On 07/30/2017 07:45 PM, Martin Storsjö wrote: > On arm (unless --enable-experimental=softmath is set), we pass > sin/cos function calls straight through to msvcrt. We normally > provide implementations of the sincos family of functions, that > provide both return values at once. Provide implementations of > these functions that simply call the sin/cos functions.
Looks OK to me.
> ---
> mingw-w64-crt/Makefile.am | 2 +-
> mingw-w64-crt/math/arm/sincos.c | 29 +++++++++++++++++++++++++++++
> 2 files changed, 30 insertions(+), 1 deletion(-)
> create mode 100644 mingw-w64-crt/math/arm/sincos.c
>
> diff --git a/mingw-w64-crt/Makefile.am b/mingw-w64-crt/Makefile.am
> index 83dbdf6..549b4a9 100644
> --- a/mingw-w64-crt/Makefile.am
> +++ b/mingw-w64-crt/Makefile.am
> @@ -351,7 +351,7 @@ src_libmingwexarm32=\
> math/softmath/sinf.c math/softmath/sinl.c math/softmath/tanf.c
> math/softmath/tanl.c
> else
> src_libmingwexarm32=\
> - math/arm/exp2.c math/arm/log2.c math/arm/scalbn.c
> + math/arm/exp2.c math/arm/log2.c math/arm/scalbn.c
> math/arm/sincos.c
> endif
>
>
> diff --git a/mingw-w64-crt/math/arm/sincos.c b/mingw-w64-crt/math/arm/sincos.c
> new file mode 100644
> index 0000000..3bb86ee
> --- /dev/null
> +++ b/mingw-w64-crt/math/arm/sincos.c
> @@ -0,0 +1,29 @@
> +/**
> + * This file has no copyright assigned and is placed in the Public Domain.
> + * This file is part of the mingw-w64 runtime package.
> + * No warranty is given; refer to the file DISCLAIMER.PD within this package.
> + */
> +
> +#include <math.h>
> +
> +void sincos (double __x, double *p_sin, double *p_cos)
> +{
> + *p_sin = sin(__x);
> + *p_cos = cos(__x);
> +}
> +
> +void sincosf (float __x, float *p_sin, float *p_cos)
> +{
> + *p_sin = sinf(__x);
> + *p_cos = cosf(__x);
> +}
> +
> +void sincosl (long double __x, long double *p_sin, long double *p_cos)
> +{
> +#if defined(__arm__) || defined(_ARM_)
> + *p_sin = sin(__x);
> + *p_cos = cos(__x);
> +#else
> +#error Not supported on your platform yet
> +#endif
> +}
>
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