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Test MPFR4 specific fused multiply/add functions
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>>> import gmpy2
>>> from gmpy2 import ieee, mpz, mpq, mpfr, mpc, fmma, fmms
>>> fmma(2,3,4,5)
mpz(26)
>>> fmma(2,3,-4,5)
mpz(-14)
>>> fmma(2.0,3,-4, mpq(5))
mpfr('-14.0')
>>> fmma(2,3.0,-4,5)
mpfr('-14.0')
>>> fmma(2,3,-4.0,5)
mpfr('-14.0')
>>> fmma(2,mpfr(3),-4.0,5)
mpfr('-14.0')
>>> fmma(mpc(2),mpfr(3),-4.0,5)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: fmma() argument type not supported
>>> fmms(2,3,4,5)
mpz(-14)
>>> fmms(2,3,-4,5)
mpz(26)
>>> ieee(128).fmma(7,1/7,-1,3/11)
mpfr('0.727272727272727237401994671017746441',113)
>>> ieee(128).fmma(7,mpq(1,7),-1,mpq(3,11))
mpq(8,11)
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