6e5cb299dd
Basically, `devtools/reduce-includes.sh */*.c`. Build time from make clean (RUST=0) (includes building external libs): Before: real 0m38.944000-40.416000(40.1131+/-0.4)s user 3m6.790000-17.159000(15.0571+/-2.8)s sys 0m35.304000-37.336000(36.8942+/-0.57)s After: real 0m37.872000-39.974000(39.5466+/-0.59)s user 3m1.211000-14.968000(12.4556+/-3.9)s sys 0m35.008000-36.830000(36.4143+/-0.5)s Build time after touch config.vars (RUST=0): Before: real 0m19.831000-21.862000(21.5528+/-0.58)s user 2m15.361000-30.731000(28.4798+/-4.4)s sys 0m21.056000-22.339000(22.0346+/-0.35)s After: real 0m18.384000-21.307000(20.8605+/-0.92)s user 2m5.585000-26.843000(23.6017+/-6.7)s sys 0m19.650000-22.003000(21.4943+/-0.69)s Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* Simple tool to convert to/from our internal fp16 representation */
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#include "config.h"
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#include <ccan/opt/opt.h>
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#include <common/fp16.h>
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#include <common/setup.h>
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#include <inttypes.h>
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#include <stdio.h>
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int main(int argc, char *argv[])
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{
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fp16_t fp16val;
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u64 u64min, u64max;
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char *endp;
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common_setup(argv[0]);
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opt_register_noarg("-h|--help", opt_usage_and_exit,
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"[fp16:val|value]\n"
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"Converts to/from fp16, indicates ranges",
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"Get usage information");
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opt_parse(&argc, argv, opt_log_stderr_exit);
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if (argc != 2)
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opt_usage_exit_fail("Expect 1 argument");
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if (strstarts(argv[1], "fp16:"))
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fp16val = strtoul(argv[1] + 5, &endp, 0);
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else
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fp16val = u64_to_fp16(strtoul(argv[1], &endp, 0), false);
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if (*endp)
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opt_usage_exit_fail("Expect valid number");
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u64min = u64max = fp16_to_u64(fp16val);
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while (u64_to_fp16(u64min-1, false) == fp16val)
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u64min--;
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while (u64_to_fp16(u64max+1, false) == fp16val)
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u64max++;
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printf("fp16:0x%x\n"
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"min %"PRIu64"\n"
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"max %"PRIu64"\n",
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fp16val, u64min, u64max);
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common_shutdown();
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}
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