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12e670a51413d8e84df29859cabecd09dc68abeb blob 349 bytes (raw)
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#include <math.h>

#if __riscv_flen >= 64

double round(double x)
{
	if (isnan(x)) return x;
	if (x == INFINITY || x == -INFINITY) return x;
	double tmp;
	long long n;
	__asm__ ("fcvt.l.d %0, %1, rmm" : "=r"(n) : "f"(x));
	__asm__ ("fcvt.d.l %0, %1" : "=f"(tmp) : "r"(n));
	x = copysign(tmp, x);		
	return x;
}

#else

#include "../round.c"

#endif

debug log:
solving 12e670a5 ...
found 12e670a5 in https://inbox.vuxu.org/musl/20240612090018.258573-2-mzh@mzh.io/

applying [1/1] https://inbox.vuxu.org/musl/20240612090018.258573-2-mzh@mzh.io/
diff --git a/src/math/riscv64/round.c b/src/math/riscv64/round.c
new file mode 100644
index 00000000..12e670a5

1:19: trailing whitespace.
	x = copysign(tmp, x);		
Checking patch src/math/riscv64/round.c...
Applied patch src/math/riscv64/round.c cleanly.
warning: 1 line adds whitespace errors.

index at:
100644 12e670a51413d8e84df29859cabecd09dc68abeb	src/math/riscv64/round.c

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