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/** 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
}
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