| 1 | /* Measure strtod implementation. |
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| 2 | Copyright (C) 2013-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #define TEST_MAIN |
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| 20 | #define TEST_NAME "strtod" |
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| 21 | |
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| 22 | #include <stdio.h> |
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| 23 | #include <stdlib.h> |
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| 24 | #include "bench-timing.h" |
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| 25 | |
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| 26 | #undef INNER_LOOP_ITERS |
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| 27 | #define INNER_LOOP_ITERS 131072 |
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| 28 | |
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| 29 | static const char *inputs[] = |
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| 30 | { |
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| 31 | "1e308" , |
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| 32 | "100000000e300" , |
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| 33 | "0x1p1023" , |
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| 34 | "0x1000p1011" , |
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| 35 | "0x1p1020" , |
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| 36 | "0x0.00001p1040" "1e-307" , |
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| 37 | "0.000001e-301" , |
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| 38 | "0.0000001e-300" , |
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| 39 | "0.00000001e-299" , |
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| 40 | "1000000e-313" , |
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| 41 | "10000000e-314" , |
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| 42 | "100000000e-315" , |
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| 43 | "0x1p-1021" , |
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| 44 | "0x1000p-1033" , |
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| 45 | "0x10000p-1037" , |
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| 46 | "0x0.001p-1009" , |
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| 47 | "0x0.0001p-1005" , |
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| 48 | "12.345" , |
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| 49 | "12.345e19" , |
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| 50 | "-.1e+9" , |
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| 51 | ".125" , |
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| 52 | "1e20" , |
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| 53 | "0e-19" , |
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| 54 | "4\00012" , |
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| 55 | "5.9e-76" , |
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| 56 | "0x1.4p+3" , |
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| 57 | "0xAp0" , |
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| 58 | "0x0Ap0" , |
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| 59 | "0x0A" , |
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| 60 | "0xA0" , |
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| 61 | "0x0.A0p8" , |
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| 62 | "0x0.50p9" , |
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| 63 | "0x0.28p10" , |
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| 64 | "0x0.14p11" , |
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| 65 | "0x0.0A0p12" , |
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| 66 | "0x0.050p13" , |
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| 67 | "0x0.028p14" , |
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| 68 | "0x0.014p15" , |
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| 69 | "0x00.00A0p16" , |
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| 70 | "0x00.0050p17" , |
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| 71 | "0x00.0028p18" , |
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| 72 | "0x00.0014p19" , |
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| 73 | "0x1p-1023" , |
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| 74 | "0x0.8p-1022" , |
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| 75 | "Inf" , |
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| 76 | "-Inf" , |
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| 77 | "+InFiNiTy" , |
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| 78 | "0x80000Ap-23" , |
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| 79 | "1e-324" , |
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| 80 | "0x100000000000008p0" , |
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| 81 | "0x100000000000008.p0" , |
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| 82 | "0x100000000000008.00p0" , |
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| 83 | "0x10000000000000800p0" , |
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| 84 | "0x10000000000000801p0" , |
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| 85 | NULL |
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| 86 | }; |
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| 87 | |
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| 88 | int |
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| 89 | do_bench (void) |
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| 90 | { |
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| 91 | const size_t iters = INNER_LOOP_ITERS; |
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| 92 | |
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| 93 | for (size_t i = 0; inputs[i] != NULL; ++i) |
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| 94 | { |
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| 95 | char *ep; |
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| 96 | timing_t start, stop, cur; |
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| 97 | |
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| 98 | printf (format: "Input %-24s:" , inputs[i]); |
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| 99 | TIMING_NOW (start); |
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| 100 | for (size_t j = 0; j < iters; ++j) |
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| 101 | strtod (inputs[i], &ep); |
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| 102 | TIMING_NOW (stop); |
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| 103 | |
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| 104 | TIMING_DIFF (cur, start, stop); |
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| 105 | TIMING_PRINT_MEAN ((double) cur, (double) iters); |
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| 106 | putchar (c: '\n'); |
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| 107 | } |
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| 108 | |
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| 109 | return 0; |
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| 110 | } |
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| 111 | |
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| 112 | #define TEST_FUNCTION do_bench () |
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| 113 | |
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| 114 | #include "../test-skeleton.c" |
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| 115 | |
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