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+
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typedef ergo_real real;
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#if defined(FUNC_PRECISION) && FUNC_PRECISION == 1
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