swohler | Open Source Tools for Renesas

swohler

swohler

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7 年, 9 ヶ月, 26 日のメンバー
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Last seen 2月 7, 2020

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6月 24, 2016 Commented Some more information. We are using e2Studio, but the project uses an external Makefile. The linker is linking against optlib, but in e2Studio, the built in includes are pointing to: /rx-elf/rx-elf/lib/gcc/rx-elf/4.8-GNURX_v15.02/include /rx-elf/rx-elf/lib/gcc/rx-elf/4.8-GNURX_v15.02/include-fixed /rx-elf/rx-elf/rx-elf/include I don't see the option you highlighted above anywhere: Project Properties -> Library Generator -> Settings -> Select library (newlib/optimized).

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6月 24, 2016 Commented __RAND_MAX is the same value. I 00000000 :316: RAND_MAX = 2147483647 I 00000000 :317: __RAND_MAX = 2147483647

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6月 24, 2016 Commented I just confirmed that we are linking against optlib, however if I print out the value of RAND_MAX at the beginning of the application, the value is RAND_MAX = 2147483647. This implies that the rand() function isn't using RAND_MAX to determine the max value, but something else. Perhaps __RAND_MAX?

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6月 24, 2016 Commented We were under the impression that we are using newlib. What makes the determination about which library is built and being used?

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6月 24, 2016 Asked Why does rand() return (max) 32767 when RAND_MAX is defined as 0x7fffffff?

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0 6月 27, 2016 1 回答

Why does rand() return (max) 32767 when RAND_MAX is defined as 0x7fffffff?

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