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1.1 ! root 1: ! 2: ! 3: log() Mathematics Function log() ! 4: ! 5: ! 6: ! 7: ! 8: Compute natural logarithm ! 9: ! 10: #include <math.h> ! 11: ddoouubbllee lloogg(_z) ddoouubbllee _z; ! 12: ! 13: lloogg returns the natural (base e) logarithm of its argument _z. ! 14: ! 15: ***** Example ***** ! 16: ! 17: For an example of this function, see the entry for exp. ! 18: ! 19: ***** See Also ***** ! 20: ! 21: log10(), mathematics library ! 22: ! 23: ***** Diagnostics ***** ! 24: ! 25: A domain error in lloogg (_z is less than or equal to zero) sets eerr- ! 26: rrnnoo to EEDDOOMM and returns zero. ! 27: ! 28: ! 29: ! 30: ! 31: ! 32: ! 33: ! 34: ! 35: ! 36: ! 37: ! 38: ! 39: ! 40: ! 41: ! 42: ! 43: ! 44: ! 45: ! 46: ! 47: ! 48: ! 49: ! 50: ! 51: ! 52: ! 53: ! 54: ! 55: ! 56: ! 57: ! 58: ! 59: ! 60: ! 61: ! 62: ! 63: ! 64: COHERENT Lexicon Page 1 ! 65: ! 66:
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