/** casts between bit-precise integers and float

    width: 2, 4, 6, 7, 8, 9, 15, 16, 17, 24, 32, 33, 40, 48, 63, 64, 65
    sign: unsigned, signed
*/

#include <testfwk.h>

#include <float.h>

// clang 11 supports bit-precise types, but deviates a bit from C23.
#if __clang_major__ == 11
#define __SDCC_BITINT_MAXWIDTH 128
#define _BitInt _ExtInt
#endif

// Remaining part of bug: does not compile for width > 32.
#if __SDCC_BITINT_MAXWIDTH >= {width} && 32 >= {width} // TODO: When we can regression-test in --std-c23 mode, use the standard macro from limits.h instead!

typedef {sign} _BitInt({width}) bitinttype;

bitinttype from_float(float f)
{
	return(f);
}
#endif

void testCast (void)
{
#if __SDCC_BITINT_MAXWIDTH >= {width} && 32 >= {width} // TODO: When we can regression-test in --std-c23 mode, use the standard macro from limits.h instead!
	float f;

	f = 1;
#if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Reming part of bug: fails for pdk14, pdk15.
	ASSERT (from_float (f) == (bitinttype)f);
#endif
#endif
}