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I try the following example:
printf("%9.1a",4488.09); //Only one digits has to be printed after digital point
The binary representation of 4488.09 == 1 0001 1000 1000.0001011100001010001111010111000010100011110101
should become 0x1.1p+12or 0x1.2p+12 ?
I cant undrstand if the round operation (while printing) has to be performed for the binary representation or for the 1.18+13 representation?And if it should perform ceil() – the 8 is exactly in the middle of the hexadecimal range…
Binary can always be converted to decimal without a loss, unless you restrict the number of decimal digits to a too small number. If the mantissa value is something like 1.188170A3D70A4 and you restrict printf() to only 1 fractional digit, you should get 1.2 printed for the mantissa. If you restrict it to 2 fractional digits, you should get 1.19. If 3, then 1.188. If 4, then 1.1881. And so on.